Season 1 (2009)

6.31 avg 72 episodes 6.8 → 7.6 52 min avg

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	Series Premiere: Audition 1	6.8	38
2	Audition 2	6.1	26
3	Audition 3	6.5	23
4	Top 50 Part 1	6.6	22
5	Top 50 Part 2	6.2	20
6	Top 20 Revealed	6.0	22
7	20 Ways with Chicken	5.9	23
8	Sam and the Sausage	6.5	21
9	Sushi Stress	6.1	21
10	Team Elimination	5.8	20
11	Masterclass 1: Cooking with the Masters	6.4	20
12	Invention Test	6.2	19
13	Pressure Test Elimination	6.5	19
14	Celebrity Chef Challenge 2	6.2	19
15	Seafood Banquet Team Challenge	6.1	20
16	Team Elimination 1	6.1	19
17	Masterclass 2: Class Is In	6.6	18
18	Invention Test 2	6.4	20
19	Pressure Test Elimination 2	6.2	20
20	Celebrity Chef Challenge 3	6.1	22
21	Food Critics Team Challenge	6.4	21
22	Team Elimination 2	5.8	20
23	Masterclass 3: Soufflés and Stir-fries	6.6	19
24	Invention Test 3	6.4	21
25	Pressure Test Elimination 3	6.4	20
26	Celebrity Chef Challenge 4	5.9	18
27	Royal Easter Show Team Challenge	6.1	19
28	Team Elimination 3	5.9	19
29	Masterclass 4: The Perfect Chip	6.5	18
30	Invention Test 4	6.2	18
31	Pressure Test Elimination 4	5.9	18
32	Celebrity Chef Challenge 5	6.1	18
33	Fresh Seafood Team Challenge	6.1	17
34	Team Elimination 4	6.0	17
35	Masterclass 5: Lemon Goodness	6.5	17
36	Invention: Test 5	6.3	18
37	Pressure Test Elimination 5	6.1	18
38	Celebrity Chef Challenge 6	5.9	18
39	Martini Club Team Challenge	6.3	18
40	Team Elimination 6	5.9	18
41	Masterclass 6: Sweet Treats	6.4	18
42	Invention: Test 6	6.2	18
43	Pressure Test Elimination 6	6.2	18
44	Celebrity Chef Challenge 7	5.9	18
45	Wedding Challenge	5.9	18
46	Taste Test Elimination	6.2	19
47	Masterclass 7: Cocktail Hour	6.4	19
48	Hong Kong: Arrival	6.4	19
49	Hong Kong: High Tea	6.2	19
50	Celebrity Chef Challenge 8	6.2	17
51	Hong Kong: Mystery Steamer Challenge	6.1	17
52	Pressure Test Elimination 8	6.1	18
53	MasterClass 8	6.9	17
54	Invention: Test 7	6.4	17
55	Dream Restaurant Challenge	6.6	18
56	Celebrity Chef Challenge 9	6.1	18
57	HMAS Kanimbla Challenge	6.6	17
58	Taste Test Elimination	6.1	17
59	Masterclass 9	7.0	17
60	Invention: Test 8	6.4	17
61	Pressure Test Elimination 9	6.4	17
62	Celebrity Chef Challenge 10	6.4	17
63	Matt Preston's Formal Dinner Challenge	6.7	18
64	Taste Test Elimination	6.4	17
65	Master Class 10	6.9	17
66	Invention: Test 9	6.5	17
67	Elimination Challenge 1	6.5	17
68	Elimination Challenge 2	6.4	18
69	Elimination Challenge 3	6.4	18
70	Elimination Challenge 4	6.3	18
71	Masterclass Reunion	6.8	20
72	Finale Night	7.6	24

Season 2 (2010)

6.66 avg 84 episodes 6.6 → 8.0 66 min avg

Season 2 episodes — IMDb ratings
#	Title	Rating	Votes
1	Series Premiere: Top 50 - Part 1	6.6	25
2	Top 50 Part 2	6.8	22
3	Top 50 Part 3	6.6	22
4	Top 50 Part 4	6.8	20
5	MasterClass 1	6.5	18
6	Top 50 Part 5	6.7	20
7	Top 24 Cooking Challenge	6.4	20
8	Celebrity Chef Challenge 1	6.3	19
9	Off Site Challenge 1	6.6	19
10	Elimination Challenge 1	6.1	19
11	MasterClass 2	6.1	17
12	Invention Test 2	6.5	18
13	Pressure Test Elimination 1	6.6	18
14	Celebrity Chef Challenge 2	6.5	18
15	Off Site Challenge 2	6.6	18
16	Elimination Challenge 2	6.5	18
17	MasterClass 3	6.7	18
18	Invention Test 3	6.5	18
19	Pressure Test Elimination 2	6.4	18
20	Celebrity Chef Challenge 3	6.2	18
21	Off Site Challenge 3	6.5	18
22	Elimination Challenge 3	6.2	18
23	MasterClass 4	6.3	17
24	Invention Test 4	6.7	18
25	Pressure Test Elimination 3	6.6	18
26	Celebrity Chef Challenge 4	6.2	18
27	Off Site Challenge 4	6.5	18
28	Elimination Challenge 4	6.6	18
29	MasterClass 5	6.6	17
30	Invention Test 5	6.8	18
31	Pressure Test Elimination 4	6.5	18
32	Celebrity Chef Challenge 5	6.4	18
33	Off Site Challenge 5	6.8	19
34	Elimination Challenge 5	6.4	18
35	MasterClass 6	6.3	17
36	Invention Test 6	6.5	18
37	Pressure Test Elimination 5	6.8	18
38	Celebrity Chef Challenge 6	6.4	18
39	Off Site Challenge 6	6.5	18
40	Elimination Challenge 6	6.2	19
41	MasterClass 7	6.1	16
42	Invention Test 7	7.0	17
43	Pressure Test Elimination 6	7.2	18
44	Celebrity Chef Challenge 7	6.8	17
45	Off Site Challenge 7	6.8	17
46	Elimination Challenge 7	6.9	17
47	MasterClass 8	6.6	14
48	Invention Test 8	6.8	18
49	Pressure Test Elimination 7	7.0	18
50	Celebrity Chef Challenge 8	6.7	18
51	Off Site Challenge 8	6.9	18
52	Elimination Challenge 8	6.6	18
53	MasterClass 9	6.8	14
54	Invention Test 9	6.9	17
55	Pressure Test 8	6.9	17
56	Celebrity Chef Challenge 9	6.8	17
57	Super Challenge	6.8	18
58	Elimination Challenge 9	6.9	18
59	MasterClass 10	6.4	15
60	Elimination Challenge 10	6.5	17
61	Elimination Challenge 11	6.7	18
62	Celebrity Chef Challenge 10	6.8	17
63	Off Site Challenge 9	6.6	17
64	Elimination Challenge 12	6.7	16
65	MasterClass 11	6.8	13
66	Invention Test 10	6.9	16
67	Pressure Test Elimination 9	6.1	17
68	Celebrity Chef Challenge 11	6.5	14
69	Off Site Challenge 10	6.8	15
70	Elimination Challenge 13	6.7	16
71	MasterClass 12	6.6	12
72	Invention Test 11	6.7	15
73	Pressure Test Elimination 10	6.7	15
74	Celebrity Chef Challenge 12	6.8	15
75	Signature Dish Challenge	7.4	15
76	Elimination Challenge 14	7.1	15
77	MasterClass 13	6.5	12
78	Invention Test 12	7.1	15
79	Finals Week Elimination 1	6.9	16
80	Finals Week Elimination 2	7.1	15
81	Finals Week Elimination 3	7.0	15
82	Finals Week Elimination 4	7.0	15
83	MasterClass Reunion	7.1	14
84	Finale Night	8.0	16

Season 3 (2011)

6.73 avg 86 episodes 7.5 → 7.8 45 min avg

Season 3 episodes — IMDb ratings
#	Title	Rating	Votes
1	Series Premiere: Top 50 Part 1	7.5	23
2	Top 50: Part 2	7.4	21
3	Top 50: Part 3	7.2	23
4	Top 50: Part 4	7.0	20
5	Castaway Cook-Off	6.9	18
6	MasterClass 1	6.9	18
7	The Final Test	6.7	17
8	The First Day	6.5	17
9	Immunity Challenge 1	6.5	18
10	The Big Bake-Off	6.9	18
11	Elimination Day	6.6	17
12	MasterClass 2	6.3	14
13	Mystery Box Challenge 1	6.6	16
14	Pressure Test 1	6.2	16
15	Immunity Challenge 2	5.8	15
16	Team Challenge	6.4	16
17	Elimination Day	6.6	16
18	MasterClass 3	6.0	13
19	Mystery Box Challenge 2	6.8	15
20	Pressure Test 2	6.6	15
21	Immunity Challenge 3	6.6	14
22	Team Challenge 2	6.8	14
23	Elimination Day	6.9	15
24	MasterClass 4	6.9	14
25	Team Challenge 3	7.0	16
26	Invention Test 2	7.0	15
27	Immunity Challenge 4	6.5	15
28	Tinned and Frozen Challenge	6.7	15
29	Elimination Challenge 2	6.9	15
30	MasterClass 5	6.6	12
31	Invention Test 3	6.8	16
32	Pressure Test 3	6.5	15
33	Immunity Challenge 5	6.3	15
34	Team Challenge 4	6.7	15
35	Elimination Challenge 3	6.7	15
36	MasterClass 6	6.3	13
37	Qantas Fine Dining Challenge	7.1	16
38	Elimination Challenge 4	6.6	16
39	Immunity Challenge 6	6.5	15
40	Team Challenge 5	6.8	15
41	Elimination Challenge 5	6.5	15
42	MasterClass 7	6.5	12
43	Mystery Box Challenge 3	7.1	16
44	Pressure Test 5	6.7	16
45	Immunity Challenge 7	6.7	15
46	Westfield Team Challenge	6.8	15
47	Elimination Challenge 7	6.9	16
48	MasterClass 8	6.5	13
49	Moran Farm Challenge	6.8	15
50	Pressure Test 6	6.8	15
51	Immunity Challenge 8	6.5	15
52	Two Briefs Team Challenge	6.6	16
53	Blind Taste Test	6.4	15
54	MasterClass 9	6.3	12
55	Mystery Box Challenge 4	6.7	15
56	Pressure Test 7	6.8	15
57	Immunity Challenge 9	6.3	16
58	Marco Pierre White Challenge	6.8	15
59	Elimination Challenge 8	6.6	15
60	MasterClass 10	6.5	12
61	New York Boroughs Challenge	7.2	17
62	United Nations Challenge	7.1	17
63	Immunity Challenge 10	6.9	16
64	New York Team Challenge	7.1	16
65	Elimination Challenge 9	6.6	15
66	MasterClass 11	6.5	11
67	Dalai Lama Challenge	6.4	15
68	Pressure Test 9	6.5	14
69	Immunity Challenge 11	6.2	15
70	Qantas First Lounge Challenge	7.1	14
71	Elimination Challenge 10	7.0	15
72	MasterClass 12	6.3	11
73	Mystery Box Challenge 5	6.8	14
74	Cooking for Loved Ones Challenge	7.1	16
75	Immunity Challenge 12	6.6	16
76	Worst Nightmare Challenge	6.7	10
77	Elimination Challenge 12	6.6	10
78	MasterClass 13	6.6	8
79	Sunday Challenge 12	7.2	10
80	Pressure Test 9	6.9	10
81	Elimination Challenge 13	6.9	10
82	Three Hat Challenge	7.0	10
83	Pressure Test 10	6.9	10
84	MasterClass 14	7.1	8
85	Grand Finale	7.2	7
86	The Winner Announced	7.8	8

Season 4 (2012)

6.34 avg 71 episodes 6.9 → 7.6 64 min avg

Season 4 episodes — IMDb ratings
#	Title	Rating	Votes
0	Where Are They Now?	6.9	12
1	Auditions	6.0	15
2	Top 50: Mystery Box	6.7	14
3	Top 50: Mornington Peninsula Challenge	6.4	14
4	Top 50: Salmon Challenge	6.5	14
5	Top 50: Pressure Test	6.4	14
6	Masterclass 1	5.5	11
7	Top 50: Elimination Challenge - French Cuisine	6.5	14
8	Top 24: Mystery Box	6.3	14
9	Immunity Challenge: Dan Hong	6.5	15
10	Offsite Challenge: King's Cross	6.5	14
11	Elimination Challenge: Pasta	6.9	15
12	Masterclass 2	6.0	11
13	Mystery Box: Have a Crack at It & Invention Test: The Perfect Sandwich	6.6	14
14	Pressure Test: Peter Gilmore	6.4	14
15	Immunity Challenge: 3 Blue Ducks	6.5	14
16	Offsite Challenge: Yum Cha	6.3	14
17	Elimination Challenge: Tagine	6.4	14
18	Masterclass 3	5.8	11
19	Mystery Box: Biscuits & Invention Test: Mexican	6.4	14
20	Pressure Test: Maggie Beer	6.2	14
21	Immunity Challenge: Shaun Presland	6.0	14
22	Offsite Challenge: Leftovers	6.4	14
23	Elimination Challenge: Poultry	6.5	15
24	Masterclass 4	6.0	11
25	Mystery Box: Flavour Matching & Invention Test: Seduction	6.4	14
26	Offsite Challenge: Salamanca Market	6.4	14
27	Immunity Challenge: Fishing For Salmon Challenge & Philippe Leban	6.2	14
28	Offsite Challenge: Afternoon Tea	6.5	14
29	Elimination Challenge: Pub Lunch	6.9	17
30	Masterclass 5	5.9	11
31	Mystery Box & Seafood from Around the World with Rick Stein	6.6	14
32	Elimination Challenge: Greek Salad	6.1	14
33	Immunity Challenge: Jamie Oliver	6.7	16
34	Offsite Challenge: Shangri La Hotel 24-Hour Challenge	6.3	14
35	Pressure Test: Rapid Fire	6.4	14
36	Masterclass 6	5.9	11
37	Mystery Box: Masterchef Australia Winners	6.5	15
38	Pressure Test: Quiche Lorraine	6.2	16
39	Immunity Challenge: Hamish Ingham	6.3	15
40	Offsite Challenge: Hindu Wedding	6.6	17
41	Elimination Challenge: Cake	5.7	15
42	Masterclass 7	5.9	12
43	Mystery Box: Soup & Invention Test - Dude Food	6.3	16
44	Pressure Test: Christine Manfield	6.1	16
45	Immunity Challenge: Daniel Wilson	5.9	15
46	Offsite Challenge: Home Cooking	6.1	15
47	Elimination Challenge: Quick Fire Cook-Off	6.3	15
48	Masterclass 8	5.9	12
49	Invention Test: Heston Blumenthal	6.7	15
50	Pressure Test: Vincent Gadan	6.4	15
51	Immunity Challenge: Tomislav Martinovic	6.3	15
52	Team Challenge: Pop-up Restaurants	6.8	15
53	Elimination Challenge: Double Elimination	6.4	15
54	Masterclass 9	6.2	13
55	Invention Test: Rome	6.7	15
56	Immunity Challenge: Pasta & Pizza	6.2	15
57	Immunity Challenge: Antonio Carluccio	6.2	15
58	Risotto Challenge with Gualtiero Marchesi	6.3	15
59	Elimination Challenge: Feast in Monticchelo	6.2	15
60	Masterclass 10	6.0	13
61	Mystery Box: Fridge Ingredients	6.2	14
62	Pressure Test: Grant King	6.3	15
63	Elimination Challenge: Kylie Kwong	6.8	14
64	Team Challenge: Edible Centrepiece	6.3	14
65	Elimination Challenge: Dish They've Missed the Most	6.4	14
66	Masterclass 11	6.1	14
67	Finals Week: Guillaume at Bennelong	6.6	14
68	Finals Week: Perfect Sauce for a Perfect Stake	6.4	14
69	Finals Week: Signature Dishes	6.5	15
70	MasterChef 2012 Finale	7.6	18

Season 5 (2013)

6.38 avg 65 episodes 7.2 → 6.9 49 min avg

Season 5 episodes — IMDb ratings
#	Title	Rating	Votes
1	Premiere	7.2	12
2	Protein Pick Face Off Challenge	6.8	10
3	Elimination Challenge 1	6.2	12
4	MasterClass 1	6.3	8
5	Barossa Boot Camp Day 1	6.4	8
6	Barossa Boot Camp Day 2	6.6	8
7	Barossa Boot Camp Day 3	6.3	8
8	Elimination Challenge 2	6.3	8
9	MasterClass 2	6.4	8
10	Kids Week Sunday Challenge	6.2	10
11	Immunity Challenge 1	6.4	8
12	Offsite Challenge 1	6.1	8
13	Elimination Challenge 3	6.4	8
14	MasterClass 3	6.4	8
15	Offsite Challenge 2	6.1	8
16	Pressure Test 1	6.4	8
17	MasterChef Pizzeria Challenge	6.3	8
18	Elimination Challenge 4	6.3	8
19	MasterClass 4	6.4	8
20	Western Australia Team Challenge 1	6.4	11
21	Immunity Challenge 2	6.3	8
22	Western Australia Team Challenge 2	6.4	8
23	Elimination Challenge 5	6.1	8
24	MasterClass 5	6.3	8
25	Heaven & Hell Mystery Box Challenge	6.9	9
26	Elimination Challenge 6	6.1	8
27	Seven Deadly Sins Challenge	6.4	8
28	Last Supper Elimination Challenge	6.8	9
29	MasterClass 6	6.4	8
30	Fast Food Mystery Box Challenge	6.4	8
31	Elimination Challenge 8	6.4	8
32	Offsite Challenge 3: Meals on Wheels	6.1	8
33	Pressure Test 2	6.1	8
34	MasterClass 7 - Cookalong with Curtis Stone	6.1	8
35	Second Chance Challenge 1	6.3	8
36	Second Chance Challenge 2	6.3	8
37	Second Chance Challenge 3	6.4	8
38	Second Chance Challenge 4	6.7	11
39	MasterClass 8	6.4	8
40	Love Mystery Box Challenge	6.1	8
41	Pressure Test 3	6.3	8
42	Date Night Team Challenge	6.3	11
43	Elimination Challenge 9	6.3	11
44	MasterClass 9	6.3	8
45	Pressure Test 4	6.4	8
46	Immunity Challenge 3	6.3	8
47	Offsite Challenge 4	6.5	11
48	Elimination Challenge 10	6.4	8
49	Heston: Masterclass	6.4	8
50	Dubai Team Challenge	6.4	8
51	Elimination Challenge 11	6.6	8
52	Offsite Challenge 5	6.4	8
53	Elimination Challenge 12	6.4	12
54	Masterclass 11 - Paris Tour	6.3	8
55	Service Challenge	6.4	11
56	Elimination Challenge 13	6.4	8
57	Josie Bones	6.4	11
58	Elimination Challenge 14	6.4	8
59	Masterclass: Victoria	6.1	8
60	Finals Week Mystery Box Challenge	6.4	8
61	Elimination Challenge 15	6.3	8
62	Finals Week Service Challenge	6.3	12
63	Elimination Challenge 16	6.4	8
64	MasterClass 13	6.3	8
65	Grand Finale	6.9	12

Season 6 (2014)

6.81 avg 60 episodes 7.4 → 7.7 69 min avg

Rebound

Season 6 episodes — IMDb ratings
#	Title	Rating	Votes
1	Auditions Part 1	7.4	18
2	Auditions Part 2	6.9	14
3	Top 24 Mystery Box Challenge and Invention Test	7.0	15
4	Chinese Cuisine Elimination Challenge	7.0	14
5	Mystery Box Challenge and Breakfast Invention Test	7.1	15
6	Pressure Test: Shannon Bennett's Fillet of Beef	6.7	14
7	Restaurant Takeover Team Challenge	6.9	14
8	3 Dishes from One Snapper Elimination Challenge	6.9	15
9	Maggie Beer's Mystery Box Challenge and Spanish Invention Test	6.9	15
10	Pressure Test: Alla Wolf-Tasker's Rivers and Lakes	6.6	14
11	Immunity Challenge: Ollie Gould	6.6	14
12	Three-Course Team Challenge from Memory: Cutler & Co. and Ezard	7.2	14
13	Elimination + Masterclass	6.9	14
14	Press Club Mystery Box Challenge and Invention Test: Proteins or Vegetables	6.9	14
15	Pressure Test: Christy Tania's Mango Alfonso	6.9	14
16	Immunity Challenge: Benjamin Cooper	6.8	14
17	Four-Course Dessert Degustation Challenge	6.8	14
18	Blind Taste Test Elimination Challenge	6.7	14
19	Perilous Mystery Box Challenge and Invention Test	6.9	14
20	Saint Crispin Pressure Test: Sweet and Savoury	6.8	15
21	Immunity Challenge: Matt Stone	6.6	14
22	Queen Victoria Market Team Challenge	6.6	14
23	Elimination Auction + MasterClass	6.9	14
24	Invention Test: Chocolate	6.9	14
25	Nobu Pressure Test	7.1	14
26	Immunity Challenge: Jock Zonfrillo	7.7	15
27	Diamond Jubilee Wedding Anniversary Team Challenge	7.4	15
28	Elimination Challenge: Classic Dishes	6.9	14
29	Marco's Mystery Box Challenge and Italian Cuisine Invention Test	7.1	15
30	White Heat Pressure Test: Roasted Pigeon with Ravioli of Wild Mushrooms	6.9	15
31	Immunity Challenge: Donovan Cooke	6.9	15
32	Taxi Kitchen Team Challenge	6.9	15
33	Knife Block Elimination Challenge/MasterClass: Marco Pierre White, Gary Mehigan and George Calombaris	6.6	15
34	Duel Mystery Box Challenge & Team Invention Test	7.0	14
35	Pressure Test: Vikas Khanna's Rose-Tea Smoked Chicken Tikka Masala	7.1	15
36	Second Chance Cook-Off	7.2	14
37	Starlight Children's Foundation Service Challenge	6.8	14
38	Power Apron Challenge	6.9	14
39	Tracy's Mystery Box Challenge & Invention Test	6.3	9
40	Pressure Test: Croquembouche	6.1	9
41	Immunity Challenge: Jason Jones and James Viles	5.9	9
42	Farm Banquet Team Challenge	6.0	9
43	Mexican Cuisine Elimination Challenge	5.9	9
44	Barter Mystery Box Challenge & Decade Re-Invention Test	6.6	9
45	Pressure Test: Nick Palumbo's Choc Top Extraordinaire	6.2	9
46	Immunity Challenge: John Lawson	6.2	9
47	Asian Street Food Team Challenge	6.7	9
48	Cryptic Elimination Challenge	6.7	9
49	MasterChef House Pantry Challenge & Australian Food Culture Invention Test	6.7	9
50	Pressure Test: Beetroot Risotto	7.0	9
51	Heston Week: Offsite Challenge - Pub Food	6.9	14
52	Five Senses Challenge	6.9	14
53	Elimination Challenge: Deception/MasterClass: Heston Blumenthal, George Calombaris and Gary Mehigan	6.4	9
54	Finals Mystery Box Challenge & Dessert Pressure Test: "Banana Split"	6.6	9
55	No Rules Elimination	6.6	9
56	Three-Round Duel Challenge	6.9	14
57	Vue De Monde Service Challenge	6.8	9
58	Pressure Test: Martin Benn's Chocolate Forest Floor/MasterClass: Chefs vs. Contestants	6.8	10
59	Masterchef 2014 Semi Final	7.2	15
60	Grand Finale	7.7	16

Season 7 (2015)

7.45 avg 62 episodes 7.0 → 8.4 62 min avg

Big finale

Season 7 episodes — IMDb ratings
#	Title	Rating	Votes
1	Series Premiere: Auditions Part 1	7.0	23
2	Auditions Part 2	7.1	19
3	Top 24 Mystery Box Challenge	7.2	18
4	Massimo Bottura Team Challenge	7.4	19
5	Elimination Challenge	7.1	18
6	Mystery Box Challenge and Invention Test	7.3	17
7	Pressure Test: Sat Bains' Beef and Mushrooms	7.4	16
8	Immunity Challenge: Ben Williamson	7.4	16
9	Puckapunyal Team Challenge	7.4	16
10	Elimination Challenge 1	7.2	16
11	Marco's Mystery Box and Invention Test	7.2	16
12	Pressure Test: Lamb Noisettes à la Forestiere with Madeira Sauce	7.4	16
13	Immunity Challenge: Josh Pelham	7.5	16
14	Relay Team Challenge	7.8	18
15	The Fifth Judge Elimination Challenge + Masterclass	7.3	15
16	Maggie Beer's Mystery Box and Invention Test	7.3	15
17	Pressure Test: Anna Polyviou's Carrot Cake	7.4	15
18	Immunity Challenge: Duncan Welgemoed	7.3	16
19	Abbotsford Convent Bakery Team Challenge	7.5	15
20	Elimination Challenge: Thai Food	7.6	16
21	Mystery Box and Invention Test Poh Ling Yeow	7.4	16
22	Pressure Test: Kylie Millar's Toffee Apple	7.4	15
23	Immunity Challenge: Callum Hann	7.3	15
24	Mexican Street Food Team Challenge	7.5	15
25	Re-invention Elimination Challenge + Masterclass	7.5	15
26	"Dollar" Box Challenge and Invention Test	7.2	17
27	Pressure Test: Marcus Wareing's Braised Veal	7.4	16
28	Immunity Challenge: Nick Holloway	7.7	16
29	Italian Team Challenge	7.4	15
30	Mystery Box Elimination Challenge	7.1	15
31	Mystery Box Challenge and Invention Test	7.4	16
32	Pressure Test: The Sunday Roast	7.3	16
33	"The Duel" Immunity Challenge	7.2	16
34	Restaurant Takeover Team Challenge	7.4	17
35	Blind Taste Test Elimination Challenge	7.4	16
36	Heston Blumenthal Mystery Box Challenge and Invention Test	7.7	16
37	Pressure Test: Guillaume Brahimi's Jewel of the Sea	7.6	16
38	Immunity Challenge: Jim McDougall	7.5	16
39	Team Challenge: Afternoon Tea at the Hotel Windsor	7.6	16
40	Elimination Challenge and Second Chance Cook-Off	7.5	17
41	"Mystery" Mystery Box Challenge and Invention Test	7.6	16
42	Pressure Test: Janice Wong's Cassis Plum	7.4	16
43	Immunity Challenge: Ross Lusted	7.5	16
44	All American Barbecue Team Challenge	7.6	15
45	Elimination Challenge: Rick Stein	7.5	16
46	"Deja Vu" Mystery Box Challenge and Invention Test	7.3	15
47	Pressure Test: Darren Purchese	7.5	15
48	Immunity Challenge: Monty and Jaclyn Koludrovic	7.3	15
49	Seven-course Degustation Challenge	7.5	15
50	Elimination Challenge: Time Auction	7.4	16
51	Restaurant Service Team Challenge	7.7	16
52	"Keep Up with Marco" Challenge	7.6	16
53	Immunity Challenge: Shannon Bennett	7.5	16
54	French Restaurant Service Team Challenge	7.5	16
55	Childhood Food Memory Elimination + Masterclass	7.4	17
56	Mystery Box Challenge: Choose Your Own & Invention Test: Food Trends	7.6	17
57	Pressure Test: Grant King's Liquid Gnocchi with Mushroom Consommé	7.7	17
58	Cook Whatever You Want	7.5	17
59	The Press Club Service Challenge	7.5	17
60	Pressure Test + MasterClass	7.8	18
61	Grand Final Part 1	8.0	19
62	Finale	8.4	25

Season 8 (2016)

7.74 avg 63 episodes 8.2 → 8.4 62 min avg

Rebound

Season 8 episodes — IMDb ratings
#	Title	Rating	Votes
1	Series Premiere: Auditions Part 1	8.2	25
2	Auditions Part 2	7.8	18
3	Auditions Part 3	7.6	18
4	Top 24 Mystery Box Challenge	7.7	18
5	Elimination Challenge	7.6	18
6	Marco's Mystery Box Challenge and Invention Test	7.7	18
7	Pressure Test: Marco Pierre White's Dory a la Nicoise	7.8	18
8	Immunity Challenge: Jake Kellie	7.9	18
9	Plough Hotel Team Challenge	8.0	18
10	Elimination Challenge: The Alphabet Game & MasterClass 1	7.7	18
11	"Viewers' Choice" Mystery Box Challenge & Invention Test	7.9	18
12	Pressure Test: Reynold Poernomo's "Moss"	7.9	18
13	Immunity Challenge: Braden White	7.9	18
14	Huxtable & Pei Modern Team Challenge	8.1	16
15	Raw and Cooked Elimination Challenge	7.3	16
16	Nigella's Mystery Box Challenge & Invention Test	7.4	16
17	Pressure Test: Nigella Lawson's Three-Course Dinner	7.4	16
18	Immunity Challenge: Lachlan Colwill	7.4	16
19	Team Challenge: Royal Children's Hospital Fête	7.8	16
20	Elimination Challenge: Name That Cake & MasterClass 2	7.3	15
21	Mystery Box Challenge & Leftovers Invention Test	7.7	15
22	Pressure Test: Jason Atherton's Quail Afternoon Tea Dish	7.5	16
23	Woodland House Immunity Challenge: Thomas Woods & Hayden McFarland	7.8	15
24	Off-site Challenge: Hellenic Republic	8.2	15
25	Elimination Challenge: Blind Taste Test	7.7	16
26	Invention Test: Maggie Beer & Mystery Box Challenge	7.9	16
27	Pressure Test: Anna Polyviou's "Mess"	7.8	16
28	Immunity Challenge: Morgan McGlone	7.4	16
29	Team Challenge: Chinese New Year	7.9	16
30	Elimination Challenge: Lucky Dip	7.4	16
31	Luke Nguyen's Mystery Box Challenge & Invention Test: Steam vs. Fry	7.7	15
32	Pressure Test: Ross Lusted	7.7	16
33	Second Chance Cook-Off	7.5	15
34	Sails by the Bay Team Challenge: Six-Course Degustation Menu	7.7	16
35	Nature Affinity Elimination Challenge	7.8	16
36	Mystery Box Challenge: Ugly Ingredients & Invention Test: Relay	7.9	15
37	Pressure Test: Flynn McGarry's Beet Wellington	7.5	15
38	Immunity Challenge: Victor Liong	7.7	15
39	Team Challenge: Gourmet Cinema	7.6	15
40	Elimination Challenge: Choose or Lose	7.6	15
41	Team Challenge: Melbourne Star	7.9	15
42	Team Challenge: Brighton Beach Ice Cream Stands	7.5	15
43	Team Challenge: Three-Course Dessert Spread	7.6	15
44	Service Challenge: Recipes from the Past	7.5	16
45	Elimination Challenge: Colours of the Rainbow & MasterClass 3	7.4	16
46	Mystery Box Challenge: All the Ingredients & Invention Test: Hardest Dishes	7.7	16
47	Pressure Test: Peter Gilmore's Cherry Jam Lamington	7.6	15
48	Immunity Challenge: Shannon Bennett	7.9	15
49	Team Challenge: Australian Produce	7.8	15
50	Elimination Challenge: Time Auction + Masterclass	8.0	15
51	Mystery Box Challenge: San Francisco Produce & Invention Test	8.1	16
52	Team Challenge: Dominque Creen's Signature Dishes	7.7	16
53	Fast Track to Finals: Francis Ford Coppola's Inglenook Estate	7.9	15
54	Team Challenge: Santa Monica Pier Food Trucks	8.4	18
55	Elimination Challenge: Put Your Dream on a Plate & MasterClass 4	7.9	16
56	Mystery Box Challenge: Hottest Ingredients & Invention Test: Hottest Techniques	7.6	15
57	Pressure Test: Christy Tania's Mistique	7.7	15
58	Service Challenge: Lake House	7.6	15
59	Elimination Challenge: Audition Ingredients	7.4	15
60	MasterClass 5	7.7	15
61	Mystery Box Challenge & Invention Test: Quarter Final	7.5	15
62	Service Challenge: Semi Final	8.3	15
63	MasterChef 2016 Grand Finale	8.4	25

Season 9 (2017)

7.04 avg 63 episodes 8.2 → 6.7 63 min avg

Season 9 episodes — IMDb ratings
#	Title	Rating	Votes
1	Auditions Part 1	8.2	22
2	Auditions Part 2	8.0	16
3	Auditions Part 3	7.7	14
4	Top 24 Mystery Box Challenge	8.1	13
5	Hidden Pairs Elimination Challenge	7.8	13
6	Judge's Mystery Box Challenge and Invention Test	7.8	13
7	Pressure Test: Gary Mehigan's Roast Chicken, Peas and Potatoes	8.0	14
8	Immunity Challenge: Jarod Di Blasi	7.6	14
9	400 Gradi Team Challenge	8.3	13
10	Potato Elimination Challenge + Masterclass	7.9	13
11	Masterclass: George, Gary and Matt	7.5	11
12	Ben Shewry's Mystery Box ans Invention Test	7.8	13
13	Andy Bowdy's "Rita"	7.8	13
14	Immunity Challenge: Charlie Carrington	8.0	13
15	Relay Team Challenge	8.0	12
16	Kirsten Tibballs' Mystery Box Challenge and Flower Affinity Invention Test	7.2	15
17	Pressure Test: Christy Tania's Ice Cream Float	6.2	8
18	Immunity Challenge: Lauren Eldridge, Angélique Peretto and Reynold Poernomo	7.3	11
19	Edible Dessert Greenhouse Art Work Team Challenge	6.8	8
20	Blind Ingredient Tasting Elimination Challenge	6.6	8
21	David Thompson's Mystery Box Challenge and Invention Test	7.0	8
22	Pressure Test: Josue Lopez's "After the Eucalypt Fire"	6.4	8
23	Immunity Challenge: Clinton McIver	7.1	8
24	South Melbourne Market Team Challenge	6.9	8
25	Three Dishes from Six Eggs Elimination Challenge	6.8	9
26	Yotam's Mystery Box Challenge and Invention Test	7.1	8
27	Pressure Test: Yotam Ottolenghi's Mezze Feast	6.0	9
28	Immunity Challenge: Blayne Bertoncello	6.8	8
29	Vegetarian Feast Team Challenge	6.5	8
30	Visual Perception Elimination Challenge/Masterclass: Yotam Ottolenghi, George Calombaris and Gary Mehigan	6.4	8
31	Curtis Stone's Mystery Box Challenge and Power Pin Invention Test	7.6	11
32	Pressure Test: Deniz Karaca's "Passion for Caramel"	7.3	10
33	Second Chance Cook-Off	7.6	10
34	Pop-Up Restaurant Team Challenge	6.8	9
35	Potluck Elimination Challenge	6.8	9
36	Murray River Mystery Box Challenge and Invention Test: Water	7.3	9
37	Brim Silos Team Challenge: Earth	7.4	8
38	Mildura Salt Flats Team Challenge: Air	7.2	8
39	Jack's Magazine Invention Test: Fire	6.9	8
40	Elimination Challenge: Deception/Masterclass: Heston Blumenthal, Gary Mehigan and Matt Preston	6.9	8
41	Peter Gilmore's Mystery Box Challenge and Invention Test	7.1	8
42	Pressure Test: Paul Carmichael's "Bajan Fish Fry"	6.4	8
43	Immunity Challenge: Ben Devlin	6.2	9
44	Blind Pairing Team Challenge	7.0	8
45	Time or Ingredients Elimination Challenge	6.5	8
46	Tokyo Eclectic Box Challenge and Invention Test	6.7	11
47	Kodama Eight-course Degustation Challenge	6.9	8
48	Mount Fuji Immunity Challenge	6.8	8
49	Shinjuku Food Stalls Team Challenge	6.9	10
50	Akagi Shrine Elimination Challenge	6.7	7
51	Masterclass: Odaka Takayuki, George Calombaris, Matt Preston and Kagehisa Imada	6.8	6
52	Shannon Bennett's Mystery Box Challenge and Re-invention Test	6.9	7
53	Pressure Test: Kylie Millar's "The Nest"	7.1	8
54	Fast-Track to the Finals Immunity Challenge: Federico Zanellato	6.3	7
55	Six-Course Meal Service Challenge	6.3	7
56	Outdoor Food Memory Elimination Challenge	6.3	7
57	Finals Mystery Box Challenge and Free Choice Invention Test	6.0	7
58	Pressure Test: Shaun Quade's "Pearl on the Ocean Floor"	6.4	7
59	World Class Service Elimination Challenge	6.9	7
60	Dinner by Heston Service Challenge	6.1	7
61	Freestyle Elimination + Masterclass: Chefs vs. Contestants	6.7	7
62	Semi-Finals: Service Challenge	6.6	7
63	Grand Finale	6.7	7

Season 10 (2018)

7.32 avg 61 episodes 8.0 → 5.9 62 min avg

Bad finale

Season 10 episodes — IMDb ratings
#	Title	Rating	Votes
1	Auditions Part 1	8.0	20
2	Auditions Part 2	7.8	14
3	Hospitality Cooking Challenge	7.9	15
4	Elimination Challenge: What's in the fridge	7.8	14
5	Eclectic Box Challenge & Precipitation Invention Test	7.9	15
6	Pressure Test: Maggie Beer	8.0	14
7	Immunity Challenge: Shui Ishizaka	8.2	15
8	Team Challenge: MCG	7.9	14
9	Elimination Challenge: Source of inspiration	8.1	13
10	Nigella's Mystery Box Challenge & Food Physics Invention Test	7.6	9
11	Pressure Test: Nigella's Chocolate Feast	7.9	10
12	Immunity Challenge: Alanna Sapwell	7.7	10
13	Brunch Service Challenge	7.8	9
14	Trifle Tasting Elimination Challenge & MasterClass 1	7.4	9
15	Gordon's British Box Challenge & Fast Food Invention Test	7.6	10
16	Pressure Test: Raviolo of Marron	7.4	9
17	Immunity Challenge: Jo Barrett, Gavin Hughes, John Rivera	7.4	9
18	Three-Course Dinner Service Challenge	7.7	10
19	Pressure Test: Matt Abé's Roast Chicken with Summer Vegetables and Green Herb Consommé	7.6	10
20	20 Box Challenge & Team Relay Invention Test	7.3	9
21	Pressure Test: Darren Purchese's Peach Melba	7.2	9
22	Immunity Challenge: Jacqui Challinor	6.7	11
23	Two-Course Team Challenge from Memory	7.4	10
24	Butchery Elimination Challenge	6.5	10
25	South Australia Farmers' Invention Test & Victoria Square Market Stall Service Challenge	7.2	10
26	Pressure Test: Brendan Wessels' Lemon Meringue Pie	7.3	10
27	Immunity Challenge: Jin Choi	7.3	9
28	Jacob's Creek Team Challenge	7.2	11
29	Maggie Beer's Chicken Elimination Challenge and MasterClass 2 Poh Ling Yeoh	7.3	10
30	Bread Box Challenge & Re-invention Test	7.2	10
31	Pressure Test: Alla Wolf-Tasker's Autumn Harvest	7.5	10
32	Immunity Challenge: Andy Harmer	7.8	12
33	Dandenong Ranges Team Challenge	7.5	11
34	World Cuisine Elimination Challenge and Second Chance Cook-Off	7.5	10
35	Adriano Zumbo's Mystery Box Challenge & Croquembouche Invention Test	7.5	10
36	Pressure Test: Katherine Sabbath's Birthday Cake	7.3	10
37	Immunity Challenge: Alice Wright	7.4	11
38	Restaurant Takeover Team Challenge	7.8	11
39	Chocolate Wheel Elimination Challenge	6.4	12
40	Mystery Box Challenge & Royalty Cooking Challenge	7.4	12
41	Pressure Test: Saransh Goila	7.6	12
42	Immunity Challenge: Ashley Davis	7.3	12
43	Royal Reception Catering Team Challenge	7.8	12
44	Nitmiluk National Park Elimination Challenge	6.9	11
45	Mini Box Challenge & Condiment Invention Test	7.0	11
46	TV Dinner Re-invention Cook-off	7.0	11
47	Time or Ingredients Cook-off	7.2	12
48	Panama Dining Room Service Challenge	7.2	11
49	Pressure Test: Peter Gilmore's Snow Egg & MasterClass 3	7.4	11
50	Visit from Loved Ones	7.4	13
51	Cryptic Pressure Test: Joe Grbac's Imperial Mandarin	6.5	11
52	Fast-Track to Finals Immunity Challenge: Reynold Poernomo and Matt Sinclair	6.6	10
53	SecondBite's Six-Course Degustation Challenge	6.4	9
54	Sudden Death Elimination Challenge & MasterClass	6.7	9
55	Finals Mystery Box Challenge & Invention Test	6.8	9
56	Pressure Test: Ashley Palmer-Watts' Sherried Marron	7.0	9
57	Season Affinity Duel Challenge	7.0	9
58	Icebergs Dining Room Service Challenge	7.0	9
59	Elimination Challenge: World Class & MasterClass 5	6.6	13
60	Semi-Finals Service Challenge	6.8	10
61	Grand Finale	5.9	13

Season 11 (2019)

6.92 avg 61 episodes 6.8 → 5.9 62 min avg

Season 11 episodes — IMDb ratings
#	Title	Rating	Votes
1	Auditions Part 1	6.8	19
2	Auditions Part 2	7.1	16
3	Desert Island Cooking Challenge	7.4	15
4	Immunity Challenge: Keeping up with Curtis Stone	7.5	15
5	Judges' Favourites Mystery Box Challenge & Black Box Elimination Challenge	7.5	15
6	Pressure Test: Darren Purchese's Bombe Alaska	7.4	12
7	Immunity Challenge: Max Sharrad	7.3	12
8	Briagolong Drought Buffet Team Challenge	7.2	12
9	Favourite Ingredients Elimination Challenge/Masterclass: George Calombaris, Poh Ling Yeow, Billie McKay, Matt Sinclair and Matt Preston	7.5	12
10	Nigella's Mystery Box Challenge & Team Relay Invention Test	7.5	12
11	Pressure Test: Nigella's Tarragon French Roast Chicken	7.5	12
12	Immunity Challenge: Coskun Uysal	7.4	12
13	Historical Three-Course Meal Team Challenge	7.5	12
14	Condiments Elimination Challenge/Masterclass: Gary Mehigan, Nigella Lawson and Matt Preston	7.2	12
15	Rick Stein's Mystery Box Challenge & Fish and Potatoes Invention Test	7.3	12
16	Pressure Test: Clare Smyth's Pear and Lemon Verbena Vacherin	7.8	14
17	Immunity Challenge: Donovan Cooke	7.2	15
18	Street Food Service Challenge	7.1	14
19	Deli Items Elimination Challenge	6.9	14
20	Dumpling Box Challenge & Top Secret Invention Test	7.1	14
21	Pressure Test: Leno Lattarulo's Seafood Paella	7.2	14
22	Immunity Challenge: Secret Chef	7.6	15
23	Italian Four-Course Meal Service Challenge	7.0	15
24	Blind Taste Test Elimination Challenge	6.8	13
25	Brisbane Box Challenge & Howard Smith Wharves Food Truck Challenge	7.2	14
26	Pressure Test: Shannon Kellam's Chocolate de Passion	6.7	14
27	Immunity Challenge: Ben Williamson	6.3	14
28	Noosa Barbecue Feast Team Challenge	6.5	14
29	Seafood Elimination Challenge/MasterClass: Ash Martin at The Homage, Spicers Hidden Vale	6.7	13
30	Everything Mystery Box Challenge and Whole Ingredients Invention Test	7.1	14
31	Lucky Dip Elimination Challenge and Second Chance Cook-Off	7.2	13
32	Immunity Challenge: Jesse McTavish	6.9	13
33	Picnic at Hanging Rock Team Challenge	7.0	13
34	Herbs and Spices Elimination Challenge	7.1	14
35	Heston's Mystery Box Challenge & Cereal Invention Test	6.9	13
36	Two-Day Pressure Test: Kate Reid's Black Forrest Lune Croissant	6.5	13
37	Immunity Challenge: Alice Wright	6.7	13
38	Blind Pairing Team Challenge	6.6	13
39	Sugar-Free Elimination Challenge	6.4	13
40	Best-Selling Mystery Box Challenge & Best-Loved Invention Test	7.0	12
41	Jock Zonfrillo's Challenge	7.1	12
42	Immunity Challenge: Phil Wood	7.5	12
43	Best Diners Team Challenge	7.5	12
44	Food Waste Management Elimination Challenge	7.0	12
45	Déjà Vu Mystery Box & Memories Invention Test	7.6	13
46	Pressure Test: Kirsten Tibballs' Apple Pie	7.1	13
47	Immunity Challenge: Adam D'Sylva	6.0	12
48	The Q Train Team Challenge	6.5	12
49	The Time Auction Elimination Challenge	5.8	13
50	Western Australia Mystery Box & Surf and Turf Invention Test	7.4	14
51	Wildflower Five-course Degustation challenge	6.3	11
52	Fast-Track to Finals Week Challenge	6.9	11
53	Leeuwin Estate Team Challenge	5.9	11
54	Two-Dish Pressure Test: Santiago Fernandez + MasterClass: Karl Wulf on Rottnest Island	6.3	11
55	Ingredient from Home Mystery Box & Judges Choice Invention Test	5.9	11
56	Pressure Test: Ashley Palmer-Watts' Lamington Cake	6.6	11
57	No Rules Challenge	5.5	11
58	The Press Club Service Challenge	6.2	13
59	Three-Round 'Duel' Elimination/MasterClass: Contestants vs. Judges and Mentors	6.3	11
60	Semi-Finals Pressure Test: Peter Gilmore	7.3	13
61	Grand Finale	5.9	17

Season 12 (2020)

6.78 avg 61 episodes 6.6 → 6.6 65 min avg

Mid-peak

Season 12 episodes — IMDb ratings
#	Title	Rating	Votes
1	Premiere: Immunity Challenge: Finale-Worthy Dish	6.6	38
2	Team Challenge	6.5	28
3	Relay Style Team Challenge	7.0	26
4	Immunity Challenge: Keeping Up with Gordon	6.5	23
5	Gordon Ramsay's 90-Minute Elimination Challenge	6.3	25
6	Ultimate BBQ Challenge	6.8	24
7	Two-Round Pressure Test: Orana	6.2	22
8	Melissa Leong's Mystery Box	6.7	22
9	Immunity Challenge: Judges' Taste Test / MasterClass	6.9	19
10	Judges' Ingredients Elimination Challenge	6.7	20
11	3-Round Team Showdown	5.5	23
12	Self Pressure Test	6.7	16
13	Barter Mystery Box	6.9	16
14	Curtis Stone's Time Auction Immunity Challenge	7.2	18
15	Textures Elimination Challenge	7.1	17
16	Thai Team Challenge	7.1	15
17	Pressure Test: Helly Raichura's "Pasta Not Pasta"	7.1	17
18	Suburban Mystery Box	7.3	17
19	Sushi Train Immunity Challenge	7.1	16
20	Home Delivery Elimination Challenge	7.1	16
21	Double Twist Team Challenge	7.1	15
22	Pressure Test: Darren Purchese's Passionfruit Pavlova	5.6	21
23	Twist-ery Box	6.9	15
24	Hot N Cold Immunity Challenge + MasterClass	6.3	27
25	Elimination Challenge: World Cuisines and Flavor Pairings	6.2	15
26	Savoury and Sweet Team Challenge	7.0	15
27	Pressure Test: Peter Gunn's Black Box	7.1	16
28	Shannon Martinez's Vegan Mystery Box	7.2	15
29	Comfort Food Immunity Challenge	7.4	17
30	All-In Kingfish Elimination	7.3	15
31	Two-Dish Team Relay Challenge	7.2	15
32	Immunity Pressure Test: Kirsten Tibballs' "Meljito"	7.5	15
33	Memories Mystery Box	7.5	21
34	Fairy Tales Immunity Challenge	8.6	24
35	All-In Elimination: Unusual Flavour Combinations	6.2	15
36	Heat 1: Citrus Invention Test	6.9	14
37	Heat 2: Coskun Uysal's Meat Dessert Challenge	6.9	14
38	Heat 3: Lotto Mystery Box	6.6	14
39	Fast-Track to Top 10 Challenge	6.8	12
40	All-In Pressure Test: Aussie Classics	7.1	14
41	Blind Pairing Team Challenge	6.9	14
42	No-Recipe Pressure Test: Benjamin Cooper's Jungle Curry	6.9	14
43	Smoking Mystery Box	6.9	14
44	Sudden-Death Pumpkin Immunity Challenge	6.8	15
45	Elimination Challenge: Street Food and Fine Dining	6.5	14
46	Golden Mystery Box	6.7	12
47	Time or Ingredients Immunity Challenge	6.7	11
48	All-In Elimination: One-Inch Cube Challenge	6.3	12
49	Two-Dish Everything Box	6.5	11
50	Alphabet Immunity Challenge	6.4	11
51	All-In Elimination: Classics and Novelties	6.4	11
52	Rubik's Cube Mystery Box	6.2	13
53	Two-Dish Lucky Dip Immunity Challenge	6.8	13
54	All-In Pressure Test: Phil Wood's Potato Duchess	7.0	12
55	Terrarium Mystery Box	6.7	11
56	No Rules Challenge	7.7	16
57	All-In Elimination: Four-Course Service Challenge	6.2	14
58	Gordon Ramsay's Mystery Box	6.2	13
59	All-In Elimination: Ordinary or Extraordinary	5.9	12
60	Semi-Final Pressure Test: Martin Benn's Toffee Apple	6.5	17
61	Grand Finale	6.6	22

Season 13 (2021)

6.33 avg 61 episodes 7.1 → 8.1 60 min avg

Season 13 episodes — IMDb ratings
#	Title	Rating	Votes
1	Premiere	7.1	23
2	Auditions - Day 2	6.8	15
3	Emelia Jackson Mystery Box	6.8	17
4	Chicken Or The Egg?	6.2	12
5	Superstars Week - Nigella Lawson (Elimination Challenge)	6.5	13
6	Superstars Week - Yotam Ottolenghi (Team Challenge)	6.7	12
7	Superstars Week - Massimo Bottura (Elimination Challenge)	6.6	12
8	Superstars Week - Clare Smyth (Mystery Box)	6.3	12
9	Superstars Week - Heston Blumenthal (Immunity Challenge)	6.7	11
10	Poh, Callum & Reynold (Elimination Challenge)	6.8	12
11	Least & Most Comfortable (Team Challenge)	6.4	10
12	Sweet & Savoury Tart (Elimination Challenge)	6.7	11
13	Staples (Immunity Challenge)	6.5	10
14	Choose Your Ingredient & Masterclass	6.1	9
15	That's The Way The Cookie Crumbles (Elimination Challenge)	6.3	10
16	Meet The Masters	6.1	9
17	Meet The Masters (Pressure Test)	7.1	12
18	Meet The Masters (Mystery Box)	6.0	10
19	Cooking With Fire (Immunity Challenge)	6.0	10
20	Meet The Masters (Elimination Challenge)	6.0	10
21	Service Challenge - Tonka (Immunity Challenge)	5.2	10
22	Service Challenge - Movida Aqui (Immunity Challenge)	6.1	9
23	Service Challenge - Lucy Liu (Immunity Challenge)	5.9	9
24	Service Challenge - Stokehouse (Immunity Challenge)	5.8	9
25	Relay Challenge (Elimination)	6.1	9
26	Vegetables (Invention Test)	6.3	10
27	Pressure Test	6.0	10
28	11 Utensils (Mystery Box)	6.2	9
29	Hot Chillies! (Immunity Challenge)	6.0	10
30	Game ID (Elimination Challenge)	6.9	8
31	Second Chance Week (Top Four)	4.8	12
32	Second Chance Week (Pressure Test)	6.6	12
33	Clear Or Hidden (Mystery Box Challenge)	6.2	9
34	It's A Knockout!	5.9	10
35	Murray Cod (Elimination Challenge)	6.1	10
36	Pair Up With Crayfish (Team Challenge)	5.3	9
37	Vego (Elimination Challenge)	5.7	9
38	Melbourne Inspiration (Mystery Box)	5.7	9
39	Kate Reid Pastry (Immunity Challenge)	5.7	10
40	90 Minute Cook Time (Elimination Challenge)	6.4	14
41	Home Delivery (Team Challenge)	6.6	9
42	Khanh Nguyen's Pork Wellington	5.6	10
43	4 Ingredient Barter (Mystery Box)	6.0	10
44	The Top Four (Immunity Challenge)	6.9	8
45	Nu Nu Ingredient ID (Elimination Challenge)	6.6	10
46	Surf and Turf Service Challenge	7.2	9
47	DIY Pressure Test	7.2	10
48	Family Box Challenge	6.0	11
49	Keep Up With Curtis + Masterclass	5.8	12
50	Double Elimination	6.3	12
51	Ularu Team Challenge	6.3	9
52	Simpsons Gap Elimination	6.2	9
53	Everything Box	6.3	11
54	Lucky Dip Immunity	6.1	11
55	Fast Food Fancy Food Elimination	6.1	10
56	Society 6 Course Service Challenge	6.3	11
57	Hugh Allen Pressure Test	6.6	13
58	Gemstone Affinity Dual Challenge	6.2	13
59	Semi-Final Service Challenge + Masterclass	7.8	10
60	Grand Finale	7.1	11
61	Grand Finale Part 2	8.1	12

Season 14 (2013)

6.58 avg 63 episodes 6.6 → 7.3 58 min avg

Rebound

Season 14 episodes — IMDb ratings
#	Title	Rating	Votes
1	Premiere	6.6	21
2	Featured Ingredient Service Challenge	6.5	12
3	Food Pyramid Invention Test	6.6	12
4	Lucky Dip Immunity Challenge	6.5	12
5	Great Aussie Jaffle Elimination	6.8	12
6	Throwback Mystery Box	6.3	11
7	Adriano Zumbo Pressure Test	6.5	11
8	Chili Team Relay + Masterclass	6.3	11
9	Beat the Chef Immunity Challenge Matt Stone	6.2	11
10	Shannon Bennett French Service Challenge	7.8	11
11	Shannon Bennett Mystery Box	8.0	11
12	Reynold Poernomo Pressure Test	6.6	11
13	Curtis Stone Service Challenge Fast and Fancy	6.3	10
14	Curtis Stone Immunity Time or Ingredients	6.3	10
15	Egg Elimination	6.2	10
16	Alphabet Mystery Boxes	6.3	11
17	Tarts Anon Pressure Test	6.2	10
18	Clare Smyth Service Challenge	6.1	12
19	Random Ingredient Immunity Challenge	6.1	10
20	Time Elimination	4.4	15
21	Fitzroy Mills Mystery Box	5.7	12
22	Alla Wolf-Tasker Pressure Test	6.1	11
23	Date Night Team Service Challenge	6.1	11
24	90 Minute 2-Round Elimination	5.9	11
25	MasterClass 2	6.6	10
26	Two Cuisines Immunity	6.5	11
27	Maggie Beer Mystery Box	6.1	10
28	Josh Niland Tuna Wellington Pressure Test	6.5	10
29	Werribee Mansion Team Service Challenge	6.7	9
30	Air Fryer and Deep Fryer Immunity	7.3	10
31	Greens and Herbs Elimination	6.2	9
32	Rainy Day Mystery Box	6.4	9
33	Donato Toce's Honey Pressure Test	6.8	9
34	Digital Art Gallery Team Service Challenge	6.7	9
35	Marco Pierre White Immunity + Masterclass	7.0	9
36	Marco Pierre White Pantry Elimination	6.3	9
37	Burnt Mystery Box	5.6	11
38	Andreas Papadakis Cryptic Pressure Test	6.0	9
39	Japanese or Italian Team Challenge	6.4	9
40	Movie Snacks Immunity Challenge	7.0	9
41	Rick Stein Postcard Elimination	6.6	10
42	Everything Mystery Box	6.8	10
43	DIY Pressure Test Challenge	7.1	10
44	Fruit Salad Reinvention Test	7.0	10
45	Time Auction Immunity Challenge	7.0	12
46	3 Rounds 1 Ingredient Elimination	7.4	12
47	Tiny Plate Mystery Box	6.6	10
48	Khanh Nguyen Pressure Test	6.6	10
49	Loved Ones Service Challenge	6.2	10
50	Prickly Ingredients Immunity + Masterclass	6.2	11
51	Hugh Allen Elimination	5.9	10
52	Rainbow Mystery Box	6.4	9
53	Kirsten Tibballs Pressure Test	6.6	9
54	Blind Pairing Duel Challenge	6.9	9
55	Time Shopping Immunity Challenge	6.8	10
56	Oyster Bay Tasmania Elimination	6.7	9
57	Truffle Hunt Immunity Challenge	7.1	10
58	Distillery Service Elimination	7.3	10
59	Home Cook to Pro Cook Fast Track to Semi-Final	6.8	10
60	Masterclass 5	8.1	9
61	Peter Gilmore Pressure Test	7.1	10
62	Semi-Final Service Challenge	7.4	9
63	Grand Finale	7.3	13

Season 15 (2023)

7.20 avg 50 episodes 7.7 → 8.5 54 min avg

Season 15 episodes — IMDb ratings
#	Title	Rating	Votes
1	Premiere	7.7	20
2	15 Minute Meal + Keeping Up With Jamie	7.8	18
3	Secret Flavour Bombs Challenge	7.3	14
4	Shannon Bennett Hugh Allen Immunity	7.5	17
5	Childhood Ingredients Elimination	6.9	18
6	Poh's Mystery Box	7.0	14
7	Emelia Jackson Choux Pastry Elimination	7.0	14
8	Featured Ingredient Team Service Challenge	7.1	15
9	Rotisserie Chicken Immunity Challenge	7.3	15
10	Julie Goodwin Seafood Stew Elimination	7.2	15
11	Biggest Mystery Box Ever	7.1	15
12	Lamington Tower Pressure Test	7.2	15
13	Grazeland Team Service Challenge	7.1	16
14	Sergio Perera Immunity Challenge	7.5	17
15	Overnight Elimination Cook	7.1	15
16	Nostalgic Cereal Mystery Box	6.9	16
17	Messinetta Pressure Test	7.6	16
18	Chinese Restaurant Service Challenge	7.1	14
19	Great Balls of Fire Immunity Challenge	7.4	16
20	Aussie Classic Elimination Challenge	7.2	15
21	3 vs 3 Smackdown Box	6.6	14
22	Smackdown Pressure Test	6.6	15
23	Smackdown Blind Relay Challenge	6.6	15
24	Cook Around the Clock Smackdown	6.8	16
25	Rick Stein Squid Challenge	6.8	12
26	Josh Niland Mystery Box	7.0	12
27	No Recipe Pho Elimination	6.8	12
28	Root Vegetable Service Challenge	6.8	12
29	Condiment Cook-Off for Coles	7.2	12
30	Maggie Beer Elimination	7.3	13
31	Mystery Box Surprise for Judges	7.2	12
32	Mr McGregor's Garden Pressure Test	7.1	12
33	Big Fat Greek Service Challenge	6.9	12
34	Beat the Chef Immunity Challenge	7.0	13
35	Colours Elimination Challenge	6.9	13
36	The Everything Mystery Box	7.0	13
37	Clare Smyth Pressure Test	6.9	12
38	Farm to Table Team Challenge	7.3	14
39	Crunchiest Immunity Challenge	7.0	13
40	Kirsten Tibballs 2 Round Pressure Test	7.4	14
41	Top 5 Open Garden Mystery Box	7.1	14
42	Time Auction Immunity Cook	7.2	14
43	Mexican Food Immunity Challenge	7.3	15
44	3 Course Grains Service Challenge	7.1	16
45	Double Duel for Finals Week	7.5	13
46	Hearts and Souls Mystery Box	7.7	13
47	Peter Gilmore Pressure Test From Memory	8.1	12
48	Keep Up With Curtis Stone Challenge	7.9	13
49	Semi-Final Solo Service Challenge	7.5	16
50	Grand Finale	8.5	20

Season 16 (2024)

7.12 avg 50 episodes 6.3 → 7.6 54 min avg

Season 16 episodes — IMDb ratings
#	Title	Rating	Votes
1	Premiere	6.3	25
2	Masterchef Legends Service Challenge	7.0	19
3	Eat With Your Hands Immunity Challenge	7.3	16
4	Time vs Ingredients Immunity Challenge	7.1	16
5	Food Dreams Elimination	7.0	16
6	First Mystery Box Challenge	7.0	16
7	Keep Up With Jamie Oliver Elimination	7.6	15
8	Queen Victoria Night Market Team Challenge	7.8	14
9	Reinventing Retro Elimination Challenge	7.3	14
10	When a Mystery Box Has Babies	7.0	13
11	Jack in the Box Pressure Test	7.7	14
12	Two Round Team Immunity Challenge	7.2	14
13	One-Inch Cubes Taste Test Elimination	7.7	15
14	French Themed Mystery Box	7.5	14
15	Black Cat Truffles Pressure Test	7.2	14
16	Classic Team Relay Challenge	7.6	14
17	Asian Ingredients Pressure Test	7.1	13
18	Wok-About Walkabout Mystery Box	7.2	14
19	Anna Polyviou Pressure Test	7.3	14
20	Microwave Magic Immunity Test	7.0	14
21	Eggs to Avoid Elimination	7.2	14
22	Asian Sauces Mystery Box	7.1	14
23	Darren Purchese Cherry Blossom Pressure Test	6.2	15
24	A Second Chance Cook-Off	6.1	17
25	Rick Stein Seafood Elimination	7.2	14
26	Pub Food Team Service Challenge	7.2	14
27	Curtis Stone Cookalong Elimination	6.9	14
28	Fusion Sauce Bottling Challenge	7.2	13
29	Meat-Free Reinvention Elimination	6.8	13
30	Adriano Zumbo Jelly Mystery Box	7.2	15
31	Zumbo's Croquembouche Immunity	6.8	14
32	The Great Divide Twins Challenge	7.1	13
33	Adriano Zumbo Taste Test Elimination	6.9	14
34	30 Minute Mega Mystery Box	7.0	15
35	Hugh Allen Banksia Pod Pressure Test	7.2	14
36	Surprise Invention Test Elimination	6.7	13
37	Hong Kong Mystery Box	7.4	15
38	Michelin Dish From Memory Immunity Challenge	7.6	16
39	Hong Kong Street Food Team Challenge	7.2	15
40	Hong Kong Lucky Dip Immunity	7.0	12
41	Time Auction Elimination	6.8	12
42	Poh's Everything Mystery Box	6.8	12
43	Guillaume Brahimi Pressure Test	7.0	11
44	Food Heroes Mystery Box Immunity	7.4	14
45	Extreme Ingredients Elimination	6.8	10
46	Golden Ticket Mystery Box	6.9	10
47	Josh Niland Pressure Test	6.9	9
48	3 Judges Cook a Mystery Box	7.4	12
49	Semi-Finals 3 Course Service Challenge	7.4	10
50	Grand Finale	7.6	14

Season 17 (2025)

7.27 avg 60 episodes 6.8 → 5.5 54 min avg

Rollercoaster

Season 17 episodes — IMDb ratings
#	Title	Rating	Votes
1	Episode #17.1	6.8	15
2	Keep Up with Gordon Challenge	6.6	10
3	Late Night Snack Immunity Challenge	7.8	9
4	Food Journey Elimination Challenge	7.6	9
5	Peter Gilmore Mystery Box Challenge	7.2	8
6	Pressure Test: Kirsten Tibballs' Coffee Caviar Tin	7.7	9
7	Shannon Bennett's 20-Minute Immunity Challenge	7.6	9
8	Two-Round Elimination Challenge: One-Inch Cube	7.2	9
9	Mystery Fridge Invention Test	7.3	9
10	Immunity Challenge: Curtis Stone	7.6	9
11	Jean-Christophe's French Service Immunity Challenge	7.8	9
12	Finishing Flair Elimination Challenge	8.0	10
13	Wrapped Up Mystery Box Challenge	7.1	10
14	Pressure Test: Steven He's Balloon Puppy Cake	7.5	10
15	Squire's Landing Pub Service Immunity Challenge	7.8	9
16	Josh Niland Surf & Turf Elimination Challenge	7.2	8
17	Ixta Belfrage Mystery Box	7.5	8
18	Pressure Test: Blayne Bertoncello's Strawberry and Sourdough with Elderflower and Balsamic	7.2	8
19	Potato Team Relay Challenge	7.7	9
20	Butter Elimination Challenge	7.6	9
21	Sooshi Mango Mystery Box	4.0	22
22	Immunity Pressure Test: John Demetrios' Chocolate Meteor	7.6	9
23	Cold Meats Sandwich Immunity Challenge	7.3	9
24	Andy Cooks' Elimination Challenge	6.8	10
25	Lee Kum Kee Mystery Box	7.6	9
26	Immunity Pressure Test: Ice Cream	7.4	9
27	Team Service Challenge: Dough	7.5	8
28	Junda Khoo's Laksa Taste-Test Elimination Challenge	7.6	9
29	Mystery Box: Goo	7.5	8
30	Immunity Pressure Test: Poh's Big Bake Off	7.4	8
31	Jelly Gems Taste Test Immunity Challenge	7.5	8
32	Sweet Nostalgia Elimination Challenge	7.1	8
33	Nornie Bero Mystery Box	7.4	8
34	Cook with Curtis Elimination Challenge	7.4	8
35	Ice Cream Immunity Challenge	7.2	8
36	Maggie Beer Time versus Ingredients Elimination Challenge	7.4	7
37	Air Fryer Mystery Box	7.4	8
38	Philip Khoury 'Dawn of a Tropical New Day' Pressure Test	7.6	7
39	Barbecue Battle Two-Round Immunity Challenge	7.6	7
40	International Cuisine Elimination Challenge	7.4	7
41	Qatar Mystery Box Challenge	6.6	8
42	IDAM Six-course Degustation Immunity Challenge	6.6	8
43	Qatar Airways Business Class Immunity Challenge	6.5	8
44	Duel Elimination Challenge	7.6	7
45	Garlic Mystery Box	7.6	7
46	Immunity Pressure Test: Michael Wilson's Marguerite Opera	7.6	7
47	Lucky Dip Immunity Challenge	7.8	8
48	Back to win - Time challenge	7.7	9
49	Back to win - Everything box	7.2	8
50	Back to win - Vue de Monde immunity challengs	6.2	10
51	Family-inspired Immunity Challenge	6.6	9
52	Winner's Pantry Elimination Challenge	7.4	8
53	Favourite Ingredients Mystery Box	7.2	8
54	Vaughan Mabee Elimination Challenge	7.8	8
55	Four Contestants, Four Judges, Four Cloches	7.4	9
56	Elimination Challenge: Two-Round Elimination	7.5	8
57	Final Three: Time Auction	7.5	8
58	The Fun One	7.3	9
59	Semi-Final: Service Challenge	6.8	9
60	Grand Finale	5.5	16

Season 18 (2026)

7.48 avg 5 episodes 6.8 → 7.6 65 min avg

shape-drift

Season 18 episodes — IMDb ratings
#	Title	Rating	Votes
1	Premiere	6.8	7
2	Episode #18.2	7.8	6
3	Episode #18.3	7.0	5
4	Episode #18.4	8.2	5
16	Episode #18.16	7.6	5

MasterChef: Australia (2009)

Cast

Seasons