OK K.O.! Let's Be Heroes (2017)

Action · Adventure · Animation

Animated comedy set in the futuristic year of 201X, where the world is populated by video game and manga-esque characters.

Ratings refreshed Jul 3, 2026 · 3 seasons indexed

Cast

7.96 avg 52 episodes 8.4 → 8.6 11 min avg

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	Let's Be Heroes	8.4	141
2	Let's Be Friends	8.1	112
3	You're Everybody's Sidekick	8.0	99
4	We Messed Up	8.1	97
5	Jethro's All Yours	8.2	89
6	You're Level 100!	8.0	89
7	Sibling Rivalry	8.2	83
8	I Am Dendy	8.6	105
9	Do You Have Any More in the Back?	8.1	79
10	My Dad Can Beat Up Your Dad	8.1	82
11	You Get Me	7.6	71
12	You Are Rad	7.9	69
13	Just Be a Pebble	7.8	71
14	Presenting Joe Cuppa	7.6	74
15	We've Got Pests	8.1	76
16	Legends of Mr. Gar	8.3	75
17	Know Your Mom	8.1	84
18	We're Captured	8.2	74
19	Face Your Fears	8.8	88
20	Everybody Likes Rad?	7.7	69
21	You Have to Care	9.1	108
22	Plaza Prom	8.1	71
23	Second First Date	8.6	80
24	One Last Score	7.1	63
25	T.K.O.	9.3	126
26	Stop Attacking the Plaza!	7.7	66
27	We've Got Fleas	7.3	63
28	No More Pow Cards	8.4	82
29	A Hero's Fate	8.0	57
30	Let's Have a Stakeout	8.5	71
31	Rad Likes Robots	7.9	65
32	KO's Video Channel	8.4	77
33	The Power Is Yours!	7.6	72
34	Glory Days	8.2	59
35	Plazalympics	7.8	56
36	We Got Hacked	8.0	60
37	Parents Day	8.1	65
38	Back in Red Action	8.4	70
39	Let's Take a Moment	8.4	70
40	Villains' Night Out	8.1	62
41	Villains' Night In	8.0	56
42	Let's Watch the Pilot	7.4	59
43	Mystery Science Fair 201X	8.1	64
44	RMS & Brandon's First Episode	6.6	52
45	Lad & Logic	7.2	45
46	OK Dendy! Let's Be K.O.!	7.5	49
47	Plaza Shorts	7.2	38
48	Let's Not Be Skeletons	5.7	93
49	Action News	8.1	50
50	The Perfect Meal	6.8	44
51	Hope This Flies	7.6	44
52	You're in Control	8.6	59

7.70 avg 37 episodes 7.2 → 8.7 11 min avg

Season 2 episodes — IMDb ratings
#	Title	Rating	Votes
1	Seasons Change	7.2	48
2	Lord Cowboy Darrell	8.0	50
3	Plaza Film Festival	7.4	44
4	Be a Team	7.1	42
5	My Fair Carol	7.8	43
6	Let's Watch the Boxmore Show	7.4	42
7	Your World Is an Illusion	8.3	60
8	The So-Bad-Ical	7.9	57
9	Point to the Plaza	7.6	39
10	TKO's House	8.3	55
11	Red Action to the Future	8.1	57
12	Dendy's Power	8.0	46
13	Special Delivery	7.7	43
14	Wisdom, Strength and Charisma	7.8	43
15	Bittersweet Rivals	8.0	45
16	Are You Ready For Some Megafootball?	7.2	42
17	Mystery Sleepover	8.2	42
18	Final Exams	7.7	42
19	Soda Genie	7.0	42
20	CarolQuest	7.7	38
21	Boxman Crashes	8.1	47
22	Crossover Nexus	8.5	116
23	Monster Party	7.4	59
24	Super Black Friday	7.3	33
25	Plaza Alone	6.7	36
26	All in the Villainy	7.9	43
27	Sidekick Scouts	7.0	35
28	Whacky Jaxxyz	8.8	94
29	Project Ray Way	7.4	33
30	I Am Jethro	7.8	35
31	GarQuest	7.9	32
32	Gar Trains Punching Judy	7.8	33
33	Beach Episode	7.2	33
34	OK A.U.!	7.7	35
35	KO's Health Week	7.1	37
36	Rad's Alien Sickness	7.3	37
37	Dark Plaza	8.7	53

8.04 avg 19 episodes 8.1 → 9.3 12 min avg

Season 3 episodes — IMDb ratings
#	Title	Rating	Votes
1	We Are Heroes	8.1	42
2	KO, Rad, and Enid!	7.9	38
3	TKO Rules!	8.3	43
4	Chip's Damage	7.6	35
5	K.O. vs. Fink	8.1	43
6	The K.O. Trap	8.1	43
7	Whatever Happened to... Rippy Roo?	7.6	35
8	Planet X	7.2	37
9	Deep Space Vacation	7.1	35
10	Let's Meet Sonic	8.6	115
11	Big Reveal	8.2	50
12	Radical Rescue	7.3	38
13	Let's Get Shadowy	7.9	44
14	You're a Good Friend, KO	8.3	56
15	Red Action 3: Grudgement Day	8.2	68
16	Carl	7.9	43
17	Dendy's Video Channel	8.2	49
18	Let's Fight to the End	8.8	69
19	Thank You for Watching the Show	9.3	115