Season 1 (2007)

5.70 avg 10 episodes 7.1 → 6.8 40 min avg

u-shaped

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	2007: Auditions 1	7.1	39
2	2007: Auditions 2	5.7	24
3	2007: Auditions 3	5.0	22
4	2007: Auditions 4	4.9	22
5	2007: Auditions 5	5.5	21
6	2007: Live Semi-Final 1	5.9	23
7	2007: Live Semi-Final 2	5.1	20
8	2007: Live Semi-Final 3	5.2	20
9	2007: The Live Final	5.8	22
10	2007: Live Final - The Results	6.8	27

Season 2 (2008)

5.46 avg 14 episodes 5.4 → 6.3 42 min avg

Season 2 episodes — IMDb ratings
#	Title	Rating	Votes
1	2008: Auditions 1	5.4	19
2	2008: Auditions 2	5.3	15
3	2008: Auditions 3	5.3	15
4	2008: Auditions 4	5.3	15
5	2008: Auditions 5	5.3	15
6	2008: Auditions 6	5.3	15
7	2008: Auditions 7	6.0	15
8	2008: Live Semi-Final 1	5.3	14
9	2008: Live Semi-Final 2	5.3	14
10	2008: Live Semi-Final 3	6.0	15
11	2008: Live Semi-Final 4	5.0	14
12	2008: Live Semi-Final 5	5.3	14
13	2008: Live Final	5.3	14
14	2008: Live Final - The Results	6.3	15

Season 3 (2009)

5.61 avg 14 episodes 7.0 → 6.0 42 min avg

Season 3 episodes — IMDb ratings
#	Title	Rating	Votes
1	2009: Auditions 1	7.0	27
2	2009: Auditions 2	6.0	17
3	2009: Auditions 3	5.4	16
4	2009: Auditions 4	6.0	17
5	2009: Auditions 5	4.9	17
6	2009: Auditions 6	5.3	15
7	2009: Auditions 7	5.4	16
8	2009: Live Semi-Final 1	5.3	15
9	2009: Live Semi-Final 2	5.3	15
10	2009: Live Semi-Final 3	5.3	15
11	2009: Live Semi-Final 4	5.3	15
12	2009: Live Semi-Final 5	5.3	15
13	2009: Live Final	6.0	17
14	2009: Live Final - The Results	6.0	18

Season 4 (2010)

6.22 avg 18 episodes 5.5 → 6.5 48 min avg

Season 4 episodes — IMDb ratings
#	Title	Rating	Votes
1	2010: Auditions 1	5.5	17
2	2010: Auditions 2	6.9	16
3	2010: Auditions 3	6.2	14
4	2010: Auditions 4	6.1	13
5	2010: Auditions 5	6.2	12
6	2010: Auditions 6	5.4	13
7	2010: Auditions 7	6.2	12
8	2010: Live Semi-Final 1	6.2	12
9	2010: Live Semi-Final 1 - The Results	6.2	12
10	2010: Live Semi-Final 2	6.7	13
11	2010: Live Semi-Final 2 - The Results	6.2	12
12	2010: Live Semi-Final 3	6.7	13
13	2010: Live Semi-Final 3 - The Results	6.2	12
14	2010: Live Semi-Final 4	6.2	12
15	2010: Live Semi-Final 4 - The Results	6.2	13
16	2010: Live Semi-Final 5	6.2	12
17	2010: Live Semi-Final 5 - The Results	6.2	12
18	2010: Live Final	6.5	15

Season 5 (2011)

5.87 avg 10 episodes 5.9 → 5.8 42 min avg

Rollercoaster

Season 5 episodes — IMDb ratings
#	Title	Rating	Votes
1	2011: Auditions 1	5.9	17
2	2011: Auditions 2	6.4	10
3	2011: Auditions 3	5.2	11
4	2011: Auditions 4	6.0	10
5	2011: Auditions 5	6.4	10
6	2011: Auditions 6	4.6	10
7	2011: Auditions 7	6.2	10
9	2011: Live Semi-Final 1 - The Results	6.7	11
18	2011: Live Final	5.5	12
19	2011: Live Final - The Results	5.8	10

Season 6 (2012)

6.10 avg 17 episodes 7.0 → 6.6 42 min avg

Season 6 episodes — IMDb ratings
#	Title	Rating	Votes
1	2012: Auditions 1	7.0	24
2	2012: Auditions 2	6.0	15
3	2012: Auditions 3	6.0	13
4	2012: Auditions 4	5.8	13
5	2012: Auditions 5	6.7	12
6	2012: Auditions 6	6.3	12
7	2012: Auditions 7	5.8	12
8	2012: Live Semi-Final 1	6.2	12
9	2012: Live Semi-Final 2	5.8	12
10	2012: Live Semi-Final 2 - The Results	5.8	11
11	2012: Live Semi-Final 3	6.1	15
12	2012: Live Semi-Final 3 - The Results	6.0	11
13	2012: Live Semi-Final 4	6.0	10
14	2012: Live Semi-Final 4 - The Results	6.0	9
15	2012: Live Semi-Final 5	5.8	10
16	2012: Live Semi-Final 5 - The Results	5.8	10
17	2012: The Live Final	6.6	15

Season 7 (2013)

6.29 avg 18 episodes 8.1 → 6.6 42 min avg

Rollercoaster

Season 7 episodes — IMDb ratings
#	Title	Rating	Votes
1	2013: Auditions 1	8.1	24
2	2013: Auditions 2	7.4	17
3	2013: Auditions 3	6.7	15
4	2013: Auditions 4	6.1	13
5	2013: Auditions 5	6.6	13
6	2013: Auditions 6	5.6	14
7	2013: Auditions 7	6.3	12
8	2013: Live Semi-Final 1	6.2	11
9	2013: Live Semi-Final 1 - The Results	5.2	10
10	2013: Live Semi-Final 2	6.2	11
11	2013: Live Semi-Final 2 - The Results	6.2	11
12	2013: Live Semi-Final 3	6.0	12
13	2013: Live Semi-Final 3 - The Results	6.3	12
14	2013: Live Semi-Final 4	6.2	11
15	2013: Live Semi-Final 4 - The Results	5.6	10
16	2013: Live Semi-Final 5	6.2	11
17	2013: Live Semi-Final 5 - The Results	5.8	10
18	2013: The Live Final	6.6	15

Season 8 (2014)

5.76 avg 18 episodes 6.8 → 7.2 42 min avg

Season 8 episodes — IMDb ratings
#	Title	Rating	Votes
1	2014: Auditions 1	6.8	19
2	2014: Auditions 2	7.1	15
3	2014: Auditions 3	6.2	16
4	2014: Auditions 4	6.4	14
5	2014: Auditions 5	6.8	16
6	2014: Auditions 6	6.7	15
7	2014: Auditions 7	7.4	15
8	2014: Live Semi-Final 1	5.4	13
9	2014: Live Semi-Final 1 - The Results	4.0	11
10	2014: Live Semi-Final 2	5.9	13
11	2014: Live Semi-Final 2 - The Results	4.0	11
12	2014: Live Semi-Final 3	5.7	13
13	2014: Live Semi-Final 3 - The Results	3.8	11
14	2014: Live Semi-Final 4	6.5	14
15	2014: Live Semi-Final 4 - The Results	4.1	12
16	2014: Live Semi-Final 5	5.7	12
17	2014: Live Semi-Final 5 - The Results	4.0	10
18	2014: The Live Final	7.2	16

Season 9 (2015)

6.40 avg 14 episodes 6.5 → 7.2 39 min avg

Season 9 episodes — IMDb ratings
#	Title	Rating	Votes
1	2015: Auditions 1	6.5	18
2	2015: Auditions 2	7.1	16
3	2015: Auditions 3	6.0	15
4	2015: Auditions 4	6.6	15
5	2015: Auditions 5	7.1	19
6	2015: Auditions 6	6.5	14
7	2015: Auditions 7	6.3	14
8	2015: Live Semi-Final 1	6.5	14
10	2015: Live Semi-Final 2	6.5	14
12	2015: Live Semi-Final 3	6.4	17
13	2015: Live Semi-Final 3 - The Results	4.2	13
14	2015: Live Semi-Final 4	6.2	14
16	2015: Live Semi-Final 5	6.5	13
18	2015: The Live Final	7.2	18

Season 10 (2016)

6.10 avg 18 episodes 6.7 → 6.4 42 min avg

Rollercoaster

Season 10 episodes — IMDb ratings
#	Title	Rating	Votes
1	2016: Auditions 1	6.7	23
2	2016: Auditions 2	7.1	19
3	2016: Auditions 3	6.2	18
4	2016: Auditions 4	6.6	17
5	2016: Auditions 5	6.4	19
6	2016: Auditions 6	5.8	15
7	2016: Auditions 7	5.7	16
8	2016: Live Semi-Final 1	5.7	16
9	2016: Live Semi-Final 1 - The Results	5.8	14
10	2016: Live Semi-Final 2	6.1	15
11	2016: Live Semi-Final 2 - The Results	6.1	14
12	2016: Live Semi-Final 3	6.4	14
13	2016: Live Semi-Final 3 - The Results	5.1	13
14	2016: Live Semi-Final 4	6.0	13
15	2016: Live Semi-Final 4 - The Results	5.5	12
16	2016: Live Semi-Final 5	6.5	14
17	2016: Live Semi-Final 5 - The Results	5.7	12
18	2016: The Live Final	6.4	18

Season 11 (2017)

6.21 avg 18 episodes 6.8 → 6.7 46 min avg

Season 11 episodes — IMDb ratings
#	Title	Rating	Votes
1	2017: Auditions 1	6.8	31
2	2017: Auditions 2	7.2	30
3	2017: Auditions 3	6.8	27
4	2017: Auditions 4	6.5	27
5	2017: Auditions 5	6.6	26
6	2017: Auditions 6	6.7	25
7	2017: Auditions 7	6.4	24
8	2017: Live Semi-Final 1	6.5	22
9	2017: Live Semi-Final 1 - The Results	5.2	20
10	2017: Live Semi-Final 2	6.8	22
11	2017: Live Semi-Final 2 - The Results	5.5	19
12	2017: Live Semi-Final 3	6.8	21
13	2017: Live Semi-Final 3 - The Results	5.3	17
14	2017: Live Semi-Final 4	6.4	21
15	2017: Live Semi-Final 4 - The Results	5.1	18
16	2017: Live Semi-Final 5	6.0	22
17	2017: Live Semi-Final 5 - The Results	4.5	19
18	2017: The Live Final	6.7	27

Season 12 (2018)

6.39 avg 18 episodes 6.6 → 7.5 51 min avg

Season 12 episodes — IMDb ratings
#	Title	Rating	Votes
1	2018: Auditions 1	6.6	33
2	2018: Auditions 2	6.9	29
3	2018: Auditions 3	7.0	28
4	2018: Auditions 4	6.6	24
5	2018: Auditions 5	6.4	25
6	2018: Auditions 6	6.9	25
7	2018: Auditions 7	6.2	24
8	2018: Live Semi-Final 1	6.1	25
9	2018: Live Semi-Final 1 - The Results	5.6	22
10	2018: Live Semi-Final 2	6.2	25
11	2018: Live Semi-Final 2 - The Results	5.8	21
12	2018: Live Semi-Final 3	6.6	26
13	2018: Live Semi-Final 3 - The Results	5.7	21
14	2018: Live Semi-Final 4	6.5	25
15	2018: Live Semi-Final 4 - The Results	6.1	21
16	2018: Live Semi-Final 5	6.6	28
17	2018: Live Semi-Final 5 - The Results	5.8	21
18	2018: The Live Final	7.5	31

Season 13 (2019)

6.30 avg 19 episodes 6.1 → 6.3 54 min avg

Season 13 episodes — IMDb ratings
#	Title	Rating	Votes
1	2019: Auditions 1	6.1	41
2	2019: Auditions 2	6.2	35
3	2019: Auditions 3	5.3	35
4	2019: Auditions 4	6.8	31
5	2019: Auditions 5	6.5	30
6	2019: Auditions 6	6.7	32
7	2019: Auditions 7	6.0	31
8	2019: Auditions 8	6.9	32
9	2019: Live Semi-Final 1	6.7	32
10	2019: Live Semi-Final 1 - The Results	5.7	29
11	2019: Live Semi-Final 2	6.1	30
12	2019: Live Semi-Final 2 - The Results	5.7	25
13	2019: Live Semi-Final 3	7.1	30
14	2019: Live Semi-Final 3 - The Results	6.1	28
15	2019: Live Semi-Final 4	6.5	28
16	2019: Live Semi-Final 4 - The Results	5.7	25
17	2019: Live Semi-Final 5	6.5	28
18	2019: Live Semi-Final 5 - The Results	6.8	24
19	2019: The Live Final	6.3	30

Season 14 (2020)

6.11 avg 15 episodes 6.3 → 6.8 73 min avg

Season 14 episodes — IMDb ratings
#	Title	Rating	Votes
1	2020: Auditions 1	6.3	44
2	2020: Auditions 2	6.3	32
3	2020: Auditions 3	6.3	32
4	2020: Auditions 4	6.0	30
5	2020: Auditions 5	6.4	26
6	2020: Auditions 6	6.6	28
7	2020: Auditions 7	6.3	28
8	2020: Auditions 8	6.4	27
9	2020: The Finalists Revealed	5.3	22
10	2020: Semi-Final 1	6.6	26
11	2020: Semi-Final 2	5.4	23
12	2020: Semi-Final 3	5.2	22
14	2020: Semi-Final 5	5.5	18
15	2020: The Live Final	6.2	19
16	Christmas Special	6.8	8

Season 15 (2022)

6.42 avg 14 episodes 6.6 → 6.0 75 min avg

Season 15 episodes — IMDb ratings
#	Title	Rating	Votes
1	2022: Auditions 1	6.6	30
2	2022: Auditions 2	6.7	25
3	2022: Auditions 3	6.2	24
4	2022: Auditions 4	6.7	23
5	2022: Auditions 5	6.9	23
6	2022: Auditions 6	6.8	25
7	2022: Auditions 7	6.7	24
8	2022: Auditions 8	6.5	24
9	2022: Live Semi-Final 1	6.5	24
10	2022: Live Semi-Final 2	6.3	24
11	2022: Live Semi-Final 3	6.4	24
12	2022: Live Semi-Final 4	5.7	24
13	2022: Live Semi-Final 5	5.9	23
14	2022: The Live Final	6.0	26

Season 16 (2023)

6.46 avg 14 episodes 6.3 → 5.8 75 min avg

Season 16 episodes — IMDb ratings
#	Title	Rating	Votes
1	2023: Auditions 1	6.3	28
2	2023: Auditions 2	6.4	24
3	2023: Auditions 3	6.5	23
4	2023: Auditions 4	6.3	23
5	2023: Auditions 5	6.7	24
6	2023: Auditions 6	6.6	23
7	2023: Auditions 7	6.2	23
8	2023: Auditions 8	6.2	22
9	2023: Live Semi-Final 1	6.6	22
10	2023: Live Semi-Final 2	7.0	22
11	2023: Live Semi-Final 3	6.2	22
12	2023: Live Semi-Final 4	6.8	23
13	2023: Live Semi-Final 5	6.8	22
14	2023: The Live Final	5.8	28

Season 17 (2024)

5.94 avg 14 episodes 6.0 → 6.1 79 min avg

Season 17 episodes — IMDb ratings
#	Title	Rating	Votes
1	2024: Auditions 1	6.0	28
2	2024: Auditions 2	6.1	21
3	2024: Auditions 3	5.7	23
4	2024: Auditions 4	6.2	21
5	2024: Auditions 5	6.0	21
6	2024: Auditions 6	6.4	19
7	2024: Auditions 7	6.0	16
8	2024: Auditions 8	5.9	18
9	2024: Live Semi-Final 1	6.2	19
10	2024: Live Semi-Final 2	5.9	19
11	2024: Live Semi-Final 3	5.5	19
12	2024: Live Semi-Final 4	5.3	19
13	2024: Live Semi-Final 5	5.8	19
14	2024: The Live Final	6.1	19

Season 18 (2025)

6.18 avg 14 episodes 6.0 → 6.8 79 min avg

Season 18 episodes — IMDb ratings
#	Title	Rating	Votes
1	Auditions 1	6.0	24
2	Auditions 2	5.5	24
3	Auditions 3	6.2	19
4	Auditions 4	6.5	17
5	Auditions 5	6.6	17
6	Auditions 6	6.6	18
7	Auditions 7	6.0	16
8	Auditions 8	6.0	17
9	Semi-Final 1	6.1	19
10	Semi-Final 2	6.0	17
11	Semi-Final 3	5.9	19
12	Semi-Final 4	5.8	17
13	Semi-Final 5	6.5	16
14	The Live Final	6.8	20

Season 19 (2026)

5.03 avg 14 episodes 5.0 → 4.6 76 min avg

Season 19 episodes — IMDb ratings
#	Title	Rating	Votes
1	Auditions 1	5.0	25
2	Auditions 2	5.9	22
3	Auditions 3	5.2	18
4	Auditions 4	5.5	17
5	Auditions 5	5.6	17
6	Auditions 6	5.1	16
7	Auditions 7	4.8	15
8	Auditions 8	4.3	16
9	Live Semi-Final 1	4.5	15
10	Live Semi-Final 2	4.7	14
11	Live Semi-Final 3	5.5	13
12	Live Semi-Final 4	5.0	14
13	Live Semi-Final 5	4.7	13
14	Live Final	4.6	16

Britain's Got Talent (2007)

Cast

Seasons