TV Series Ratings Analysis

Shark Tank Episode Ratings Heatmap

2009 · 17 Seasons · 377 Episodes · Overall Score: 6.1/10 (373 rated)

Highest Rated Episode

8.3/10

S2E7: Football hydration, Games2U, EcoMower (3 votes)

View Episode →

Best Season

7.24/10

Season 2 holds the highest collective average score across the series.

Season 2 Details →

Most Consistent Season

Season 15

Lowest score variance (σ = 0.29), maintaining an average of 6.6.

Strongest Finale

7.5/10

Season 9 finale: "Episode 24"

Episode Recap →

Key Ratings Insights

Best season by average: Season 2 averaged 7.24/10 across 9 rated episodes.
Ratings fell from Season 1 (average 6.66/10) to Season 17 (average 5.08/10), a decline of 1.58 points.

Complete Episode Rating Matrix

Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.

8.5+ (Outstanding) 7.5 – 8.4 (Great) 6.0 – 7.4 (Average) < 6.0 (Underwhelming) Few votes

Episode	Season 1	Season 2	Season 3	Season 4	Season 5	Season 6	Season 7	Season 8	Season 9	Season 10	Season 11	Season 12	Season 13	Season 14	Season 15	Season 16	Season 17
Ep 1	7.2	7.7	7.0	2.8	6.3	6.5	5.0	6.0	7.3	5.0	5.0	7.0	6.0	4.0	7.2	5.5	6.0
Ep 2	6.3	7.7	7.0	4.2	6.7	5.0	5.0	6.5	6.5	5.0	5.0	7.3	6.5	5.5	6.7	6.7	5.5
Ep 3	7.0	7.0	7.3	6.5	7.0	5.0	5.0	5.0	6.5	5.0	6.5	6.7	5.0	6.0	6.3	6.7	6.0
Ep 4	6.3	7.5	6.3	6.0	7.0	5.0	6.0	5.0	6.5	5.0	6.5	7.0	5.0	6.3	6.7	6.3	6.0
Ep 5	6.3	6.3	6.5	5.0	6.8	5.0	7.0	5.0	5.5	5.5	6.5	7.0	5.0	6.0	6.7	6.7	6.0
Ep 6	7.0	6.7	6.7	6.0	6.5	5.0	6.0	6.0	6.0	6.7	7.0	6.7	–	7.0	6.3	6.7	6.0
Ep 7	6.7	8.3	6.7	6.0	5.0	5.0	5.5	5.0	6.0	5.0	6.5	7.0	5.0	6.5	6.7	6.7	5.0
Ep 8	6.7	7.0	5.7	6.0	6.0	5.0	7.0	6.5	6.0	6.5	6.5	6.3	5.0	6.7	6.0	6.0	5.5
Ep 9	7.0	7.0	7.0	6.5	6.0	6.0	6.0	6.5	6.0	5.0	5.0	7.0	7.0	6.7	6.3	6.0	5.5
Ep 10	7.0	–	6.3	6.7	5.0	6.0	6.5	6.0	6.5	6.5	6.7	6.8	7.0	6.0	6.3	6.5	5.5
Ep 11	6.0	–	7.7	6.0	5.5	6.0	5.0	6.0	6.5	6.5	6.3	6.7	6.5	6.7	6.7	5.7	5.5
Ep 12	6.7	–	6.5	6.0	6.0	5.5	5.5	5.5	6.5	6.5	6.3	6.7	7.0	6.7	6.7	6.0	4.0
Ep 13	6.3	–	6.5	7.0	6.5	5.0	5.0	6.0	6.5	7.0	7.0	7.3	–	6.7	6.7	6.0	5.0
Ep 14	6.7	–	5.0	6.0	6.5	5.0	6.0	5.0	6.5	6.5	7.0	6.7	–	6.7	6.7	6.0	4.0
Ep 15	–	–	5.0	6.5	6.5	5.0	6.0	6.5	6.0	7.0	6.7	6.7	–	7.3	6.7	6.5	4.0
Ep 16	–	–	–	6.0	6.5	5.0	6.5	7.0	5.0	6.0	7.0	7.0	6.0	6.7	6.7	6.0	4.0
Ep 17	–	–	–	6.0	6.0	5.0	6.5	6.0	6.0	6.5	7.0	7.0	6.0	6.7	6.5	5.3	4.0
Ep 18	–	–	–	5.5	6.5	6.0	6.0	6.5	5.5	6.5	6.7	6.7	5.0	6.0	6.7	6.0	4.0
Ep 19	–	–	–	6.0	6.5	6.0	6.5	5.0	6.5	6.0	7.0	7.0	5.0	6.0	7.0	6.0	–
Ep 20	–	–	–	6.7	6.0	6.5	6.5	5.0	6.0	6.5	5.5	7.0	5.0	6.7	6.7	6.0	–
Ep 21	–	–	–	6.0	6.0	6.0	6.5	5.0	6.0	6.5	6.3	6.7	5.0	6.0	6.7	–	–
Ep 22	–	–	–	6.5	6.0	5.5	6.0	5.0	6.5	6.5	6.3	6.5	5.0	6.0	6.0	–	–
Ep 23	–	–	–	7.0	6.0	6.5	6.5	5.0	5.0	5.0	6.3	6.5	5.0	–	–	–	–
Ep 24	–	–	–	6.5	5.5	5.0	5.0	5.0	7.5	–	6.7	6.0	5.0	–	–	–	–
Ep 25	–	–	–	5.5	6.0	5.0	5.0	–	–	–	–	5.0	–	–	–	–	–
Ep 26	–	–	–	6.0	6.0	6.5	5.0	–	–	–	–	–	–	–	–	–	–
Ep 27	–	–	–	–	6.0	5.0	5.0	–	–	–	–	–	–	–	–	–	–
Ep 28	–	–	–	–	5.5	5.0	5.0	–	–	–	–	–	–	–	–	–	–
Ep 29	–	–	–	–	6.0	5.0	5.0	–	–	–	–	–	–	–	–	–	–
Season Avg	6.7	7.2	6.5	6.0	6.1	5.5	5.8	5.7	6.2	6.0	6.4	6.7	5.6	6.3	6.6	6.2	5.1

Ratings Analysis & Trajectory

Across 17 seasons and 377 episodes, Shark Tank has earned an overall series rating of 6.1 out of 10. The series reached its critical peak early, showing a slight contraction in audience satisfaction in later chapters.

The single highest-rated hour of television in the series is Season 2, Episode 7 ("Football hydration, Games2U, EcoMower"), rated at an extraordinary 8.3/10 with 3 ratings. Conversely, the lowest-rated installment is Season 4, Episode 1 ("September 14, 2012"), landing at 2.8/10.

The most precipitous single-episode shift occurred in Season 10 between Episode 6 ("Episode 6", 6.7) and Episode 7 ("Episode 7", 5), a swing of 1.7 points.

Top 10 Highest Rated Episodes of Shark Tank

Rank	Episode	Title	Score	Votes	Air Date
#1	Season 2, Ep 7	Football hydration, Games2U, EcoMower	8.3	3	Apr 28, 2011
#2	Season 2, Ep 1	Seafood Chef, Premium wine glass	7.7	3	Mar 20, 2011
#3	Season 2, Ep 2	Toygaroo, Nose filter, Bacon alarm clock	7.7	3	Mar 25, 2011
#4	Season 3, Ep 11	Week 11	7.7	3	Apr 13, 2012
#5	Season 2, Ep 4	HillBilly, BrocoliWad, Airline child seat	7.5	2	Apr 8, 2011
#6	Season 9, Ep 24	Episode 24	7.5	2	Feb 25, 2018
#7	Season 3, Ep 3	Week 3	7.3	3	Feb 3, 2012
#8	Season 9, Ep 1	Season 9 Premiere: Episode 1	7.3	3	Oct 1, 2017
#9	Season 12, Ep 2	Episode 2	7.3	3	Oct 23, 2020
#10	Season 12, Ep 13	Episode 13	7.3	3	Feb 12, 2021