Dragon Ball Z Kai Episode Ratings Heatmap
2009 · 5 Seasons · 132 Episodes · Overall Score: 8.5/10 (26 rated)
S1E13: The Power of the Kaio-Ken! Goku vs. Vegeta! (5 votes)
View Episode →Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.46), maintaining an average of 8.5.
Season 1 finale: "The Scheme Is Shattered! Vegeta Strikes Back at Zarbon!"
Episode Recap →Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
| Episode | Season 1 | Season 2 | Season 3 | Season 4 | Season 5 |
|---|---|---|---|---|---|
| Ep 1 | 8.1 | – | – | – | – |
| Ep 2 | 8.0 | – | – | – | – |
| Ep 3 | 8.0 | – | – | – | – |
| Ep 4 | 7.8 | – | – | – | – |
| Ep 5 | 7.6 | – | – | – | – |
| Ep 6 | 8.3 | – | – | – | – |
| Ep 7 | 8.2 | – | – | – | – |
| Ep 8 | 8.2 | – | – | – | – |
| Ep 9 | 8.4 | – | – | – | – |
| Ep 10 | 8.2 | – | – | – | – |
| Ep 11 | 8.4 | – | – | – | – |
| Ep 12 | 8.8 | – | – | – | – |
| Ep 13 | 9.2 | – | – | – | – |
| Ep 14 | 9.0 | – | – | – | – |
| Ep 15 | 8.6 | – | – | – | – |
| Ep 16 | 8.6 | – | – | – | – |
| Ep 17 | 8.4 | – | – | – | – |
| Ep 18 | 8.2 | – | – | – | – |
| Ep 19 | 9.2 | – | – | – | – |
| Ep 20 | 9.2 | – | – | – | – |
| Ep 21 | 9.0 | – | – | – | – |
| Ep 22 | 9.0 | – | – | – | – |
| Ep 23 | 8.6 | – | – | – | – |
| Ep 24 | 8.8 | – | – | – | – |
| Ep 25 | 9.0 | – | – | – | – |
| Ep 26 | 9.0 | – | – | – | – |
| Ep 27 | – | – | – | – | – |
| Ep 28 | – | – | – | – | – |
| Ep 29 | – | – | – | – | – |
| Ep 30 | – | – | – | – | – |
| Ep 31 | – | – | – | – | – |
| Ep 32 | – | – | – | – | – |
| Ep 33 | – | – | – | – | – |
| Ep 34 | – | – | – | – | – |
| Ep 35 | – | – | – | – | – |
| Season Avg | 8.5 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 132 episodes, Dragon Ball Z Kai has earned an overall series rating of 8.5 out of 10. The series displays remarkable consistency across its narrative arc, maintaining reliable ratings from premiere to conclusion.
The single highest-rated hour of television in the series is Season 1, Episode 13 ("The Power of the Kaio-Ken! Goku vs. Vegeta!"), rated at an extraordinary 9.2/10 with 5 ratings. Conversely, the lowest-rated installment is Season 1, Episode 5 ("Wilderness Survival! A Moonlit Night Awakens Gohan!"), landing at 7.6/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 14 ("An All-Out Kamehame-Ha! Vegeta's Terrible Transformation!", 9) and Episode 15 ("Goku on the Ropes! Pin Your Hopes on the Spirit Bomb!", 8.6), a swing of 0.4 points.
Top 10 Highest Rated Episodes of Dragon Ball Z Kai
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 13 | The Power of the Kaio-Ken! Goku vs. Vegeta! | 9.2 | 5 | Jun 28, 2009 |
| #2 | Season 1, Ep 19 | A Powerful New Foe! Frieza, Ruler of the Universe! | 9.2 | 4 | Aug 16, 2009 |
| #3 | Season 1, Ep 20 | The Rebellion Against Frieza! Vegeta's Burning Ambition! | 9.2 | 4 | Aug 23, 2009 |
| #4 | Season 1, Ep 21 | Protect the Dragon Balls! The Namekians' All-Out Attack! | 9.0 | 5 | Aug 30, 2009 |
| #5 | Season 1, Ep 22 | Dodoria's Terrifying Chase! A Truth Revealed to Vegeta! | 9.0 | 5 | Sep 6, 2009 |
| #6 | Season 1, Ep 25 | Power Up, Krillin! Frieza's Mounting Apprehension! | 9.0 | 5 | Sep 27, 2009 |
| #7 | Season 1, Ep 26 | The Scheme Is Shattered! Vegeta Strikes Back at Zarbon! | 9.0 | 5 | Oct 4, 2009 |
| #8 | Season 1, Ep 14 | An All-Out Kamehame-Ha! Vegeta's Terrible Transformation! | 9.0 | 4 | Jul 5, 2009 |
| #9 | Season 1, Ep 12 | Farewell, Piccolo! Goku's Furious Counterattack! | 8.8 | 5 | Jun 21, 2009 |
| #10 | Season 1, Ep 24 | Friends Reborn! Zarbon's Hideous Transformation! | 8.8 | 5 | Sep 20, 2009 |