The story revolves around Haruka Nanase, a boy who has always loved to be immersed in water, and to swim in it. Before graduating from elementary school, he participated in a swimming tournament along with his fellow swimming club members, Makoto Tachibana, Nagisa Hazuki, and Rin Matsuoka. After achieving victory, each of the boys went their separate ways. Time passed, and in the middle of their uneventful high school lives Rin appears and challenges Haruka to a match, showing Haruka his overwhelming power. Not wanting it to end like this, Haruka, gathers together Makoto and Nagisa once again and brings a new member named Rei Ryugazaki to create the Iwatobi High School Swimming Club in order to defeat Rin.
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The peak run. Top 40% of seasons by average rating — consecutive, with an average of 6.21.
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Nobunaga Shimazaki
Haruka Nanase (voice)
Daisuke Hirakawa
Rei Ryugazaki (voice)
Akeno Watanabe
Gou Matsuoka (voice)
Kenjiro Tsuda
Seijuro Mikoshiba (voice)
Mamoru Miyano
Rin Matsuoka (voice)
Hiroshi Yanaka
Gorou Sasabe (voice)
Tatsuhisa Suzuki
Makoto Tachibana (voice)
Satsuki Yukino
Miho Amakata (voice)
Kouki Miyata
Aiichiro Nitori (voice)
Yoshimasa Hosoya
Sosuke Yamazaki (voice)
All 26 episodes plotted by IMDb rating
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This may take a moment for shows with many seasons.
12 episodes • 2013Avg: 5.8
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Reunion at the Starting Block! | Jul 4, 2013 | 6.2 |
| 2 | Memories in the Distance! | Jul 11, 2013 | 6.0 |
| 3 | Theoretical Dolphin Kick! | Jul 18, 2013 | 6.0 |
| 4 | Captive Butterfly | Jul 25, 2013 | 6.6 |
| 5 | Trial in Open Water | Aug 8, 2013 | 6.0 |
| 6 | Shocking No Breathing | Aug 15, 2013 | 5.3 |
| 7 | One Style Final! | Aug 21, 2013 | 5.7 |
| 8 | Revenge in the Medley! | Aug 29, 2013 | 5.7 |
| 9 | Hesitant Loosen Up | Sep 5, 2013 | 6.0 |
| 10 | Irritated Heart Rate | Sep 12, 2013 | 5.0 |
| 11 | Furious All-out | Sep 19, 2013 | 5.0 |
| 12 | Distant Free | Sep 26, 2013 | 5.7 |
13 episodes • 2014Avg: 6.2Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Stormy Dash-Dive! | Jul 3, 2014 | 6.7 |
| 2 | Stroke of an Unexpected Meeting! | Jul 10, 2014 | 6.0 |
| 3 | The Butterfly of Farewell! | Jul 17, 2014 | 6.0 |
| 4 | The Promise's Somersault Turn! | Jul 24, 2014 | 6.5 |
| 5 | A Resolution's Heads-Up! | Jul 31, 2014 | 6.5 |
| 6 | Invincible Prime! | Aug 7, 2014 | 6.5 |
| 7 | The Crouching Start of Vindication! | Aug 14, 2014 | 6.0 |
| 8 | The Locomotive of a Twist! | Aug 21, 2014 | 6.0 |
| 9 | Forming of a Slump! | Aug 28, 2014 | 6.0 |
| 10 | The Six-Beat Kick of Tears! | Sep 4, 2014 | 5.5 |
| 11 | The Open Turn of Destiny! | Sep 11, 2014 | 6.0 |
| 12 | A Swim-Off in a Foreign Land! | Sep 18, 2014 | 6.5 |
| 13 | The Eternal Summer of Beginnings! | Sep 25, 2014 | 6.5 |
12 episodes • 2018Avg: 3.0Valley of Despair
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Sprouting Dive Start! | Jul 12, 2018 | 0.0 |
| 2 | A Promise on a Shooting Star! | Jul 19, 2018 | 0.0 |
| 3 | First Swim in Another Country! | Jul 26, 2018 | 0.0 |
| 4 | Interference of Loss! | Aug 2, 2018 | 0.0 |
| 5 | An Ominous Workout! | Aug 9, 2018 | 0.0 |
| 6 | The Mermaid of the Abyss! | Aug 16, 2018 | 0.0 |
| 7 | A Solitary Medley! | Aug 23, 2018 | 0.0 |
| 8 | Metamorphosis of the Soul! | Aug 30, 2018 | 0.0 |
| 9 | Interval in the Evening Calm! | Sep 6, 2018 | 0.0 |
| 10 | The Grab Start of Hope! | Sep 13, 2018 | 0.0 |
| 11 | Streamline of Unity! | Sep 20, 2018 | 0.0 |
| 12 | Dive to the Future! | Sep 27, 2018 | 3.0 |
