Seasons and episodes
1Season 1 Jul. 14, 2018
1 - 1Deep Blue Jul. 14, 2018
1 - 2Underwater Jul. 21, 2018
1 - 3A New World Jul. 28, 2018
1 - 4The Male Beauty Pageant Aug. 04, 2018
1 - 5Too Late Aug. 11, 2018
1 - 6First Buddy Aug. 18, 2018
1 - 7Doubles Aug. 25, 2018
1 - 8Men's Cocktails Sep. 01, 2018
1 - 9Truth or Dare Sep. 08, 2018
1 - 10Arrival in Okinawa Sep. 15, 2018
1 - 11You Have the Wrong Idea Sep. 22, 2018
1 - 12Otori Sep. 29, 2018
3Season 3 Jul. 07, 2026
3 - 1Unfinished Business Jul. 07, 2026
3 - 2Homecoming Jul. 14, 2026
3 - 3Saving Private Passport Jul. 21, 2026
3 - 4The Oceans of Palau Jul. 28, 2026
3 - 5TV Special Aug. 04, 2026
3 - 6Assist Aug. 11, 2026
3 - 7Mother Aug. 18, 2026
3 - 8Mixer, Round 2 Aug. 25, 2026
3 - 9Episode 9 Aug. 25, 2026
3 - 10Lottery Sep. 08, 2026
Creator
Cast
Iori Kitahara (voice)
Kouhei Imamura (voice)
Chisa Kotegawa (voice)
Aina Yoshiwara (voice)
Azusa Hamaoka (voice)
Nanaka Kotegawa (voice)
Ryuujirou Kotobuki (voice)
Shinji Tokita (voice)
Synopsis
A college student joins the local diving club after meeting some rowdy upperclassmen. New adventures in booze and the ocean await. 
Original title ぐらんぶる
TMDb Rating 7.8 164 votes
First air date Jul. 14, 2018
Last air date Sep. 23, 2025
Seasons 3
Episodes 24
Average Duration 24 minutes
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