TV
An MSDF submarine collides with a U.S. nuclear submarine, crushing all 76 people on board, including its CO, Shiro Kaieda. However, the crew survives. The accident is a cover story to get the MSDF submarine's crew on board the Seabat, a nuclear submarine secretly built by the Japanese and U.S. governments. However, Kaieda loads the Seabat with nuclear missiles and suddenly mutinies and flees.
Last Episode Aired
2024-02-16
S1E8 — Tatsunami Sinks
The MSDF floating dock Southern Cross, which is carrying the Yamato, begins to sink under the attack of the U.S. forces. The Yamato tries to escape before the ship sinks. The Tatsunami, that was put at risk to escort the Yamato, begins to sink.
Where to Watch
Stream
Amazon Prime Video
Amazon Prime Video with Ads
Amazon Prime Video
Amazon Prime Video with Ads
Availability data provided by JustWatch via TMDB
Billed Cast
Takao Osawa
Shiro Kaieda
Hiroshi Tamaki
Fukamachi Hiroshi
Aya Ueto
Ichiya Hiromi
Yusuke Santamaria
Nanba Eiichi
Tomoya Nakamura
Irie Soshi
Aoi Nakamura
Yamanaka Eiji
Koudai Matsuoka
Irie Satoshi
Kou Maehara
Mizoguchi Takuo
Asami Mizukawa
Hayami Takako
Tao Okamoto
Funao Ryoko
Toru Tezuka
Akagaki Koji
Yoshi Sakō
Kageyama Seiji
Check-In Log
Episode Watch Tracker
Check off episodes as you watch (saved in browser — sign in anytime to sync).
Loading season episodes...
Spoiler-Safe Screening Room
Episode & Series Discussions 0
Dedicated threads unlock on each episode's premiere day. Inline [spoiler] tags stay blurred until clicked.
Join the Screening Room
Sign in to post episode reactions, fan theories, and upvote community dispatches.
Loading discussion thread...
Audience Ledger
Community Micro-Reviews
Concise 1-sentence dispatches from DidItDrop members.
No micro-reviews yet — rate 1–4★ above and log the first 1-sentence take.
Double Feature
More Like This
Recommended titles paired with The Silent Service.
