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The polar ice caps have melted due to global warming. The human race has been stuck on one island as the marine life begins to evolve. Kids use a submarine and the help of their robot companions to explore the depths and come upon an ancient secret underwater civilization with treasure. It's a new h...
Source: MyAnimeList
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Top-rated adventure anime ranked by score.
Top-rated kids anime ranked by score.
Chronological viewing order for franchises with movies and OVAs.
Streaming platforms and availability for popular anime.
Where to start reading once an adaptation ends.
