Browse Extensions

Discover and stream anime online. Metadata by AniList & MyAnimeList. AnimeWatch hosts no files — playback is provided by third-party embed servers.

BrowseHome TV Series Movies Donghua Manga / Manhwa Genres

© 2026 AnimeWatch. For educational/demo purposes. This site does not store any media on its servers.

H2O: Mermaid Adventures

H2O: Mermaid Adventures

H2O: Mermaid Adventures

Animation Adventure Comedy

When three normal teenage girls stumble upon an ancient cave they undergo a transformation that will change their lives forever.

Format: TV
Episodes: 26
Duration: 25 min
Status: Airing
Season: 2015
Score: 53%

Episodes

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

H2O: Mermaid Adventures · AnimeWatch