Movie guide
Under the Sea: A Descendants Story (2018): movie guide
Under the Sea: A Descendants Story (2018) is a Music, TV Movie, Fantasy running about 10 minutes. It holds a TMDB score of 7.1/10 from 107 votes. Notable cast includes Dove Cameron, Anna Cathcart, Thomas Doherty, Dylan Playfair. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 2018-09-28
- Runtime: 10 min
- TMDB: 7.1/10
- Genres: Music, TV Movie, Fantasy
Last updated: 2026-11-11 · First listed: 2018-09-28

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What is Under the Sea: A Descendants Story about?
Mal emerges from the shadows of a mystical forest onto a dark coastline where she crosses paths with Dizzy.
Cast highlights
Under the Sea: A Descendants Story features Dove Cameron, Anna Cathcart, Thomas Doherty, Dylan Playfair, China Anne McClain. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 2018-09-28. Runtime: 10 minutes. TMDB score: 7.1/10 (107 votes). Genres: Music, TV Movie, Fantasy. Original language: en. Status: Released.
Discover Under the Sea: A Descendants Story on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse Under the Sea: A Descendants Story, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is Under the Sea: A Descendants Story?
- Under the Sea: A Descendants Story is listed as Music, TV Movie, Fantasy on TMDB.
- How long is Under the Sea: A Descendants Story?
- Under the Sea: A Descendants Story runs about 10 minutes.
- Who stars in Under the Sea: A Descendants Story?
- Cast highlights include Dove Cameron, Anna Cathcart, Thomas Doherty, Dylan Playfair, China Anne McClain.
- Does Cinema Box stream Under the Sea: A Descendants Story?
- No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.
- Where can I track Under the Sea: A Descendants Story?








