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The Thirteenth Year · Movie Vault
LibraryThe Thirteenth Year
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The Thirteenth Year

19991h 35m6.6/ 10 · TMDB · 257 votes
TV MovieAdventureComedyFamily

A teen learns that his birth mother is a mermaid after he begins to grow fins and slimy scales on his thirteenth birthday.

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Directed by Duwayne Dunham

Our screenings

A
Ansh Kapoor

No screenings recorded

Unwatched

The people behind the story

Chez Starbuck
Chez Starbuck

Cody Griffin

Justin Jon Ross

Jess Wheatley

Courtnee Draper
Courtnee Draper

Sam

Brent Briscoe
Brent Briscoe

Big John

Tim Redwine

Sean Marshall

Dave Coulier
Dave Coulier

Whit Griffin

Lisa Stahl
Lisa Stahl

Sharon Griffin

Kristen Stewart
Kristen Stewart

Girl in Fountain Line (uncredited)

Brian Haley
Brian Haley

Coach

Karen Maruyama

Where to watch

Streaming availability is not currently listed for India. Listings may be incomplete.

Last checked 9 Oct 2026.

Availability data by JustWatch via TMDB. Confirm availability with the service.

In these collections

This film has not joined a collection yet.

Film details

Released15 May 1999
Original languageEnglish
CountriesUnited States of America
View on TMDB
Karen Maruyama

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Regan Burns
Regan Burns

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Joel McKinnon Miller
Joel McKinnon Miller

Hal