The Thirteenth Year
1999, English. Directed by Duwayne Dunham.
Cody's not just growing up... he's growing fins!
A teen learns that his birth mother is a mermaid after he begins to grow fins and slimy scales on his thirteenth birthday.
- Runtime
- 1h 35m
- Post-credits
- None listed
- Language
- English
- Rated
- G
Start now and it ends at ….
Popcorn Flick
Fun if you don’t overthink it.
6.6/10 from 259 TMDB viewer ratings.
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Where to watch The Thirteenth Year
The Thirteenth Year is streaming on Disney Plus in India.
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YouTubeAvailability in India as of 9 November 2026. Streaming data by JustWatch.
Cast & crew
- Duwayne DunhamDirector
- Chez StarbuckCody Griffin
- Justin Jon RossJess Wheatley
- Courtnee DraperSam
- Brent BriscoeBig John
- Tim RedwineSean Marshall
- Dave CoulierWhit Griffin
- Lisa StahlSharon Griffin
- Kristen StewartGirl in Fountain Line (uncredited)
- Brian HaleyCoach
- Karen MaruyamaMrs. Nelson
- Regan BurnsJoe
- Joel McKinnon MillerHal
Details
- Released
- 15 May 1999
- Country
- United States of America
- Written by
- Jenny Arata
Check ratings elsewhere
News & fan talk
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The Thirteenth Year: quick answers
Is The Thirteenth Year worth watching?
Our verdict is Popcorn Flick: Fun if you don’t overthink it. It scores 6.6/10 from 259 TMDB viewer ratings.
How long is The Thirteenth Year?
The Thirteenth Year runs 95 minutes (1h 35m).
Does The Thirteenth Year have a post-credits scene?
None is listed for The Thirteenth Year. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
The Thirteenth Year parents guide: is it suitable for kids?
The Thirteenth Year is rated G in India. That rating means it is generally fine for children.
Which OTT platform is The Thirteenth Year on?
The Thirteenth Year is streaming on Disney Plus in India. (Checked 9 November 2026.)
What movies are like The Thirteenth Year?
If you liked The Thirteenth Year, try Camp Nowhere, The Luck of the Irish, Twitches.
Who directed The Thirteenth Year?
The Thirteenth Year (1999) was directed by Duwayne Dunham and stars Chez Starbuck, Justin Jon Ross, Courtnee Draper.