The Thirteenth Year (1999)
The Thirteenth Year (1999) is a TV Movie, Adventure, Comedy, Family film directed by Duwayne Dunham, rated 6.6/10 by 250 viewers.
A teen learns that his birth mother is a mermaid after he begins to grow fins and slimy scales on his thirteenth birthday.
Where to stream (US): Disney Plus.
Directed by Duwayne Dunham. Starring Chez Starbuck, Justin Jon Ross, Courtnee Draper, Brent Briscoe, Tim Redwine.