The Thirteenth Year (1999)
1999 · TV Movie, Adventure, Comedy, Family · 95 min · ★ 6.6
A teen learns that his birth mother is a mermaid after he begins to grow fins and slimy scales on his thirteenth birthday.
Chez Starbuck, Justin Jon Ross, Courtnee Draper, Brent Briscoe, Tim Redwine, Dave Coulier