The Thirteenth Year (1999)

After he begins to grow fins and slimy scales on his thirteenth birthday, Cody learns that his birthmother is a mermaid.

Director: Duwayne Dunham

Cast: Chez Starbuck, Justin Jon Ross, Courtnee Draper, Brent Briscoe, Tim Redwine, Dave Coulier, Lisa Stahl, Brian Haley, Karen Maruyama, Regan Burns, Joel McKinnon Miller, Richard Tanner, Cameron Curtis, Craig Hauer, Sarah Elizabeth Combs, Brian Palermo, Carl Reggiardo, Maliabeth Johnson