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Billy and his sister, Sheena, are visiting their uncle Dr. Deep on a tiny Caribbean island. It's the perfect place to go exploring underwater...and Billy's ready for an adventure. There's only one rule to remember: Stay away from the coral reefs. Still, the reefs are so beautiful. So peaceful. Billy can't resist. But he's not alone in the water. Something's lurking deep below the surface. Something dark and scaly. Something that's half-human, half-fish...
Billy and his sister, Sheena, are visiting their uncle Dr. Deep on a tiny Caribbean island. It's the perfect place to go exploring underwater...and Billy's ready for an adventure. There's only one rule to remember: Stay away from the coral reefs. Still, the reefs are so beautiful. So peaceful. Billy can't resist. But he's not alone in the water. Something's lurking deep below the surface. Something dark and scaly. Something that's half-human, half-fish...
Guest stars

Yani Gellman
Young Man

Mark Ellis
Jake Ritter

Daniel MacPherson
Kid

Laura Vandervoort
Sheena Deep

Tod Fennell
Billy Deep

Paul Miller
Dr. Harold Deep

Maria Vacratsis
Janet

Carson Manning
Sea Monster (uncredited)
Crew

William Fruet
Director