Billy and Sheena visit their Uncle Harold on an island in the Caribbean, but while exploring under water they find something terrible lurking deep below the sea.
Billy and Sheena visit their Uncle Harold on an island in the Caribbean, but while exploring under water they find something terrible lurking deep below the sea.
Laura Vandervoort , Tod Fennell , Maria Vacratsis
William Fruet
Scholastic Productions , Protocol Entertainment
as Sheena Deep
as Billy Deep