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.
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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.
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Laura Vandervoort , Tod Fennell , Maria Vacratsis
William Fruet
Scholastic Productions , Protocol Entertainment
as Sheena Deep
as Billy Deep