The Three Investigators - The Secret of Terrill Castle
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Synopsis

The Three Investigators - The Secret of Terrill Castle

Based on the detective book series by Robert Arthur, ‘The Three Investigators,’ a mysterious videotape falls into the hands of Jupiter, Pete, and Bob. The tape reveals a recording from Jupiter’s parents, wanting to communicate a tricky riddle involving a once-famous inventor, Stephen Terrill. To uncover what secrets lie within Terrill Castle.