While in Europe searching for their missing father, the Hardy Boys meet Nancy Drew and team up on a case that takes them to a rock festival in Transylvania held at Dracula's castle.

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Main Cast: Shaun Cassidy, Parker Stevenson, Pamela Sue Martin, Paul Williams, John van Dreelen, Leon Askin, Lorne Greene, Ed Gilbert, Ruth Cox, Carl Esmond

Director: Joseph Pevney

Writers: Glen A. Larson, Michael Sloan

Editor:

Cinematographer:

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