Captain Caveman & the Teen Angels

The Teen Angels are invited to a disco party aboard the fabulous Queen Mary ocean liner. As they watch a famous dance team on stage, the lights to out--and an ominous phantom steals the furs and jewels from all the ship's guests. When the lights go back on, the Angels and Cavey discover grease marks leading to a lifeboat containing the mysterious thief: Rocky Rolly, the ship's disc jockey, who used all the ship's electrical equipment in the commission of his crime.