The Flintstones and Rubbles win a trip on Make a Deal or Don't. Their destination is Count Rockula's castle in Rocksylvania, where they have an unpleasant meeting with the Count and his servant, Frankenstone.
- Gay Autterson as Betty Rubble
- Mel Blanc as Barney Rubble and Dino
- Ted Cassidy as Frankenstone
- Henry Corden as Fred Flintstone
- Casey Kasem as Monty Marble
- Don Messick as Igor
- John Stephenson as Count Rockula
- Jean Vander Pyl as Wilma Flintstone and Gladys
- Lennie Weinrib as Mr. Silika
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