The Flintstones Meet Rockula and Frankenstone (1979)

The Flintstones Meet Rockula and Frankenstone
Animation, Family, Comedy, TV Movie
The Flintstones and the Rubbles win a trip on "Make a Deal or Don't" to Count Rockula's castle in Rocksylvania, where they have an unpleasant meeting with the Count and his servant, Frankenstone.
Starring
Henry Corden, Jean Vander Pyl, Mel Blanc, Gay Autterson, Casey Kasem, Ted Cassidy, John Stephenson, Don Messick, Lennie Weinrib
Directed By
Ray Patterson