The Flintstones Meet Rockula and Frankenstone (1979)

Plot

The Flintstones and the Rubbles strike it lucky on the game show "Make a Deal or Don't," winning a trip to Count Rockula's eerie castle in Rocksylvania. Their excitement quickly turns sour upon encountering the eccentric Count and his bumbling assistant, Frankenstone. The group navigates a series of spooky misadventures as they attempt to escape the castle’s creepy charm. With humorous twists and a blend of classic horror elements, the Flintstones and Rubbles must outwit their monstrous hosts to find their way back home.