When Dr Frankenstein decides to retire from the monster-making business, he calls an international roster of monsters to a creepy convention to elect his successor. Everyone is there including Dracula, The Werewolf, The Creature, Dr Jekyll & Mr Hyde and many more. But Frankenstein's title is not all that is at stake. The famous doctor has also discovered the secret of total destruction that must not fall into the wrong hands!
Mad Monster Party? is a 1967 stop-motion animated musical comedy film produced by Rankin/Bass Productions for Embassy Pictures. The film stars the voices of Boris Karloff, Allen Swift, Gale Garnett and Phyllis Diller. It tells the story of a mad scientist who achieves the secret of total destruction as he summons all the monsters to his island home to show it off while planning to retire as the head of the "Worldwide Organization of Monsters".