Loopy unknowingly befriends a scientist who turns into a monster on and off without Loopy knowing that the monster is really him.
Released: Apr 06, 1961
Runtime: 7 minutes
Genre: Animation
Stars: Daws Butler, Hal Smith, Don Messick
Crew: Joseph Barbera (Director), William Hanna (Director), Warren Foster (Story), Joseph Barbera (Producer), William Hanna (Producer)