Overview
Loopy unknowingly befriends a scientist who turns into a monster on and off without Loopy knowing that the monster is really him.
Year 1961
Studio Hanna-Barbera Cartoons
Director Joseph Barbera, William Hanna
Crew Joseph Barbera (Director), William Hanna (Producer), William Hanna (Director), Warren Foster (Story), Joseph Barbera (Producer)
Popularity 0
Language English
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