Mr. Mxyzptlk appears in 7 episodes in this series.
The Planet of Oz
November 10, 1979
Voodoo Vampire/Invasion of the Gleeks/Mxyzptlk Strikes Again
October 11, 1980
Mxyzptlk’s Flick/The Sink Hole/The Alien Mummy
October 3, 1981
Mxyzptlk’s Revenge/The Roller Coaster/Once Upon a Poltergeist
September 10, 1983
No Honor Among Thieves/Mr. Mxyzptlk and the Magic Lamp
September 22, 1984
Island of the Dinosoids/Uncle Mxyzptlk
October 13, 1984
The Ghost Ship/The Bizarro Super Powers Team
September 18, 1985
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