Keeping Up with the Kryptonians

Series
US
43 minutes
Released

- Release Date: 16 December 2016 (US) (more)
- Genre: Animation

Mr. Mxyzptlk shows both Supergirl and Superman the dark sides they might have.

Director:
Jake Castorena (Director)
Doug Murphy (Director)
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Writer:
Bill Finger (Writer)
Bob Kane (Writer)
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Cast

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