Chad Lowe as Cosmic Boy / Rokk Krinn (voice)
Episodes 1
New Kids in Town
October 31, 1998
•
21m
3x3
Brainiac travels back in time from the year 2979 to destroy a young Clark Kent before he can become Superman. The Legion of Superheroes, however, send three of their own to stop him: Saturn Girl, Cosmic Boy, and Chameleon Boy.
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