Complete Collector's Edition: Underdog is a 20 minute animation-children . The series premiered on Sat Oct 03, 1964 on NBC and Safe Waif, March of the Monsters, Simon Says (S01E01) last aired on Sat Oct 03, 1964.
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On this page, you must only post things that will help other users decide if they should start the show or not. To talk about specific episodes, go on the episode page.