The Spooky Tale of Captain Underpants Hack-a-ween
Where are all of the Halloween decorations?
2019•46 min
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When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!
Director: Seung Woo Cha, Kevin Peaty
Writers: Mark Banker, Matt Smith, Dav Pilkey
Where to watch
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