When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!
The Spooky Tale of Captain Underpants Hack-a-ween was directed by Seung Woo Cha and Kevin Peaty.
The Spooky Tale of Captain Underpants Hack-a-ween runs for 46min, and was released in 2019.
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