The Spooky Tale of Captain Underpants Hack-a-Ween
When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!
- 2019-2019
- Netflix
- Animation, Other, Action & Adventure, Comedy, Family
- TV-PG
When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!
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