The Spooky Tale of Captain Underpants Hack-a-ween (2019)
When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!
- Released: 2019-10-07
- Genres: Comedy, Animation, Family
- Director: Seung Woo Cha
- Cast: Nat Faxon, Jay Gragnani, Ramone Hamilton, Sean Astin, Dayci Brookshire, Clancy Brown
- Runtime: 46 min
