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!
Released 2019 · Animation, Comedy, Family
Franchise
Studios
Characters
- Captain Underpants / Mr. Krupp
- Harold
- George
- Narrator / Mr Gigglenose
- Jessica / Dressy
- Mr. Ree
- Melvin / Stanley Peet / Melvin's Dad
- Comic Narrator
- Steve 'Gooch' Yamaguchi
- Mr. Meaner
- Erica / George's Mom
- Miss Anthrope / Harold's Mom
- Bo Hweemuth
- Diddlysaurus / George's Dad
- Melvin's Mom
- Creepy Rattlechains
- Mayor Hoppy McChapper