

Captain Underpants Mega Blissmas
2020 · 45 min · Animation, Family, ComedyG
Christmas gets weird — really weird — after George and Harold go back in time to change up a few of their beloved holiday's traditions.
- Directors
- Erik Kling, Kevin Peaty
- Writers
- Dav Pilkey, Matt Smith, Mark Banker
- Released
- December 3, 2020
- Language
- English
Cast

Nat Faxon
Captain Underpants / Mr. Krupp (voice)

Jay Gragnani
Harold (voice)

Ramone Hamilton
George (voice)

Sean Astin
Narrator (voice)

Dayci Brookshire
Jessica / Dressy (voice)

Jim Cummings
Santa (voice)

Jorge Diaz
Melvin / Stanley Peet (voice)

Peter Hastings
Comic Narrator (voice)

Evan Kishiyama
Steve 'Gooch' Yamaguchi (voice)

David Koechner
Mr. Meaner (voice)

Erica Luttrell
Erica / George's Mom (voice)

Patty Mattson
Miss Anthrope / Harold's Mom (voice)
Where to watch in the US
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Streaming data from JustWatch, via TMDB.