When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!
October 8, 2019
Released
The Spooky Tale of Captain Underpants: Hack-a-ween
46min
—
English, Portuguese
Scholastic ProductionsTitmouseDreamWorks Animation Television
2017
2020
2021
2019
2018
2023
2014
2022
2016
2015
Part of
Includes: Captain Underpants: The First Epic Movie, The Spooky Tale of Captain Underpants: Hack-a-ween, Captain Underpants: Epic Choice-o-rama, Captain Underpants: Mega Blissmas
