Aired: July 13, 2018 | Season: 1 | Episode: 12
Overview
Runtime: 24m
Directed by:
Written by:
Description
To steal Mr. Krupp's rule book from a tightly locked safe, the boys cook up a super-intelligent gas cloud who winds up turning against them.
Season 1 Episode 11
Captain Underpants and the Soggy Salvation of the Swirling Sweatnami
Season 1 Episode 13
Captain Underpants and the Troublesome Treachery of the Thieving Toot Fairy