S1·E12 Captain Underpants and the Sickening Fumes of Smartsy Fartsy
Aired July 13, 2018
Synopsis
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.
Aired July 13, 2018
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.