S1·E12 Captain Underpants and the Sickening Fumes of Smartsy Fartsy
Aired July 13, 2018 24 min ★ 10.0/10 · 1 TMDB votes
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.
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Director & writers
Octavio E. RodriguezDirectorSindy Boveda-SpackmanWriter
Guest stars
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