Season 1
13 episodes · Jul 13, 2018
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S1E1Captain Underpants and the Frenzied Farts of Flabby Flabulous
Jul 13, 201824mGeorge and Harold get revenge on their gym teacher by writing him into a ridiculous new comic. But the joke's on them when life imitates art.
S1E2Captain Underpants and the Dreadful Debacle of DJ Drowsy Drawers
Jul 13, 201824mA school dance sounds like fun -- but only if the boys can keep their music teacher from playing DJ and putting everyone to sleep.
S1E3Captain Underpants and the Horrible Hostilities of the Homework Hydra
Jul 13, 201824mTo get out of an epic assignment, George and Harold go back in time to the moment homework was invented to try and stop it before it starts.
S1E4Captain Underpants and the Vexing Villiany of the Vile Vimpire
Jul 13, 201824mAfter Erica critiques their comic book, George and Harold create a brand-new character -- a vampire who sucks the joy out of everything.
S1E5Captain Underpants and the Terrifying Perilous Misfortune of the T.P. Mummy
Jul 13, 201824mA T.P. prank gone wrong leads to clogged toilets -- and a fateful explosion -- that turns the boys' new French teacher into a mummy.
S1E6Captain Underpants and the Squishy Predicament of the Stanley Peet's Stinky Pits
Jul 13, 201824mHoly guacamole! George and Harold are so determined to win an avocado-growing contest that they accidentally turn their science teacher into a monster.
S1E7Captain Underpants and the Costly Conundrum of the Calamitous Claylossus
Jul 13, 201824mRumors swirl around the shadowy Bo Hweemuth, a mysterious student with secret gifts who has the whole school living in fear.
S1E8Captain Underpants and the Jarring Jerkiness of the Judge J.O.R.T.S.
Jul 13, 201824mThe boys' latest comic inspires their jorts-wearing Spanish teacher to become a superhero with otherworldly powers.
S1E9Captain Underpants and the Strange Strife of the Smelly Socktopus
Jul 13, 201824mAfter Erica compares her suspension to a vacation, a jealous George and Harold pull every prank in the book so they can get suspended, too.
S1E10Captain Underpants and the Flustering Mindless Woe of the Flushable Memory Wipes
Jul 13, 201824mA chocolate-pudding "incident" sends George and Harold into hiding. But there's a new principal when they come back -- and no one remembers them!
S1E11Captain Underpants and the Soggy Salvation of the Swirling Sweatnami
Jul 13, 201824mThe boys travel back in time to stop Mr. Krupp from becoming a bully, only to find that their plan has turned him into a ruthless businessman.
S1E12Captain Underpants and the Sickening Fumes of Smartsy Fartsy
Jul 13, 201824mTo 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.
S1E13Captain Underpants and the Troublesome Treachery of the Thieving Toot Fairy
Jul 13, 201824mIt's a race against time as George and Harold try to get Mr. Krupp fired before he can have them expelled. But first: a faceoff with the Toot Fairy!