Seasons & episodes
S1 · E1Captain Underpants and the Frenzied Farts of Flabby Flabulous 2018-07-13 · 24 min
George 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.
S1 · E2Captain Underpants and the Dreadful Debacle of DJ Drowsy Drawers 2018-07-13 · 24 min
A school dance sounds like fun -- but only if the boys can keep their music teacher from playing DJ and putting everyone to sleep.
S1 · E3Captain Underpants and the Horrible Hostilities of the Homework Hydra 2018-07-13 · 24 min
To 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.
S1 · E4Captain Underpants and the Vexing Villiany of the Vile Vimpire 2018-07-13 · 24 min
After Erica critiques their comic book, George and Harold create a brand-new character -- a vampire who sucks the joy out of everything.
S1 · E5Captain Underpants and the Terrifying Perilous Misfortune of the T.P. Mummy 2018-07-13 · 24 min
A T.P. prank gone wrong leads to clogged toilets -- and a fateful explosion -- that turns the boys' new French teacher into a mummy.
S1 · E6Captain Underpants and the Squishy Predicament of the Stanley Peet's Stinky Pits 2018-07-13 · 24 min
Holy guacamole! George and Harold are so determined to win an avocado-growing contest that they accidentally turn their science teacher into a monster.
S1 · E7Captain Underpants and the Costly Conundrum of the Calamitous Claylossus 2018-07-13 · 24 min
Rumors swirl around the shadowy Bo Hweemuth, a mysterious student with secret gifts who has the whole school living in fear.
S1 · E8Captain Underpants and the Jarring Jerkiness of the Judge J.O.R.T.S. 2018-07-13 · 24 min
The boys' latest comic inspires their jorts-wearing Spanish teacher to become a superhero with otherworldly powers.
S1 · E9Captain Underpants and the Strange Strife of the Smelly Socktopus 2018-07-13 · 24 min
After Erica compares her suspension to a vacation, a jealous George and Harold pull every prank in the book so they can get suspended, too.
S1 · E10Captain Underpants and the Flustering Mindless Woe of the Flushable Memory Wipes 2018-07-13 · 24 min
A chocolate-pudding "incident" sends George and Harold into hiding. But there's a new principal when they come back -- and no one remembers them!
S1 · E11Captain Underpants and the Soggy Salvation of the Swirling Sweatnami 2018-07-13 · 24 min
The 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.
S1 · E12Captain Underpants and the Sickening Fumes of Smartsy Fartsy 2018-07-13 · 24 min
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.
S1 · E13Captain Underpants and the Troublesome Treachery of the Thieving Toot Fairy 2018-07-13 · 24 min
It'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!
S2 · E1Captain Underpants and the Tenuous Takedown of the Tyrannical Teachertrons 2019-02-08 · 24 min
With Mr. Krupp gone and two terrible Melvins in charge, Harold and George fight back by hypnotizing their gym teacher, Mr. Meaner.
S2 · E2Captain Underpants and the Frantic Fury of the Fearsome Furculees 2019-02-08 · 24 min
The boys recruit kids to join the M.I.S.F.A.R.T.S. -- the Mega Incredible Search Force Adventure Rescue Team Squad -- and bring Mr. Krupp back to School.
S2 · E3Captain Underpants and the Harmful Horrors of the Harrowing Hiveschool 2019-02-08 · 24 min
After injecting all the teachers with bee DNA, the Melvins run the new "hive mind" of the school -- until Ms. Ribble accidentally becomes queen bee.
S2 · E4Captain Underpants and the Preposterous Pulverizing of the Pestering Poopacabra 2019-02-08 · 24 min
George and Harold train a rat for extra credit. But when their subject escapes into the sewers, he's doused with toxic waste and becomes ... Poopacabra!
S2 · E5Captain Underpants and the Dastardly Deed of the Devious Diddlysaurus 2019-02-08 · 24 min
Who knew a thawed-out dinosaur could read comics and pull pranks? Well, this one does -- and he's one of Harold and George's biggest fans.
S2 · E6Captain Underpants and the Shadowy Syndrome of the Sinister Splotch 2019-02-08 · 24 min
Captain Underpants becomes a wanted man when a criminal who looks just like him starts robbing banks. Can George and Harold help clear his name?
S2 · E7Captain Underpants and the Bizarre Blitzkrieg of the Bothersome Butt-erflies 2019-02-08 · 24 min
The boys use Melvin's new animal hybrid invention to make a creature that's a cross between a butt and a fly. But these butt-erflies are real monsters!
S2 · E8Captain Underpants and the Problematic Pandemonium of the Punishing Plungerina 2019-02-08 · 24 min
After George and Harold work with Erica to create a new comic book hero, she springs off the page -- and plunges into real-life crime fighting.
S2 · E9Captain Underpants and the Bombastic Blathering of Brainy Blabulous 2019-02-08 · 24 min
The boys transfer to a bizarro version of Jerome Horwitz Elementary, where the teachers are nice, the kids are good ... and fun is nowhere to be found.
S2 · E10Captain Underpants and the Crazy Caustic Spray of the Contagious Cruelius Sneezer 2019-02-08 · 24 min
George and Harold trick Melvin into turning their bus into a time machine so they can reroute their field trip and see what ancient Rome was really like.
S2 · E11Captain Underpants and the Trashy Tale of the Tumultuous Tubbadump 2019-02-08 · 24 min
The Melvins' latest invention sends the boys' Dump Day "trash-alanche" into another dimension -- and inadvertently summons a monster.