1. Captain Underpants and the Frenzied Farts of Flabby Flabulous

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.

3. Captain Underpants and the Horrible Hostilities of the Homework Hydra

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.

4. Captain Underpants and the Vexing Villiany of the Vile Vimpire

After Erica critiques their comic book, George and Harold create a brand-new character -- a vampire who sucks the joy out of everything.

5. Captain Underpants and the Terrifying Perilous Misfortune of the T.P. Mummy

A T.P. prank gone wrong leads to clogged toilets -- and a fateful explosion -- that turns the boys' new French teacher into a mummy.

6. Captain Underpants and the Squishy Predicament of the Stanley Peet's Stinky Pits

Holy guacamole! George and Harold are so determined to win an avocado-growing contest that they accidentally turn their science teacher into a monster.

7. Captain Underpants and the Costly Conundrum of the Calamitous Claylossus

Rumors swirl around the shadowy Bo Hweemuth, a mysterious student with secret gifts who has the whole school living in fear.

8. Captain Underpants and the Jarring Jerkiness of the Judge J.O.R.T.S.

The boys' latest comic inspires their jorts-wearing Spanish teacher to become a superhero with otherworldly powers.

9. Captain Underpants and the Strange Strife of the Smelly Socktopus

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.

10. Captain Underpants and the Flustering Mindless Woe of the Flushable Memory Wipes

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!

11. Captain Underpants and the Soggy Salvation of the Swirling Sweatnami

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.

12. Captain Underpants and the Sickening Fumes of Smartsy Fartsy

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.

13. Captain Underpants and the Troublesome Treachery of the Thieving Toot Fairy

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!