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.

A school dance sounds like fun -- but only if the boys can keep their music teacher from playing DJ and putting everyone to sleep.

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

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

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

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

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

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.

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!

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.

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.

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!