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.

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.

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.

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?

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!

The Melvins' latest invention sends the boys' Dump Day "trash-alanche" into another dimension -- and inadvertently summons a monster.

Harold and George can't wait to spend the summer together at camp. But not so fast, boys -- your old nemesis Mr. Krupp has a most unpleasant surprise.

A run-of-the-mill arts and crafts session turns into an interdimensional adventure from which Harold, George and company may never return.

A fierce game of plot potato takes an unexpected twist when Melvin

It's parents' weekend at Lake Summer Camp, and Krupp's eager to make amends with Harold and George ... or so he says.