George and Harold have created an evil, super-powerful monster. She's mean - and she's having a REALLY bad hair day. With the help of her robots, the Wicked Wed
When Harold and George turn fourth-grade teacher Ms. Ribble into the evil Wedgie Woman, she gives the wedgie of doom to unsuspecting people who stand in her way
Only Captain Underpants can stop the wickedest, wildest villain yet, Wedgie Woman, who is really Ms. Ribble, a teacher at Jerome Horwitz Elementary school.