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

Overview

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

Guest Stars

Stephen Root

Mr. Fyde / Avacadwoe / Hush Muffleman (voice)

Patty Mattson

Miss Anthrope / Chalice Aristocrab (voice)

Maggie Wheeler

Lunch Lady (voice)