The Epic Tales of Captain Underpants Season 1 Episode 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.
Guest Stars
Stephen Root
Mr. Fyde / Avacadwoe / Hush Muffleman (voice)
Patty Mattson
Miss Anthrope / Chalice Aristocrab (voice)
Maggie Wheeler
Lunch Lady (voice)