George and Harold are up to their usual tricks. Last time they hypnotized Principal Krupp into believing he was Captain Underpants. Now, by mistake, they bring to life the most disgusting, life-threatening monster--the terrible Turbo Toilet 2000. Can anyone save the school from the terrifying... read more
Preceded by The Adventures of Captain Underpants, and followed by Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space (and the Subsequent Assault of the Equally Evil Lunchroom Zombie Nerds).
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