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The Angry Abnormal Atrocities of the Astute Animal Aggressors is the twenty-eighth episode of The Epic Tales of Captain Underpants and the second episode of Season 3.


George and Harold make a possum smart, which is part of the plan to put them in the same camp. But when Ragely J. Snarlingtooth (the possum) turns against them and turns the children at camp into servants, it's time for Captain Underpants and three more extra smart animals (a raccoon, snake, and water buffalo), who make the Advancimals (a show introduced in The Preposterous Pulverizing of the Pestering Poopacabra)!


  • Lewis Black guest stars as Ragely. 
  • Moral: Treat others the way you want to be treated. 
  • This episode reveals that Mr. Krupp had didelphiphobia (a fear of possums) since he was a child.
  • Harold and George finally get to be together at the same camp at the end of the episode, all thanks to the possum and all the other animals.