[s21e8]: Moss Piglets

: Special ops teams eventually raid the science fair to secure the "intellectual property" of the moss piglets.

: The tardigrades are taken away, leaving the kids' projects in ruins, while Heidi's transformation into a "female Cartman" is fully realized.

President Garrison (the show’s surrogate for Donald Trump) becomes obsessed with the science fair. [S21E8] Moss Piglets

: The tardigrades become highly intelligent after being exposed to Taylor Swift's music, eventually learning to dance and perform complex synchronized movements. The Transformation of Heidi Turner

: Heidi adopts Cartman’s victim mentality and aggressive rhetoric. By the end of the episode, she has become just as manipulative and mean-spirited as Eric himself. The Presidential Interference : Special ops teams eventually raid the science

: Government officials fear that the intelligent tardigrades could be used for advanced military research or surveillance.

: To keep her from leaving, Cartman manipulates Heidi into eating "Beyond KFC," which is actually just more fried chicken. She begins to physically resemble him. : The tardigrades become highly intelligent after being

Nathan and Mimsy, recurring rivals of Jimmy, enter the South Park Elementary Special Ed Science Fair.