I'll go...
+5 - Daring Scientologists to sue him at the end of "Trapped In The Closet"
+4 - Admitting he broke the dam in "Two Days Before the Day After Tomorrow"
+3 - Saving Christmas in "Woodland Critter Christmas"
+2 - Dealing with Facebook in "You Have 0 Friends"
+1 - Refusing to vote in "Douche and Turd"
HM(s) -Bribing a homeless man with alcohol to help them get tickets for "Asses of Fire" in "South Park: Bigger, Longer, and Uncut"
Tricking his "future self" by faking cutting his hand off in "My Future Self 'n' Me"
Turning cynical in "You're Getting Old"
Setting a bear-trap for Roy the step-dad in "Clubhouses"
Screaming "Oh my God, you killed Kenny," first seen in "Cartman Gets an Anal Probe"
Flipping out about how goobacks can't get his order right in "Goobacks"
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Nominate E P O N A.