Easy voting:
5 - Directing the play about tooth decay in "Royal Pudding"
4 - Fighting Mr. Hat on the bus in "World Wide Recorder Concert"
3 - Singing "Carol of the Bells" in "Mr. Hankey's Christmas Classics"
2 - Being on drugs in "Ike's Wee Wee"
1 - Singing "It's Easy, M'Kay" in "South Park: Bigger, Longer, and Uncut"