Butterballs/Trivia

Trivia

 * Matt Stone and Trey Parker's normal voices are heard in the music video.
 * The cruelty of Butters Grandmother continues the familial abuse caused by his Parents.

Continuity

 * Butters assumes his alter ego, Professor Chaos, as a way to gain confidence and stand up against his abusive Grandma. Professor Chaos was last seen in "Coon vs. Coon & Friends".
 * This episode marks the first appearance of Grandma Stotch.
 * Mr. Mackey has faced his past bullies in order to cure his hoarding in "Insheeption".
 * Jesus was seen in this episode; this is his first appearance since "201".

References to Popular Culture

 * The bullying documentary made by Stan is a direct reference to Bully, a film which was theatrically released the previous month.
 * Stan's success of the Make Bullying Kill Itself video leads to his public breakdown in San Diego, California references Jason Russel of the Kony 2012 viral video campaign.

Goofs

 * At the school assembly, 3 duplicates of Sally Turner can be seen in the audience.