Roger Ebert Should Lay off the Fatty Foods/Trivia

Hidden Visitor(s)
Before Liane tells Cartman to not pick his nose you can see two glowing visitor eyes and around them, a visitor's body.

Mr. Garrison's Learning Plan

 * Barnaby Jones as Cultural Text
 * Taking the children to the planetarium
 * Haiku

Trivia

 * This is one of the few times Cartman saves the day, even if he was unaware of it at the time.
 * Cartman's grandmother, Mable Cartman appears for the first time on the phone to Cartman.
 * Mr. Mackey says for the only time "Drugs are good" in order to convince the kid from the planetarium that it was okay to let Nurse Gollum sedate him.
 * When Mr. Garrison is absent from the hypnotizing room, Dr Adams can be heard pronouncing planetarium correctly despite his disorder.