Stan is recruited to discover the secrets of Cartman Burger.
Stan is forced to confront Kyle and get information about the secret recipe.
Stan joins the Asperger's treatment group.
Mr. Mackey talks with Stan about his depressing attitude.
Things get back to normal for Stan's family.
Cartman Burger is born. Meanwhile, Stan learns more about his condition.
Stan returns to the treatment group to learn more.
Stan gets plugged into the "real world" and visits Kyle at his new job.
Stan wakes up in the new apartment, but still seems kinda crappy.
Cartman tries to get diagnosed, while Kyle and Wendy discuss Stan's attitude.
The boys talk about Vaccination Day at school, and Stan's finally had enough.
Cartman visits the nurse with some strange symptoms.