Dr. Janus has another episode and pleads for Butters' help.
Lu Kim's terrible secret is revealed to South Park.
Concerned over Butters' mental state, his parents take him to a therapist.
The turf war kicks up a notch, while Butters' mental state worsens.
The mystery is solved but the town decides they'd rather have Chinese food.
Searching for answers, Butters videotapes his sleep patterns.
Butters informs Mr. Lu Kim about South Park's new sushi restaurant.
Butters sits down with Dr. Janus to sort out his mental issues.
Lu Kim and the City Sushi Guy agree to settle their differences.
Butters gets into more trouble, as Lu Kim plans an Asian Diversity Festival.
Lu Kim and the City Sushi Guy hold an Asian Diversity Assembly.
Lu Kim confronts the owner of City Sushi.
Butters' parents take him to see a specialist.