Shawn refers to Gus as "chocolate Columbo."
While looking at Juliet's doodles, Shawn says, "This horse looks nothing like My Little Pony."
Characters complain about a movie adaptation of a comic book where nipples were added to the superhero's suit.
Shawn mentions Professor X.
Gus mentions the Judgement Day Theme.
Shawn refers to Gus as Urkel.
Gus mentions it to George Takei.
Shawn tells Gus that he ran into "a guy in a wolf costume with a light saber" at the comic convention.
Shawn refers to Juliet as Jan Brady.
Shawn references Sulu, Chekov, and Scotty.