A movie poster hangs in Shawn's apartment.
Shawn asks Garth, "What do I call you? Mr. Blond? Mr. Pink?"
During a car chase, Shawn compares Gus to Vin Diesel, while Gus compares Shawn to Paul Walker and Juliet to Michelle Rodriguez.
Lassiter says he thinks he has the start of Lyme Disease. It is suggested (also incorrectly) that Michael Rooker's character in "Slither" has Lyme Disease.
Gus says, "You could be Lucas Black from 'Tokyo Drift.'"
Gus learns that Shawn has recently searched for "Mentalist" spoliers on his computer.