While Shawn introducing gus as "Eddie Adams from Torrance" is a direct reference to Mark Wahlberg's character from "Boogie Nights" it also works as a dual reference as this episode is a spoof of "The Shining" in which the last name of Jack Nicholson's character is "Torrance"
The chairs inside Lassiter's condo are mysteriously stacked on top of each other in the same manner as the chairs in the Freelings' house in "Poltergeist."
Lassiter's neighbor Rose Marie spoofs Mia Farrow's character (Rosemary) in "Rosemary's Baby." She has the same haircut, is also pregnant, and her last name is "Farrow."