Deon Richmond was cast as Gus' new boss to show once and for all that he and not Dulé Hill had played Bud on The Cosby Show (1984). Deon also spoofed Dulé's She's All That (1999) character in Not Another Teen Movie (2001).
Throughout the series, there is a running gag where it is stated that Gus played the character Bud on "The Cosby Show." The actual actor who played Bud, Deon Richmond, guests in this episode as Gus' new boss. After leaving their initial meeting, he tells Gus "Take it easy, Bud" an obvious reference to this joke.
Billy Zane, who guest stars on the finale, was referenced in several episodes throughout the series.
When Woody is performing the autopsy on the corpse Shawn and Gus found he tells Shawn the victim's name is Chris Cheramie. This is also the name of one of the shows co-producers.
Spot the Pineapple: there is a pineapple on the desk behind the new secretary, and there is also one on the window sill above Henry's kitchen sink.