Gus states that he is a "sympathetic sweater". A running gag on the show is that he is also a "sympathetic crier".
When Shawn confronts Juliet in the bar and says Wendy has gone all "single white female to his Steven Weber to her Bridget Fonda"... Steven Weber guest stared as Shawn's uncle Jack on season 3 episode 4.
Spot the Pineapple: there are pineapples on Dave the landlord's shirt.
Shawn makes a reference to "Sleeping with the Enemy", about a woman (Julia Roberts) who faked her death to escape her abusive husband. In the episode, Laynie's husband's name is Patrick. Julia Robert's husband in the movie is portrayed by Patrick Bergen.
The building that Laura lived in was called the Ivanhoe, the actress playing Laura, Rachel Blanchard, was in a TV movie called Young Ivanhoe.