The photos of Jasper and the polar bear together are real photos of their respective actors: Mark Dumas and his pet polar bear Agee.
Spot the Pineapple: the teapot and tea mug set at the café has a pineapple shape and design.
On the wall of the Psych office there is a newspaper headline about a spell master being poisoned. A nod to season one episode two, Spellingg Bee.
Shawn introduces Gus as "Radio Star", then says "I'm afraid your video will kill him." This is a reference to the song "Video Killed the Radio Star" by the Buggles. This was the first music video played on MTV on August 1, 1981.
Shawn states that Stoney Jackson would play Gus. Stoney Jackson play Fred Dozier in a later episode ("True Grits").