The photos of Jasper and the polar bear together are real photos of their respective actors: Mark Dumas and his pet polar bear Agee.
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.
Spot the Pineapple: the teapot and tea cup/mug set at the café has a pineapple shape and design.
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 plays a character Frank Dozier I. A future episode.