Lassiter and Juliet get called to a museum to investigate the disappearance of a 3,000-year-old mummy. Lassiter insists it's just a prank that's not worth his time. He's busy working on another case involving the death of philanthropist William Wyles III. However, the assistant curator insists that something weird is going on, something possibly supernatural that requires special help. Shawn is then brought in on the case, and he declares that the mummy was not stolen, iit walked away on its own.

When Shabby the sea lion is found dead after being released into the wild, Shawn sets out to prove it was murder and stumbles onto a bigger mystery.

Shawn and Gus spot an art thief whom Lassiter has been trying to arrest for years. So, although they are on a skiing vacation in Canada, they appeal to the local constabulary with mixed results: someone gets axed, another finds himself interrogated and Pierre Despereaux may get away scot-free, once again.

In 2003, Juliet made a pact with her boyfriend Scott Seaver to meet up in seven years. After he fails to show up, Shawn finds him, and by extension endangers his life since he was a key witness against mobster JT Waring, who was convicted for the murder of a US Marshall. When Waring denies killing the Marshall, Shawn must prove him right in order to protect Scott.

When the daughter of a Chinese Triad family disappears, Shawn and Gus take on the case.

Shawn and Gus return to Vancouver to visit their old nemesis Despereaux in prison at the felon's request, who then uses them to escape and pull one last job before he is extradited to the United States. Only while he is out, he is framed for the murder of a Crown Attorney and now asks the guys for help clearing his name of this most recent – and frankly unseemly – charge.

Shawn stumbles across a dead body at the British consulate's home while working a case to recover a stolen "Star Wars" collector's item. In order to get the police on the case, Shawn claims he had a vision of the murder and puts his reputation as a psychic on the line.

Shawn and Gus team up with Despereaux to locate a mythical dagger rumored to be the key to unlocking a dead billionaire's treasure.

This musical extravaganza follows Shawn and Gus' search for an escaped playwright who was declared criminally insane following a suspicious fire. Complicating matters, a person who may have important evidence is an enemy from Shawn's past.

Stylish art thief Pierre Despereaux summons Shawn to London to help on an undercover operation.

Shawn and Gus help Detective Lassiter enlist the help of Henry and Woody to solve the murder of a real estate executive. Meanwhile, Shawn struggles with a life decision.