The eight previous champions return to go head-to-head to become Champion of Champions.
Monk assumes the identity of a dead hit man in an effort to foil an assassination plot.
When a college girl at a Catholic university commits suicide, Gus and Shawn are brought in because one of the professors at the school believes the girl was demon-possessed.
Lacey discovers that Jason slept with Vanessa. Though Jason and Lacey have an open relationship, dating within their circle of friends is strictly prohibited. Lacey decides to end her romantic involvement with Jason and spend more time with Rick. But Rick isn't able to relate to her work and things grow tense.
Global Dynamics sonic cleaning coincides with a phenomenon in which the citizens of Eureka develop a form of amnesia. Meanwhile, Allison goes into labor.
When the M.R.D. creates mutant hunting Sentinels, the X-Men and the Brotherhood team up to take down them, and Master Mold, down.
The designers are asked to create something fashionable and easy to move in, but also appropriate for a pregnant woman to wear out in public, for supermodel Rebecca Romijn. They have $100 and two days to complete the look.
Hank treats a hallucinating woman. Meanwhile, Charlie and Jill move in together, while Divya and Raj anguish over their engagement party.
As the Twin Leaf festival draws to a close, Ash, Dawn and Barry encounter a Xatu and wind up miniaturized and trying to find a way to return to normal.
UCOS reinvestigate a high-profile riverboat disaster on the Thames after a new witness comes forward claiming the collision was the result of sabotage, rather than an accident. But the case means putting DAC Strickland's wealthy sailing chums under the investigation spotlight; what better motivation could the team have?
Toby looks for answers about his past and his mother by sifting through the jumbled thoughts of an Alzheimer's patient.
K'nuckles needs to get fancy pants to get into the new VIP section of the Candy Barrel.
Penn and Teller take on the secretive inner world of The Vatican, the holy city of Catholicism and home of the Pope. Due to outcries from the public, this episode was not included on the DVD release of Season 7.
The male chefs and the female chefs compete in a battle of the sexes in catering a poolside bachelor and bachelorette party.
Nate and his crew square off against a band of thieves in order to retrieve priceless stolen artwork.
Ty's conscious is hit hard when the undercover crew goes in pursuit of a crooked, yet decorated cop, particularly when Ty's wife floors him with big news.
Grylls demonstrates what it was like for soldiers who had to survive in the jungles of Vietnam, during the Vietnam War.
Franco steps into the ring with one of Carla's friends;Tommy tends bar after a failed rescue leaves the crew in the dumps.