When free-spirited substitute teacher Holly Holliday fills in for the absent sex-education teacher, she joins forces with Mr. Schuester to teach the kids of New Directions the facts of life. Meanwhile, Emma heads up the Celibacy Club, and she and Dr. Carl address some issues in their personal life

Each team has to pick a team captain, who will have many responsibilities during the week, and only two players from each team can work out with a trainer. The teams first square off in a pop challenge involving 13 tiered cakes, and later, the contestants meet host Alison Sweeney at a mud pit where they have to make their way across the pit while balancing on a step - without touching the mud. Several contestants have heart-to-heart talks with their trainers, opening up more about the individual personal struggles they had before coming to the ranch, and later, another player is sent home following a weigh-in with some surprising weight loss numbers.

Malik plans to end his affair with Parker; however, Parker later reveals the affair to her husband, who vows to make Malik's life miserable. Tasha's lie about her relationship with Dante is exposed.

A spy and master of escape, known only as The Ghost attempts to carry out an elaborate ruse on our team from inside their own headquarters.

A granny threatens Seth with a shotgun when her fur coat turns up torn. Plus, Les has his hands full with a negotiation over a vintage gumball machine and an enticing gold sale. Meanwhile, a dispute over lazy employees erupts into an all out war between Seth and Ashley.

Leona and members of Blackstone take the stand as the sexual abuse case comes to a head.

Mike hangs out with his parents as he revisits past dirty jobs involving family businesses.

Cousin Mike visits the Chance family after a six-month spiritual quest and brings his new wife, Tanya, and his three brother-husbands with him. Meanwhile, Burt tries to patch a strained father-son relationship between his brother and Mike, but winds up getting himself in trouble.

It appears that Murdoch has entered into a conventional drawing room mystery after the master of a wealthy household is found face down in his breakfast. The characters are all in place: the murdered Percival, his aggrieved wife, and two very different sons. But whereas most drawing room mysteries revolve around the affairs of the upper class, Murdoch learns that the heart of this mystery lies in the servant's hall below the stairs, where there's a mix of unsettled emotions and grudges to bear.

Callie finds a lost puppy belonging to one of their elderly neighbors, but when Adam unintentionally takes credit for rescuing the puppy, the neighbor shows her appreciation to Adam almost too generously. When Lisa complains about the noise coming from their music-blasting neighbor, Mike's plan to confront his neighbor and ensure peace and quiet takes an unexpected turn.

Toby helps Sgt. McCluskey try to solve the murder of a Russian diplomat by looking into the mind of an autistic boy.

Officer Ben faces his final day as a rookie and contends with his partner's increasing dependence on painkillers. Meanwhile, Detective Sammy Bryant is assigned a new partner.

Daniel gives Phil Davison the chance to make a speech without scaring the audience.

The Fifth Column tries to figure out what Anna is planning to do now that she's ready to activate Earth's first Blue Energy reactor. Diana advises Lisa to defy her mother and fulfill her destiny to save the human race.

Neal finally gets to confront the man behind Kate's death and finds out the truth about one of the history's biggest mysteries.

Lt. Mason wants the entire force to work on the case of a murdered college student, which comes with a slew of suspects. The victim's boyfriend, a gang member, a Canadian drug runner, a lusty professor and a wealthy classmate are all possible culprits.

Ed Romeo continues to train Lights in his unorthodox but effective manner. Lights feels in the best shape of his life, but Romeo's comstant distain for his Father, Brother and sister wears on him.

Speed. Speed. Speed. Both challenges focused on speed shooting. The team challenge made use of the .45 Colt 1911, while the elimination challenge made use of the Razorcat Racing Gun. The experts used were very familiar with speed shooting and Top Shot.

Brian Christian

Nigel Marven, Gary Oldman, Drive-By Truckers

Dan Sinker

Topher Grace, Catherine Deneuve

The truth about Bex's disappearance is finally revealed after another pupil discovers a shocking secret. It ends up sending shockwaves around the school and Tom's recovery is tested to the limits when he's forced to deal with the follow on from what has happened. Jonah issues Cesca with an ultimatum.