A couple's remains that are discovered in a National Park cave create a double mystery: who are they and why were they killed? Elsewhere, Booth's girlfriend drops by, unexpectedly stateside from her assignment as a correspondent in Afghanistan, which leaves Brennan unsure of her relationship with Booth.

Sheldon realizes that by the time he downloads his consciousness into a robot body, he'll be dead, so he tries to make himself live longer.

Stefan takes drastic measures to find out the real reason Katherine has returned to Mystic Falls, and is shocked when she reveals new secrets about what really happened in 1864. Damon tries a new tactic to resolve his issues with Mason,... . but it proves costly. Tyler pushes Mason to tell him the truth about the Lockwoods. Finally, when Katherine delivers an ultimatum, Stefan and Elena are left with very few options.

Jeff runs into his old law colleague and is soon going back to his old ways of partying and expensive attire. His friends come to rescue him, some digging up dirt on Jeff's acquaintance, and some start to become corrupted by lawyers.

Steven deals with past demons as he struggles to be a father to his nine year old son. Meanwhile, Dawn talks about her family as Rolly misses several big moments in her pregnancy.

Ed refuses to allow Henry to install a wireless internet connection in his house, so he takes matters into his own hands. Bonnie needs to have a medical examination, and Vince convinces her to let a retired doctor check her out.

The CSI team investigates a shark attack in a casino hotel's pool.

After weeks of concealing the fact she was pregnant and miscarried, Meredith at last tells Derek and is finally cleared to return to her surgical duties in the wake of the hospital shooting spree; Cristina experiences post-traumatic stress disorder in the midst of an operation; and Bailey refuses to let Alex operate until he agrees to have the bullet in his chest removed.

Michael is subjected to counseling with Toby. When a Steamtown Mall merchant snubs Dwight, he goes out for revenge. Pam wants a new job title.

The other Earth's Fringe team investigates people who have been put into an unbreakable trance by a mysterious box. Meanwhile, Walter and Nina attend the reading of the last will and testament of William Bell.

Michael assists Nikita on one of her missions, and Alex suffers a panic attack during basic training.

The designers design a fabric for their look that was inspired by a moment from their past.

When Todd reluctantly begins employee evaluations, the staff becomes nervous about their job security. After Todd's boss Jerry reviews the sales numbers, he tells Todd to fire one of his employees. Unwilling to lose a team member without a fight, Todd hatches a plan to save his staffer.

Liz puts her new found self-confidence to use by assisting Pete with the issues he's been having with a TGS editor. Jack feel the best way to teach he and Avery's impending child to live is to cheat death. Tracy wants to be there for the birth of his next child, and Kenneth's page work somehow keeps getting completed despite his absence.

This week's task is to set up and run and hotel and spa for dogs. Fortitude had the better hotel and spa for the win, as judged by Cesar Millan. Project Manager Tyana won a one-on-one with Def Jam CEO Russell Simmons. Octane went to the boardroom, where James was fired.

The guys purchase a boat to party and experience life on the high seas.

Violet and Cooper make amendments to their friendship in order to please their significant others; Pete and Cooper get in an argument involving marijuana use by a patient; Addison is conflicted about going public with her new romance, and Sheldon's decision to deny approval for a patient's sex change backfires.

Jane has to help his brother-in-law out when he comes to town and immediately gets in trouble by getting himself mixed up in a murder investigation.

The Situation reunites with his Canadian hottie which provides entertainment for the whole house. And Angelina tells her roommates how she really feels about them. This finally pushes things over the edge and sends Snooki into a frenzy.

While Andre brings in a new partner to expand his practice, Ruxin uses a sick kid to meet NFL star Josh Cribbs, and Pete deals with the complications of dating Kevin's ex-girlfriend.

Justin Timberlake

Aaron Sorkin

Actor Tom Selleck; author Janet Elder; Tired Pony performs.

Morgan Freeman, Eric Stonestreet, Rodrigo y Gabriela

Michael, Shannon and Stella find themselves in a bizarre hostage situation when they come across a man who has had his penis cut off. Getting it back and finding out why it happened soon prove to be a little difficult. Meanwhile when Christian and Lawson stake out a drug house, they are surprised to see Kerry leaving, and Lawson is shocked to find out why she was there in the first place.

Seven of the celebrity couples take to the dance floor for the first time. After each of the couples have performed the judges give their verdicts on what thy have seen and give their scores.

Stephen Fry asks unanswerable questions about hoaxes, with Sean Lock, David Mitchell, Danny Baker and Alan Davies.

A rape at a bakery ends up being linked to two similar attacks at a chocolate factory which happened ten years ago. The team end up reopening all three of the unsolved cases. They soon find themselves stretched though as they find out about an unreported murder during the their investigation.

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