As Meredith, Derek and all of their friends prepare for the big wedding, a group of college students, injured in a car crash as they were heading to their graduation ceremony, is admitted to the ER. Meanwhile, Izzie fears the worst when she begins experiencing familiar symptoms.

The mystery of the disappearance of the former Crab Shack owner is finally resolved.

Chloe pleads with Clark to end Davis' life since he can no longer control the beast within him. Tess and her team of meteor freaks help Clark track down Davis.

The final two chefs prepare for their ultimate challenge. They must design their restaurants as well as create a winning menu. But they won't be there to oversee the renovations- Chef Ramsay flies them back to the Borgata where they compete to wow the Hotel's CEO with their signature dish.

Baby William is the unlikely hold up in Mode receiving the money it needs to save the company, whilst Hilda is asked to help with a political campaign.

Leslie makes an impression at a banquet honoring her mother while Mark and Tom go to a bar to pick up women.

After deciding that she wants to have a baby, Brennan shocks Booth by asking him to be the father of her child. Booth can't stop thinking about Brennan's request. His stress, along with an undiagnosed health issue he has, causes him to hallucinate -- and see Stewie from the TV show Family Guy, who offers his advice to Booth.

A band of vicious bikers is given the go-ahead to take down one of their own when it's discovered that the guy is an undercover cop.

Michael decides to enter the cafe-disco business. Pam and Jim are away from the office on a secret trip.

Sam is plagued by horrendous nightmares and visions from his past as Bobby and Dean force him to go cold turkey to break his addiction to demon blood. Meanwhile, Castiel makes Dean a deal, and the demons break all but the last few Seals.

A tough decision gives one castaway the chance to sacrifice personal comfort to benefit the rest of the tribe, and a tricky Immunity Challenge puts brains and brawn to the test as the weary castaways fight for a guaranteed spot in the Final Five.

To mark the occasion of OCC's 10th anniversary, Senior designs a bike for the masses. He also appears on some late night talk shows in order to promote his new book. Meanwhile, Junior is working on opening a woman's fashion boutique with his girlfriend, Rachel.

Support from Tracy and Liz leads Jack on the search for his real father. Meanwhile, Pete and Liz suggest there might be an ulterior motive behind the discovery of Tracy's illegitimate child, and Liz competes with Jenna for the spotlight among the TGS staff.

Moretta and Bryant step in to aid Salinger when he crashes into a light pole and members of a gang steal his weapon. Meanwhile, Adams is taken aback when a man exposes himself outside her home.

The current U.S. Secretary of the Interior, Ken Salazar.
TV.com

Tonight Stephen welcomes the co-founder of Terreform ONE, Mitchell Joachim.

Masterclass 1 - Cooking with the masters - Lamb Rack with Pomme Puree, Pain Perdu with Chocolate Mousse.

The popular news quiz returns, with team captains Paul Merton and Ian Hislop, guest host Jack Dee, and guest panellists Clare Balding and Fred MacAulay.