The NCIS team tracks a Navy lieutenant's killer after a Pentagon security camera reveals a petty officer committing the crime. Meanwhile, Gibbs announces that Agent Barrett and her team will take over the Port-to-Port serial killer case.

Jennifer Hudson and David Garrett are the guest stars tonight. The couple with the lowest combined votes of the judges and public voting will be eliminated.

Jamie starts off the second season with a visit to Los Angeles, but runs into a roadblock when trying to change school lunch programs.

The nine remaining contestants arrive in New Zealand and embark on the adventure of a lifetime, starting with a visit to Sky Harbor, a popular tourist attraction known for its breathtaking views. Awaiting them are 51 flights of stairs to climb followed by the adrenaline rush of sky-jumping for contestants and trainers. Then it's on to a 5K challenge New Zealand-style, with the winning team getting an unforgettable helicopter ride to gorgeous Waiheke Island. The trainers take contestants to the Auckland Fish Market, where they talk about eating healthy while travelling abroad, and Jillian has a lively lobster encounter. Later, the contestants charter an American Cup racing boat to sail around Auckland Harbor, and one player with a special connection to New Zealand gets a very generous gift.

On another busy day, Les wants all sales staff on the floor, including those in the internet department, despite Seth's objections; to make a point, he gives Les a reason why he needs the internet department when Les buys collectible military figurines from a customer. A woman pays for her pawn of her TV, in which she's emotionally attached to. A man wants to buy musical equipment from Rich, but he accuses Rich of selling used merchandise at prices the customer feels is improper. A drunk man tries to sell his coins and Garbage Pail Kids cards, but his behavior killed any hope of a deal. A man sells a gold and diamond ring he thought was from the Baseball Hall of Fame, but actually belonged to someone who worked for the Yellow Pages. A woman, who was talking an unsavory language of sexual innuendo, pawns her wedding ring.

Two new captains emerge as the 2010 king crab season begins in the Season 7 premiere.

Eric's going undercover for the first time to make sure that classified technology remains secure after a rocket engine expert ends up dead in a test chamber.

When handsome, thirty-something, Joe Prestia is murdered, Murdoch is called to the scene. He soon discovers that he once had a relationship with the victim's beautiful fianc?e, Anna Fulford. Dr. Ogden uncovers evidence suggesting Joe was the victim of a skilled assassin, but Anna has no idea who would have wanted to kill him. Then matters take a frightening turn when the assassin also makes an attempt on Anna's life. Why would anyone want Anna dead too? Murdoch's investigation reveals that the murdered man had a much darker past than anyone knew.

Adam's boss, Kev, assigns him to cover a bachelor party for a new article, so Adam takes it upon himself to redo Mike's bachelor party after ruining his the first time around.

Lockhart/Gardner represents a small drilling contractor against a major oil conglomerate in a dispute that is going well until a South American dictator complicates the situation. Meanwhile, the election results are in.

After deciding to quit her job, Amber retakes some of her destructive past habits. Desperate to get Jasmine back, Crosby recruits Joel to help him. Meanwhile, Kristina and Adam's relationship with their daughter is put into test as they overhear an unsetting phone call of Haddie.

Megan and her team must piece a victim back together when body parts turn up in a back alley. Lacey gets Megan's reluctant permission to film her at work for her school video essay project which in turn has a profound effect on Lacey's view of her mother.

Season One Winner, Iain Harrison, is back to help the remaining six contestants. Contestants show off their versatility. In the main challenge, contestants shoot from unstable platforms with four weapons personally chosen by Iain.

Gov. Deval Patrick

Gordon Ramsay, Hayden Panettiere, Queens of the Stone Age

Ray Kurzweil

Ricky Gervais, Bjorn Lomborg, Foo Fighters

Kristen Bell, Austin "Chumlee" Russell, Sara Evans

Wynonna Judd, Ariel Tweto