Director Vance's brother-in-law is the lead suspect when Gibbs and the NCIS team investigate the murder of a petty officer.

PJ proposes to Naomi and Annie discovers he needs to get married in order to get the rest of his trust fund. Dixon confesses to Navid that he signed a record contract but admits he did not tell Adrianna because the label didn't want to sign her. Dixon also accepts a gig to play back up for Haley Reinhart, but doesn't tell Adrianna. Liam asks Vanessa to move out and discovers she has emptied their joint bank account.

Maria Menounos & Derek Hough, Jack Wagner & Anna Trebunskaya, Donald Driver & Peta Murgatroyd, Gavin DeGraw & Karina Smirnoff, Roshon Fegan & Chelsie Hightower, Sherri Shepherd & Val Chmerkovskiy, Melissa Gilbert & Maksim Chmerkovskiy, William Levy & Cheryl Burke, Martina Navratilova & Tony Dovolani, Katherine Jenkins & Mark Ballas, Gladys Knight & Tristian MacManus, and Jaleel White & Kym Johnson await for their results to see who goes home. Musical Guests: Sugarland and Michael Davidson.

When attention-seeking Sarah Louise announces her plans to run for another term as chairperson of the Natesville church group, Burt decides to run against her. To test Burt's ability to handle a community task, Sarah Louise assigns him pig-sitting duties for a blind church member. But when the guide pig accidentally becomes family dinner, Burt must find and train a replacement pig before Sarah Louise finds out and ruins his chances of being elected.

To address the excuse "exercise is boring," trainer Dolvett Quince spices things up by taking contestants to a Zumba class, and trainer Bob Harper takes the players mountain biking. In this week's pop challenge, the seven remaining contestants try to load boxes of food on to seven trucks, with the contestant who finishes first getting the chance to pay it forward by donating the products to their hometown food bank. Then a cooking challenge, that begins at the market and ends at the ranch, finds the contestants racing against time to whip up a healthy, tasty and creative dish.

Tasha agrees to be the surrogate for Melanie and Derwin; Derwin's poker night turns into a raging bash.

A suspicious Molly questions the existence of Contra's top international sales rep. So Oz scrambles to prove that "Mr. Jones" is an actual person. Meanwhile, Veronica enlists Cameron to help her make friends in the office and Cash gets advice on women from an unlikely source.

In order to prove that he can run American Jewelry, Seth takes over Les's supervision duties, while Les watches from the sidelines; however, Ashley fears that he's wearing himself too thin. Her suspicions were proven right when a man sells Seth a "new" carpet cleaner without further inspection, but a clerk later informed Seth that it was actually used and repackaged. Furthermore, on the next day, the store is short on available cash, as Seth failed to get money the day before; worse off, it's a banking holiday, and Seth's plans to have someone get more cash won't work. Also: a man tries to sell designer eyeglasses, but Les informs him he paid too much. A woman complains to Ashley that someone stolen her identity and pawned her stuff, but Ashley informed her that she's not in the system. A widowed woman sells her hospital skeleton, which Les thinks would be cool to have - if the price is right. A woman tries to sell her bowling balls, but her backtalk made them worthless to Les. A couple sells a geiger counter, but they can't agree between themselves on how much to sell it for.

When the body of a Navy Intel Officer is found, evidence points to a team of Navy SEALs who are about to depart on a hostage rescue mission, leaving former Navy SEAL Sam Hanna to interrogate the group and possibly compromise the mission.

Bridget decides to testify against Bodaway Macawi; Machado is suspended from the FBI; and Henry gives Siobhan an ultimatum: give up the revenge plot or they're through.

Jess' sophisticated date with Russell doesn't go as planned. Meanwhile, Nick's college friend visits and brings out Nick's inner frat boy to help him get over his break-up with Julia. Also, Winston panics when Shelby goes on a "girls" vacation and Schmidt and Cece try to keep their relationship under the covers, but one of the friends finds out their secret.

We find out what goes on in Rut's head as he takes control of the show and gets to do whatever he wants. In the process he enters a championship race and almost kills himself, becomes an inventor and almost kills Adam, and tries it out as a designated driver on the late night streets of San Francisco and almost kills them both.

When Elvira Cummings, a young opera singer, is poisoned during a rehearsal of La boh?me, Detective Murdoch suspects the intended victim was Madame Rosa Hamilton, the diva who stormed off stage moments before her prot?g? collapsed. Showing her thoroughness and skill, Dr. Grace's autopsy brings her to the same conclusion as Murdoch: the aspiring soprano was killed by a fast-acting poison, likely slipped into her prop glass by one of the other on-stage performers. A serious opera aficionado, Inspector Thomas Brackenreid takes a personal interest in the crime, and the famed and flirtatious soprano, inflaming the jealousy of his wife Margaret. Further investigation into the opera company uncovers almost unanimous disdain for Rosa, and a rumoured love triangle between Rosa, her longtime lover, tenor Carlo Corsi, and the dead singer. As Murdoch, Brackenreid and Constable George Crabtree delve for answers, the dramatic behind the scenes machinations reach operatic heights.

This week's web redemption is the Cliff Jumper. Daniel talks to the MPH couple and displays hardcore Parkours. A video of a robbery at a Casino gets broken down and we see a single cheek twerk.

While Raylan squares off with a pair of Detroit hit men, the battle between Boyd and Quarles comes to a head.

When scores of people start dying from similar symptoms, the team is faced with a city-wide outbreak of an unknown virus and no one safe - including Megan and her team. Center for Disease Control (CDC) Officer Charlie Stafford takes over the case to figure out not just what caused the outbreak, but who.

Carrie's personal and professional lives collide when her boyfriend, the son of a mob boss, is revealed to have ties to suspects in a murder investigation.

Contestants take aim at bowling pins, bottle openers and other specialty targets in an episode full of dazzling trick shots. One team's quarreling over strategy translates to a poor performance at the team challenge. And after a controversial nomination range, two shooters must go head to head to avoid elimination.

Sam Worthington

Josh Hutcherson, Simon Pegg, Macy Gray

Charles Murray

Jason Sudeikis, Lionel Richie, Jason Aldean

Mitt Romney, Megan Hilty, the Pierces

The school fun run is held and Jez's star athlete, Mercedes, has been training hard in an effort to impress him. After she's injured on the run she manages to persuade Jez to take her home and after misreading the signs, she attempts to kiss him. Jez' s life begins to unravel and Sian later reveals her true feelings about their relationship. Trudi comes to a decision about Finn. Grantly returns to work, justy a week following the loss of his wife.

Axl returns from a fancy-dress party in women's clothing and falls asleep still wearing his outfit - and wakes up in the morning to find he has become female.

The two teamsmeet Lord Sugar at the Victoria and Albert Museum. Their task this week is to invent a new household gadget, create a prototype and attempt to gain orders from some of the country's biggest retailers. One of the candidates from the loosing team is fired by Lord Sugar at the end of the show.

When the ninja are captured trying to find the Serpentine's inner sanctum,and Lloyd's rescue mission fails; It's up to Garmadon to save them.