Following the first elimination of the season, Brandon targets Dawn as the leader of what he sees as an unsuitable vote and matchless teamwork and disorganization from one tribe leaves little room for competition during a tiered Immunity Challenge.

In a new twist, the competition moves to Las Vegas, where the Top 40 semifinalists will be split into guys and girls. Starting tonight, 10 semifinalists will perform and the judges will be faced with the tough decision of choosing which five will stay each night and which five will be sent home.

As Frankie prepares for her upcoming annual tradition of watching the Oscars on TV, she becomes concerned when Brick informs her that he's taking a three-day school bus trip to Chicago, and she worries that his unique quirkiness could lead him to become separated from the group. Meanwhile, Sue wants to find out if Axl's friend, Darrin, has feelings for her.

When Whitney's father comes for a visit and gives her $5,000, she believes he has finally changed for the better. Although Alex encourages her to use the money to rent an art gallery to display her photos, Whitney instead gives the money to Lily who is desperately short on cash. Later, the money trail continues when Lily entrust Roxanne to be the keeper of the $5000 but Roxanne proves to be ill prepared for the job.

Felicity tells Oliver he's all work and no play, so he asks Detective McKenna on a date. A jewel thief named Dodger hits Starling City and targets someone very close to Oliver. Meanwhile, while working with Laurel, Thea gets her purse stolen by a very fast pickpocket named Roy Harper. Moira makes a move against Malcolm.

Caught in a waterspout, Toothless' prosthetic tail is damaged, rendering him unable to fly and thus leaving him, Hiccup and Snotlout stranded on Outcast Island. The three must work together to repair the damage, overcome the rivalry between Hiccup and Snotlout and return home to Berk before they are captured by Alvin and the Outcasts.

With Gary's new career booming, he struggles to juggle both his career and responsibilities as a stay-at-home dad while trying to prove to Marny he can do it all. Meanwhile, Nick and Emily are eager to locate a missing toy that's sound is keeping them up at night. Elsewhere, Chris and Sheila are seriously concerned with Ernie's development after he is held back at his play group.

Max makes it into the final round of the school spelling bee. When he finds himself going head to head with Dick Butkus, Larry and Reggie, who've become obsessed with winning an Oscar, decide to videotape the bee - and the competition between Max and Dick - hoping to take home the award for Best Documentary.

The TAPS team travels to CT to investigate the Nathan Hale homestead.

What makes a person walk into a theater or a church or a classroom full of students and open fire? What combination of circumstances compels a human being to commit the most inhuman of crimes? Can science in any way help us understand these horrific events and provide any clues as to how to prevent them in the future? As the nation tries to understand the tragic events at Newtown, NOVA correspondent Miles O'Brien separates fact from fiction, investigating new theories that the most destructive rampage killers are driven most of all, not by the urge to kill, but the wish to die. Could suicide-and the desire to go out in a media-fueled blaze of glory-be the main motivation? How much can science tell us about the violent brain? Most importantly, can we recognize dangerous minds in time-and stop the next Newtown?

The BAU heads to Austin to investigate victims found there with their watches set inaccurately, a clue which may connect the crimes. Meanwhile, the UnSub stalking the BAU inches closer in his pursuit of the team.

Detective Rollins comes home to find her sister Kim in her apartment, beaten up by her abusive boyfriend, and this time, pregnant. The SVU squad does all they can to keep her safe, but an unexpected visitor forces Rollins to take drastic action. Once again Internal Affairs must open an investigation into the SVU's unconventional methods, and the squad is in jeopardy of losing one of their own.

A police officer named Kevin, who turned to witchcraft after working a case with Sam and Dean, is plagued by nightmares in which he murders innocent people. However, when the murders actually happen, Sam and Dean are called in by Kevin's "familiar" to help - but the brothers aren't sure they want to save a witch.

Claire flies solo to her college reunion and runs into a professor she once dated, but when Phil shows up things get really awkward. Back at home, Jay is obsessed with winning his big bowling tournament, and Gloria is running ragged with the baby but won't admit it. Mitchell offers to take baby Joe for a while, and Cameron seizes the opportunity to use him in one of his elaborate photo shoots. However, a wig malfunction leads to unfortunate results and no one wants to be the one to face Gloria.

Tessa starts dispensing relationship advice, even to people who don't ask for it; George and Dallas coach a T-ball team.

Sara is a lead suspect in an investigation after a brief encounter with another man in which she was the last person to see him alive. Also, her separation from Grissom begins to take a toll.

Part 1 of the two-part Season 10 finale features the remaining chefs showcasing their culinary skills at an eatery in Los Angeles owned by Tom Colicchio, who serves as kitchen facilitator. Guest judges: John Besh and Martin Yan.

After Mendoza is injured in a drive-by, Ben takes it upon himself to solve the case, much to Sammy's dismay. Lydia regains her footing as a detective while investigating the murder of a female boxer's husband. Tensions between Cooper and Steele finally come to a head during a traffic stop-gone-sideways.

A secret surfaces and threatens to cause a scandal that could bring down the Hawks' entire season. Dani makes a decision regarding her feelings for Matt and Nico.

Adam and Ders try to get rich by becoming inventors; Blake joins an artist collective for teens.

The anguish that haunts Cruz over his previous actions boils over, as he puts himself and his fellow firefighters in jeopardy. Casey and his sister Christie try to solve their issues with their mother and each other. Meanwhile, Severide reaches out again to an important person from his past as a favor to Lieutenant Whaley and the squad gains new perspective after assisting the bomb squad on an extremely dangerous call.

Coming Soon...

When an assassin attempts to kill President Reagan, Philip and Elizabeth scramble to handle the fallout within the KGB. Meanwhile, Stan pressures his source within the Rezidentura to find out if the KGB was responsible for the attempted assassination.

Oscar takes out frustrations on his slacking crew; Cheston's girlfriend distracts him while he's working; Mitch risks a parole violation.

Roman Armond lands a spin-off series; Gil Faizon and George St. Geegland play basketball, but their fun is spoiled by an injury. Also: exploring the illegal restaurant custom known as "dining and dashing".

Helaine Olen

Nicole "Snooki" Polizzi, Jenni "JWoww" Farley, Ken Marino, Mark Normand

David Goldhill

Hugh Jackman, the Americans

Chelsea Handler, Edythe Kirchmaier, Sky Blu

Lisa Kudrow, Bonnie Raitt

Tom ends up clashing with Michael over his decision to ban player Kacey from the boys' football league final, causing Kacey's identity issues to come to a head with some shocking results. mogen refuses to wear the engagement ring that Connor has given her.