World-renowned rock group Bon Jovi will perform and one finalist's journey will come to an end as America's vote is revealed LIVE

Howard struggles with whether or not he should open a letter from his father, and Leonard and Penny throw a "grown-up" cocktail party at the apartment.

Elena's new outlook has everyone concerned, leading Stefan and Damon to agree that going back to the normal routine of high school would be the best thing for her. Caroline is pleasantly surprised when Elena decides to rejoin the cheerleading squad, but her pleasure turns to shock when Elena's behavior proves dangerous. Not giving up on their search for the cure, Damon and Rebekah work together until his unwanted advice catches her off-guard. Klaus tries to use Hayley to get the information he's after and makes an intriguing discovery in the process. Meanwhile, a bored Elena throws a wild party and gets into an ugly fight.

As the campus strives to get to the bottom of Chang's memory loss, Dean Pelton enlists the group to help secure a grant for further medical research and Abed films the activities for a documentary. Jeff, however, suspects there is more to Chang's memory loss than meets the eye.

Walden and Alan try to cheer up a lonely Herb, but end up partying a little too hard.

Leslie tries to help a local video store stay in business after the owner is hit by the bad economy. Chris tries to give Tom some fatherly advice in dealing with a difficult employee, while Ann blackmails April into being her friend.

The discord and chaos created by the hospital's new management team causes one physician to question his future at Seattle Grace. Meanwhile, the doctors and the interns must juggle several transplant surgeries at once, each coming with its own set of obstacles.

The adventures of Dwight at his family beet farm and bed-and-breakfast come to light.

For the first time in glee club history, the students give the teachers, Will and Finn, an assignment to hash out the tension between them. Meanwhile, Santana becomes increasingly suspicious of Brody's side job

The new Number is an old man, Lou Mitchell, who blows thousands of dollars each week while gambling at a New Jersey casino. While Finch and Reese try to work out how Lou does it, and why he's in danger, Carter helps a fellow detective framed by HR.

The clothiers create outfits for the male revue Thunder From Down Under. Emmy Rossum is the guest judge.

New Assistant District Attorney Gabe Lowan arrives at the precinct, suspicious that cases involving the vigilante are being mishandled, and wanting answers. Cat is determined to protect Vincent at any cost, which includes tracking down a witness and threatening him at a gala masquerade ball. Meanwhile, Vincent worries he may lose control if he gets romantically involved with Cat.

A customer tries an unusual strategy to sell a popular gaming system, while Ming purchases more nostalgic childhood memorabilia.

Swampers struggle and fill tags after a devastating hurricane. One hunter suffers a brutal alligator bite that forces him off the water for emergency first aid. Meanwhile, a cold front threatens to end the season for hunters in the north. For another pair, debris-filled waters lead to a serious accident.

Charlie and his dad get into it when Martin has Charlie's daughter, Sam, baptized behind Charlie's back.

When Skip announces his big date with Stacey, Emily takes it upon herself to make sure it goes off without a hitch. Meanwhile, Becca and D.B. attempt to paint a mural for a special room. Elsewhere, Dale and Xander get wrapped up in a heated game of Risk.

Archer and Lana pose as newlyweds to stop a sale of enriched uranium.

Joan takes her first solo case: the disappearance of a woman who left her husband a tearful break-up video that mentioned a murder on a subway platform. Meanwhile, Sherlock is intrigued by the subway murder and decides to investigate.

Flynn and Vega investigate the murder of a mortgage broker.

Nathan advises a clothing store to let people shoplift; and asks a restaurant owner to be included in her will.

Jim's house is swarmed by paparazzi after he beds a celebrity. To sneak her out of the house, he talks her into crawling into a suitcase and taking a ride in the trunk of his car.

Steve Carell, Luke Bryan

Gerard Butler, Elizabeth Cook

James Franco, Jay Mohr, Owl City and Yuna

Monica Potter, Jim Rome

A huge, powerful cockroach pursues the turtles as they attempt to sabotage a Kraag invasion scheme.