Every great chef has a discerning palate, so Chef Ramsay tests each chef's ability to identify ingredients relying solely on their taste buds in the blind taste challenge. The winning team is granted a luxurious sushi meal overlooking the ocean followed by a relaxing day of horseback riding. Meanwhile, the losing team is charged with delivery day duties and backbreaking labor in HELL'S KITCHEN. Later, Chef Ramsay presents the chefs with a surprising challenge in order to determine which contestant deserves immunity in the next dinner service and will move one step closer to a life-changing prize

When Beth receives a message to be a Good Samaritan, she decides to help an elderly but extremely irascible neighbor. She finds that her friends and family are resistant because they were hoping to oust the woman from the neighborhood once and for all. Beth continues in her quest, however, and makes a new friend in the process.

Beth and Tom visit a comatose Carly in the hospital. When they hit a squirrel on the way home, Beth becomes obsessed with saving it, going to great lengths to help the animal despite the objections of her husband and friends. Later - it becomes clear to all that the squirrel is a symbol of something much more important in Beth's life.

Turn it up to 11 with the Pawn Stars when Rick attends Rock and Roll Fantasy Camp. Performing with rock legend Roger Daltrey of "The Who", will Rick hit all the right notes? Then, Chumlee and the Old Man check out a collection of tin toys from the early 1900s. Can they turn this play date into a payday? And later, a tonsillotome finds its way into the shop. Used to remove human tonsils in the 1800's, will Corey try to cut a deal, or will the asking price make him choke?

Mike and Carl get stuck working at the Renaissance Faire after their boss, Patrick, gets dumped by Mike's mother. Later, as a tornado descends on Chicago, Mike and Molly each confess important news to each other.

Keep it reel with the Pawn Stars when Rick checks out a recorded telephone conversation of President John F. Kennedy. Capturing a rare moment in which JFK was angry, can Rick keep this deal on track? Then, the guys are flying high when an F16 flight suit buzzes by the shop. Will their offer meet the sky high expectations? And later, the Pawn Shop becomes a hostile work environment when Chumlee tries to secretly record the Old Man yelling at him.

Charlie shakes up his relationship with Kate while dealing with the return of Jen's ex-boyfriend, Sean

On her first day back, Andy is forced to work a bank robbery case with newly promoted Swarek; a distraught woman gives Nick perspective on his life with Gail; a bombshell is dropped on Noelle.

Milo and Gibbs have a date-off with a beautiful woman. Tyler and Rachel try to stick together through the hassles of a long-distance relationship. Neal and Amy suffer the consequences of allowing Tyler to use their apartment as a rendezvous location.

BAU investigates a murder in which two victims' faces are similarly mutilated; given a "Glasgow Smile". For the first time, Will contaminates a crime scene thinking he committed the first murder and an MRI shows he suffers from Advanced Encephalitis. But Hannibal intimidates the attending physician, Dr. Sutcliffe, into telling Will he's okay. Meanwhile, the team doubts Will who says, while revisiting the crime scene alone, he saw a mysterious, "dead-looking" woman who may be involved. With his fears fed by Hannibal, Will returns to Dr. Sutcliffe for more mental health tests, when the doctor is murdered.

Duck hunters begin to cause chaos for the swampers; a team abandons their boat; a veteran's hunt for a partner leads her to an unexpected door; a teams lines are tampered with.

Anne Heche, Jeff Garlin

The fourth set of semi finalists attempt to impress the judges and viewers at home. Those who manage to stand out tonight are James, Francine, Asanda and AJ & Chloe. After all the acts have performed the phone lines are opened for the fourth public vote of the series.

Ant and Dec are back with the results from tonight's public vote. Olly Murs performs live on stage. Ant and Dec reveal that Alex, Francine and Asanda are in the top three tonight. They then reveal that Francine has topped the public vote and gained the first available place in the final. The judges then select Asanda to join her in the final.

In this episode, David Mitchell is joined by Susan Calman and Richard Osman, and Lee Mack is joined by Carol Kirkwood and David O'Doherty.

The popular news quiz returns, with team captains Paul Merton and Ian Hislop, a guest host and guest panellists Matt Forde and Miles Jupp.

Lee's father, Frank, buys himself a boat after a big win on the horses and invites Lee down for a long weekend with Lucy and Daisy. Despite the fact that Lucy is terrified of water, Lee persuades her to come along in the hope that he can manipulate her into sharing a double bed.

The Bafta award-winning host continues his unique chat show with the biggest celebrities, the brightest conversation and the best jokes on TV.

Among the guests on Graham's sofa are actress and singer Jennifer Lopez and comedian David Mitchell.

Unlikely duos team up, including Acree and Wheeljack, and Agent Fowler and Jack's mom.