After spending the night with Raj, Penny is worried that her friendship with the guys is in jeopardy, while Sheldon becomes the paintball team leader.

Klaus puts a plan in motion that will give him even more power, but even with the unwilling participation of werewolf Ray Sutton, things don't go exactly as Klaus had planned. Damon and Alaric reluctantly go along with Elena's new strategy to find Stefan, leading Damon into a dangerous fight with an unexpected enemy. Jeremy turns to Matt for help as he continues to try to understand what the ghosts from his past want from him. Unaware that Caroline is in need of his help, Tyler faces an emotional confrontation with his mother.

As the Greendale study group gathers in the library, they wonder whether they will see their old friend Pierce, who left the study group in a huff after last spring's paintball game.

When a mission results in Gloria's death, Charlie persuades Abby and Kate to team up with Gloria's friend, Eve. They don't know it, but Abby, Kate and Eve will always support and look out for each other. Joining the angels is Bosley, a computer hacker, whose skills will help them solve cases.

Auditions continue in Miami and Simon starts to think that they have made a mistake going to Miami until they find a singer that is the X Factor. They move on to Dallas and have a run in with a DIVA that has the same attitude that Simon has problems matching.

Amy tries to resolve a fight between Penny and Sheldon. Leonard tries making his long distance relationship with Priya better.

Leslie struggles with forbidden relationship with Ben as she fears it will jeopardize her future run for office. Meanwhile, Ron has to deal with the arrival of his first wife, Tammy.

The fifth-year residents return for the first day of a year that will make or break their careers: Meredith faces the consequences of tampering with Derek's clinical trial and is terminated at the hospital; April tries to step up to the plate as Chief Resident in the wake of a giant sinkhole in the middle of Seattle; and Cristina and Owen are still at odds over their drastically different feelings for their unborn child.

A list left by Robert has everyone's name in one of two unlabeled columns, leaving the Scranton branch to try and figure out exactly what it means.

Cassie befriends Sally Matthews, a non-witch, in attempt to distance herself from the Circle and build a normal life in Chance Harbor. Diana, worried that their powers are getting out of control, encourages everyone to bind the circle. However, Faye is enjoying the increased powers and refuses to participate, and Melissa flirts with Nick despite Faye's warnings.

A mystery man named Finch contacts an ex-CIA agent, John Reese, and offers him the chance to save people. Finch can identify someone involved in a future violent crime, but is unable to confirm if they are the victim, the perpetrator, or a witness. Reese's first case: determine what danger a young woman district attorney faces and stop it.

This time the designers have to create image-making looks for the members of the rock band The Sheepdogs.

When Whitney and Alex, a happily unmarried couple, attend one of their friends' weddings, Whitney realizes that she and Alex are dangerously close to relationship boredom after three years together. Determined not to let that happen, Whitney consults her close circle of opinionated girlfriends Lily and Roxanne.

News of Meredith and Derek's unsteady relationship raises a red flag for Zola's adoption counselor; Alex quickly realizes that he has become the outcast of the group after ratting out Meredith; and Cristina makes a tough decision regarding her unexpected pregnancy. Also, Chief Webber brings Henry in for a last minute surgery, alarming Teddy.

Hoping to recapture some childhood memories, Dee and Dennis bring the gang to the Jersey Shore. Once there, the two try desperately to relive some happy moments while Frank and Mac get stranded in the ocean and Charlie happens upon the Waitress.

Patrick is arrested for the public murder of Serial Killer Red John.

Snooki and Deena are released from the police station after their accident. Later, Snooki's boyfriend Jionni visits, but their romantic reunion comes to an abrupt halt, and a sobbing Snooki ends the night alone on the streets of Florence.

The female head of a homicide squad leads her team in solving homicides while juggling her personal life.

Iron swords forged in blazing hot fires... Gunpowder with the power to tear apart human flesh... And rockets capable of destroying entire cities... Throughout history, advances in technology have lead to the development of powerful weapons--each more deadly than the last. But were these lethal weapons the product of human innovation--or were they created with help from another, otherworldly source?

On the tropical island, Archer has emerged as Pirate King and must deal with it. Meanwhile, his ISIS colleagues keep up their attempts to rescue him. Sort of.

Jennifer Granholm

Jonah Hill, John Noble

Tavis Smiley

Sofia Vergara, Chris Cornell

Jamie Foxx, Michelle Monaghan, Bush

Piper is brainwashed to become an assassin, and her mission is to hunt down her NTSF teammates. Elsewhere, Jessie catches the eye of a model photographer.

Chris Hardwick, Billy Gardell

In this episode, David is joined by David O'Doherty and Katherine Parkinson, and Lee Mack is joined by Bill Turnbull and Louie Spence.

After Tom McMahon becomes the third victim following some suspicious fires, Alan realises that he is now attempting to catch a serial killer. His superiors warn him to keep his distance from the Aspern family who are trying to lodge an official complaint against him. Banks is determined to locate the ringleader of the art forgery scam which links two of the victims. Annie continues to see Mark Keane, despite Banks' warnings. After Banks finally discovers the true identity of ?Morrison', he quickly realises that Annie could be in real danger.

Karl makes his way through the 'Bucket List' that has been created. First up he ends up spending a a night on a private island.

There is a lot to discuss at Ben's parents' evening including muggers, dangerous chemicals and re-enactments of the Great Plague. Mum is still suspicious Jake is hiding something and Karen decides which of the world's great religions to lead.

Jimmy Carr presides over team captains Sean Lock and Jon Richardson as they thrash out the hot stories of the week, from the silly to the serious.

Stephen Fry investigates an imbroglio of issues with John Bishop, Frank Skinner, Sean Lock and Alan Davies.

To determine who is bringing a group of ice-based villains together in one place, Batman has Miss Martian and Superboy go undercover at Belle Reve Penitentiary, posing as twin teen villains, to find out what's going on.