Booth and Brennan investigate the mysterious death of a surgeon whose life and death challenge Brennan's legendary objectivity. As the team sifts through the evidence, Brennan identifies more and more with the brilliant doctor and her life which makes her question some of her own choices.

Amy crushes on one of Penny's dim ex-boyfriends. Raj and Wolowitz argue over who'd be the better superhero.

As the full moon approaches, Caroline helps Tyler prepare for the transformation he is powerless to stop. While Stefan and Katherine play mind games on one another, Damon and Alaric are suspicious when a stranger named Jules shows up in Mystic Falls, searching for her missing friend, Mason. Elena is frustrated at the lengths Jeremy and her friends have gone to in order to keep her safe. Bonnie and Luca work together on a spell, while still keeping secrets from one another. Finally, Elijah makes an unexpected appearance with an offer that could change everything.

When Abed wakes up in stop-motion animation, he takes it as a sign that he and the group must re-discover the meaning of Christmas. Meanwhile, Jeff and Britta become growingly concerned about Abed's mental health and enlist the help of Professor Duncan. The group undergoes hypnosis to explore Abed's winter wonderland and soon unravel the truth behind Abed's madness.

Henry tries to resolve a dispute between Ed and his neighbor Mr. Campbell, while Bonnie and Vince attempt to adopt a dog.

The CSIs set out to track down a pedophile suspected of murdering an FBI agent's wife and kidnapping his children.

Holly returns to fill in during Toby's leave of absence, so Michael makes Pam throw a second office Christmas party to coincide with her return. Jim accepts Dwight's challenge to a snowball fight.

While the Fringe team investigate the case of a man who had his heart extracted, Peter deals with the revelation of who he's been dating for the last few months.

Alex informs Nikita that Division is sending her on her first mission to kill the leader of a crime syndicate. Alex is uneasy about taking someone's life but is reassured by Nikita who insists on helping her with the kill order. Birkhoff informs Percy and Michael when he discovers the shell program that a Division mole has been using to connect to Nikita in the outside world.

Holly returns to fill in during Toby's leave of absence, so Michael makes Pam throw a second office Christmas party to coincide with her return. Jim accepts Dwight's challenge to a snowball fight.

Liz and Avery convince Jack to come clean about things that he's been keeping from his mother when she visits him for Christmas. Later, Liz attempts to mend Jenna's relationship with Paul. Meanwhile, Tracy buys the rights to a film he shot so that it will never be released and compromise his new, more serious persona.

In Part 2 of the season finale, one finalist is horrified to realize that Kathy Griffin has missed the start of the tournament, and that Mr. Trump's golf team is missing a player. The other scrambles to meet the challenge of feeding 450 people before the Liza Minnelli concert.

With the impending arrival of Dee's baby, the guys try to figure out who the father is by having a party for all her past flings.

Michael and Sam work to clear an old friend of Sam's; Michael must meet with Jesse's handler.

The CBI pursues two lines of investigation when a Santa is murdered: Patrick Jane goes undercover in an AA group; and Rigsby and Van Pelt question members of an authentic Santa society. Meanwhile, following the demise of a person in custody at the CBI, J.J. LaRoche is brought in to question the team when it appears to be an inside job.

Biblical texts and ancient lore frequently describe winged creatures carrying messages from the heavens. But are angels merely the product of mankind's imagination - or do they really exist? If so, where do they come from?

It's Christmas and more importantly it's the playoffs, so tension runs high. While Ruxin's revenge gift to Kevin goes terribly awry, Ellie suddenly acting up at school causes Jenny to worry that all this attention to fantasy football is making her a bad mom. Meanwhile Taco's eggs turn one year old.

Edmund Morris

It's the end of the season - everyone in the League is vying for the Shiva and trying to avoid the dreaded Sacko. Kevin learns to read lips by watching porn. Pete buys a Crown Vic and is mistaken for a cop.

Conan welcomes comedian, actress and now author Sarah Silverman, professor of theoretical physics specializing in string theory at the City University of New York, Dr. Michio Kaku, and musical guests She & Him.

Julie Taymor

Bill O'Reilly

Halle Berry, Billy Gardell, Natasha Bedingfield

Zecora, a mysterious zebra, visits Ponyville which scares the inhabitants. The zebra is rumored to be a witch capable of casting curses. While Twilight refuses to believe in curses, an encounter with Zecora turns out to develop strange symptoms the next day. Now the friends must found out what really happened, while they have to save Apple Bloom, Applejack's little sister, who decides to seek up Zecora on her own.

Bruce Forsyth and Tess Daly host the start of a special Strictly semi-final weekend, with the remaining stars all poised on the brink of glory. Once again, the couples dance for judges' scores and viewer votes.

Coming Soon...

The panelists on this episode are Clare Balding, Dara O Briain and Jimmy Carr.

Jeremy holds a book group at the flat in an effort to try and impress Zahra but apart from Mr Nice, Jeremy has never read a book. Mark is concerned by not being able to satisfy Dobby's sexual needs and decides to get some help for the problem.

Graham is joined by music legend Barry Manilow, classical superstar Katherine Jenkins, comedian Sean Lock and hotfoot from Strictly, the Dancing Queen herself, Ann Widdecombe. Plus music from Scottish songstress KT Tunstall.