The war between Abed and Troy intensifies, prompting Jeff to try to negotiate a truce between the former best friends while the rest of the group choose sides.

A lion breaks loose in Seattle, leaving a couple's lives and relationship at risk; Lexie overhears Mark's discussion about moving in with Julia; Teddy begins to take steps towards coming to terms with Henry's death; Callie grills Arizona on her past lovers; and Alex requests to be taken off Morgan's preemie case when she becomes too dependent on him. Meanwhile, Meredith tries to be a support for Cristina as the tension between her and Owen hits a boiling point.

When The Machine spits out five numbers, naming the Don of each of New York’s crime families, Reese and Finch suspect Elias is planning to eliminate his competition.

Olivia hires Quinn Perkins; On Quinn Perkins' first day, she is given the task of of dealing with a woman's accusation against the President of the United States. Meanwhile, Pope & Associates must prove a decorated war veteran innocent of murder.

Celebrating the 100th episode of US sitcom The Big Bang Theory, Rick Edwards travels to the Hollywood set for an access-all-areas visit, catching up with the cast and learning everything there is to know about the show. This behind-the-scenes special takes fans through everything from the writing of the script to the recording of the show in front of a live audience.

Celebrating the 100th episode of The Big Bang Theory, Rick Edwards looks back at some of the US sitcom's most hilarious and memorable scenes and talks with the cast and crew on the set in Hollywood. The actors share their favourite moments and reveal a few secrets about the making of the show.

When Wolowitz gets to work with Stephen Hawking, Sheldon is willing to do anything to meet his hero.

Unemployment drops, Colbert's Very Wanted tracks a mailbox mutilator, a biker brightens Stephen's commute, and Anne Rice deals with werewolf psychology in "The Wolf Gift."

Episode info coming soon ..

The CBI team tries to determine who would have reason to kill a popular English teacher.