While trying to make a good impression at Ritchie's Junior High Parents Orientation, Christine realizes that one of the fathers there as someone from her junior high years that wronged her. She decides to take her revenge and starts behaving like she did when she was in seventh grade.

The auditions continue from Kansas City.

Mike and KITT must drive faster than 100 mph to keep a bomb in the trunk from exploding; Sarah gets upsetting news about her father.

One of the competitors wrongly accuses another of being the killer and must pay the consequences. Meanwhile, the week's ritual has the contestants trying to stay afloat while on a sinking boat. Finally, two of the competitors must enter the execution room and handle a situation with rats.

Gary decides to prove men don't only want to date pretty women by dating Louise's regular looking teacher.

When a young woman in an affluent Atlanta community disappears, the BAU suspects she may have been taken hostage by the partner of a pair of serial killers.

In the third season finale, Eric and his contract are up for discussion. Lyla and Tim talk about their future together. Mindy and Billy's wedding day has finally come. Tyra waits for some hopefully happy news about her waiting list status.

Adam heads to Boston to try the famous Challenge Burger at the Eagle's Deli, which contains 5 pounds of beef, 20 slices of cheese and 20 slices of bacon.

When Sheldon is busy trying to link a rapist to the case he is working on, he believes this rapist may have attacked Kara. Now he has one hope catching the guy but will he become obsessed with this again and let it cloud his judgment as a CSI?

The murder of the plaintiff in a high-profile lawsuit against a major airline leads detectives to a defense attorney who is willing to do whatever it takes to ensure his big payday.

Patty believes there is more to the Daniel Purcell case than a simple murder, while Ellen continues her attempt to take down Patty by trying to turn Tom against her.

The chefs take another road trip, this time to Massachusetts and Blue Hill Farm where they must gather their own ingredients, and then serve dinner to the farmers as they explore the flavors of regional produce and sustainable agriculture. Dan Barber, Chef and Co-Owner of Blue Hill Farm and restaurants, guest judges.

Coming Soon...

Frequent guest and the editor of "Newsweek International", Fareed Zakaria.

Tonight Stephen welcomes the4 founder and CEO of Be the Change, Inc, Alan Khazei.

Emma and Shaun become team members and are shown what a long con involves. Also, Carlton Wood and Harry Fielding have stolen a security system and Mickey wants to use the new recruits to teach them a lesson.