The final three teams get down and dirty at a farm where they must work with animals. Two teams face elimination, one team is eliminated, and the final two teams are revealed.

Brennan has to work with another agent, Agent Sullivan, while Booth needs to see a therapist.

They investigate the death of a college freshman, who took part in a 'Girls Gone Wild' type of video and whose body is found in an alligator.

Sullivan asks Brennan out.

Tonight, American Idol presents the Best of the Rest, never-before-seen auditions. This is the final audition show before the contestants go to Hollywood.

Mercy's Muslim women protest co-ed swimming classes at the local pool. Mayor Popowicz refuses to change the rules, nervous at what voters will think if she's seen kowtowing to the Muslims. Meanwhile, Baber refuses to let Layla go out for Halloween, causing Amaar to suggest an Islamic version of the heathen holiday. In the end, the pool remains integrated, but Fatima dons an outrageous bathing suit to ensure she remains fully covered.

For their plan, The Knights of Prosperity have to use Gary's family, but his ex-wife hasn't seen him in more than 15 years and is not happy to see him now, and he had never connected with his son.

In this conclusion of a special two-part episode, finding the serial killer becomes critical to the BAU when the team realizes Reid is being held captive and a live feed of him being tortured is shown on the internet. Meanwhile, Reid's troubled childhood is revealed in flashback sequences as he drifts in and out of consciousness.

The Panthers savor their crucial playoff-win-until race issues emerge and sorely test their bond after Mac makes racial statements. Tami frowns upon Julie's newfound friendship with Tyra. The girls play a powder-puff football game.

A class assignment reveals the deepest secrets and desires of Lucas and the students at Tree Hill High. Worried about college prospects, Skills turns to Haley, while Nathan wrestles with Deb's suicide attempt. Chase learns that Brooke cheated on her calculus exam, while nudity and drugs run rampant in the halls of the school.

Reed Garret gives Mac some interesting information regarding the death of a college student. Also the rest of the team will need to be a step ahead of Ava Brandt to figure out why a security guard was murdered.

Jack has the Others in a desperate situation as he holds Ben's life in his hands. Meanwhile, Kate and Sawyer try to escape from their captors. Flashbacks reveal Juliet's past as a medical researcher in Miami.

Arliss Howard reprises his role as Texas Ranger, Captain Kenneth Push, who returns to Allison's life when he experiences unnerving visions about a Phoenix-based slaying. Meanwhile, Joe tells a little white lie---and suffers the consequences.

Alex brings Stacy to the house, and Colie's lingering feelings for him erupt.

Tonight consumer advocate and author of The Seventeen Traditions, Ralph Nader.
Jon begins with the bizarre story of the crazy diaper wearing astronaut Lisa Nowak out for revenge. He discusses this latest story with Rob Riggle, Senior Space Correspondent. Finally, Jon look at the media's use of various kinds of news consultant and discusses this with Samantha Bee, Senior Continental Revenge Trek Analyst.

Tonight Stephen welcomes MIT professor of psychology Steven Pinker.

An ex pupil mugs Steph. Jack and Roger clash when they disagree about the future of the school.

Coming Soon...

Jal has reached the finals of 'Young Musician of the Year', but do her family want her to succeed? Her untalented brothers won't let her practise and her father, who resents Jal's resemblance of her mother, seems more concerned about his younger pretty blonde girlfriend. Meanwhile, it looks like Sid is not out of trouble yet...