In Columbia, JT is heading an undercover operation to nail the drug lord who attacked Angie. Now he has to finish a job they started together years ago.
Back in the Pentagon, Sam finds evidence on the CIA director and has him indicted.

In honor of Hyde's new married status, the guys decide to throw him a belated surprise bachelor party. But when Kelso gets distracted by a new ice cream girl, the guys are the ones left out in the cold. Meanwhile, Jackie questions Donna's loyalty after Donna befriends Hyde's new stripper wife.

Join host Alton Brown as he looks into the past, future and present of the very handy "pocket" pie.

Freddie finds himself falling for the beautiful woman who opens a bakery down the street - and who is putting a serious dent into his dessert business. There's only one problem: Chris asks her out first, and seems to be really falling for her too. Meanwhile, Allison decides to send her resume around to drum up job offers.

The BAU profiles a serial killer who takes families hostage and lives with them as a father figure during what is supposed to be their family vacations.

In Steel Toe Amputation, Adam and Jamie test steel toe boots ability to protect from heavy objects. In Bottle Blast Off, the Build team fills soda bottle and watch it lift off, testing Newton's third law.

Brooke makes a "Fantasy Boy Draft," after all of the cheerleaders are fighting over the same guys. Haley and Peyton continue to argue over Nathan. Dan butts heads with Karen because the election is drawing nearer. Lucas is trying to keep up with the fast pace of basketball.

Because Aaron Echolls has been charged and facing a trial for the murder of Lilly, the previously accused Abel Koontz is free and out of prison. Once he is out he seeks Veronica's help in finding Amelia, his missing daughter. Trying to find Amelia will lead to an unfriendly confrontation with Kane Software's head of security. When a witness comes forward Logan is arrested for the murder of biker Felix Tombs and meets with a surprise visitor while in jail. Keith anxiously awaits the results of the Sheriffs race for on election night.

The girls meet a previous ANTM winner, do a wild phtoshoot and one of the girls wins the chance to appear on Veronica Mars

Horatio Caine follows Henry Darius to New York so that he can keep his promise to a young boy in Miami, but by the time he and Mac are able to locate Darius he has disappeared again, leaving behind six more bodies. A link to the younger sister of one of the victims who was also Darius' hostage turns out to be a dead end, but Mac and Horatio soon find the connection between Darius and his hostage, leading them to a psychiatrist who had treated both.

After barely surviving a car crash that has left her injured and the fate of her unborn baby in question, Larkin is picked up by a man whose suspicious actions cause her to question his motives. Meanwhile, Mariel desperately tries to reconnect emotionally with son Jesse.

Fontana and Green investigate when the body of a young mother who had recently cleaned her life up is found in her apartment, with her five-day-old infant son Nicholas missing. Detectives soon track down Arlene Tarrington and ascertain that the infant she is claiming is hers is really baby Nicholas, but after her lawyers make a claim of post-partum psychosis and another man comes forward claiming to be the child's father, McCoy and Borgia are forced to decide which of the two they would rather lock up for the crime.

Sawyer's wound becomes life-threatening as he, Michael and Jin make their way through the interior of the island with the tail section survivors. Meanwhile, Shannon is once again haunted by visions of Walt.

After giving a presentation on 'Ginger Kids' in class, Cartman gets the other students to discriminate against them. To teach him a lesson, Stan, Kyle, and Kenny sneak in to his room and use makeup to give him the appearance of a Ginger. Their lesson is not realized when Cartman begins to rally his fellow Gingers against the other kids.

TONIGHT: Star of "Pride & Prejudice," Keira Knightley! Plus Rob Corddry on "You Paid For It ... With Your Money," and Lewis Black with "Back in Black."

TONIGHT: Stephen Colbert welcomes author of "Spook: Science Tackles the Afterlife", Mary Roach!

Martin Clunes returns as the grumpy GP of sleepy Portwenn in this new series. Dr Ellingham visits an elderly patient in the village - but ends up having to contend with her irate son. To make matters worse the lad turns out to be one of Louisa's ex-boyfriends. However, trouble is not just confined to the doctor's daily routine as the rest of the community must deal with the threat of a mystery mugger.

A former spook with a secret agenda holds the team hostage, threatening to blow up Thames House unless they tell her the "truth" about the death of Diana, Pricess of Wales. Ruth is left to try to talk her out of her murderous plans, but the team fails to see their former colleague's real agenda until it is too late