“24” Jack and Renee Walker pursue Dubaku through the streets of Washington, D.C., with a little cyber help from Chloe. Meanwhile, the first family and the FBI are left reeling from incidents involving turncoat agents. Olivia Taylor: Sprague Grayden. Monday at 9 on Fox.
“The Closer” In the Season 4 finale, Brenda and Fritz's wedding is only a day away, but obsessive investigations jeopardize the big event. Here, Brenda probes a murder at an escort service, while Fritz focuses on finally nabbing a high-rung drug figure. Helping with their nuptials: Brenda's parents (Barry Corbin, Frances Sternhagen) and Fritz's sister (Amy Sedaris). Monday at 9 on TNT.
“True Beauty” A winner is named in the first-season finale after an intimate interview with editor Jess Cagle tests contestants' inner beauty and a seminude photo shoot with photographer Matthew Rolston tests their outer beauty. The winner gets a cash prize and a spot in People magazine's 100 Most Beautiful People issue. Monday at 10 on ABC.
“NCIS” A fellow agent is murdered, sending the team to the desert to find a woman who may have answers. Tuesday at 8 on CBS.
“Nip/Tuck” Lizzie clashes with her mother (Lillian Hurst) while preparing for a big event, and Christian looks to hire a new surgeon for the practice. His choice: Dr. Logan Taper (Richard Burgi), who's instantly attracted to his new office. Meanwhile, a woman (Elaine Hausman) Sean treated in Miami returns for more plastic surgery at the insistence of her dying husband (Richard Portnow): He wants her to attract suitors after he's gone. Tuesday at 10 on FX.
“Leverage” In the conclusion of the Season 1 finale, an underground Nate resurfaces to tangle directly with his nemeses---avaricious CEO Blackpoole (Kevin Tighe) and ex-coworker Sterling (Mark A. Sheppard). His plan: to pilfer two prized David statuettes. But for the caper to succeed, Nate must bring his splintered squad back together. Dean Devlin directed. Tuesday at 10 on TNT.
“Privileged” In the first-season finale, Marco and Keith prepare for their nuptials with the help of a wedding planner (Kathy Griffin). Elsewhere, Megan and Lily gently confront their father about his drinking; Sage is hurt when she hears Rose is skipping their annual spa vacation to go on a wilderness trip; Will and Megan have a fight and break up; and Luis shocks Sage when he reveals he's opposed to gay marriage. Wednesday at 8 on The CW.
“American Idol” Performances by the second set of 12 semifinalists. Wednesday at 8 on Fox.
“Top Chef: New York” The winning chef is revealed in the conclusion of the Season 5 finale, which is set in New Orleans. Wednesday at 10 on Bravo.
“The Black List: Volume Two” A second compilation of interviews with influential black Americans, including filmmaker Melvin Van Peebles, environmental activist Majora Carter, artist Kara Walker and country-music star Charley Pride. Interviews are conducted by Elvis Mitchell. Directed by Timothy Greenfield-Sanders. Thursday at 8 on HBO.
“The Beast” A fellow agent vanishes, sending Barker undercover to infiltrate a group of Latino drug dealers who may have something to do with the man's disappearance. Lou Diamond Phillips guest stars. Thursday at 10 on A&E.
“The Chris Isaak Hour” Music artists join singer-actor Chris Isaak to perform and chat about their lives and careers. First up: country crooner Trisha Yearwood. Thursday at 10 on BIO.
“The Backyardigans” The villagers of Filthingham are fed up with Mayor StinkyPants and his anti-hygiene rules, so they seek help from Robin Hood the Clean. Music genre: countrypolitan. Friday at 9 on Nickelodeon.
“NUMB3RS” Charlie tries to prevent a new illegal drug from hitting the streets. But his plan places Liz, who is working undercover, in danger. Friday at 10 on CBS.
“Battlestar Galactica” Someone to Watch Over Me Friday at 10 on Sci Fi.
“Gone Country” Cast members record demos of their original songs, which are critiqued by hit country songwriter Jeffrey Steele. Saturday at 8 on CMT.
“True Jackson, VP” Max decides his employees need to do some team building, so he turns the office into a jungle so they can attempt some trust exercises. Saturday at 8:30 on Nickelodeon.
“Anacondas: Trail of Blood” A monstrous mutant snake becomes two snakes after it is split into two. John Rhys-Davies; Crystal Allen. Directed by Don E. FauntLeRoy. Saturday at 9 on Sci Fi.
“Rock of Love Bus With Bret Michaels” The pink bus takes on the blue bus in the Mudbowl, and Bret whisks the MVP off on a romantic overnight trip. Meanwhile, one contestant deals with the passing of her father, and Bret gets some bad news, too. Sunday at 8 on VH1.
“Jesse Stone: Thin Ice” Tom Selleck stars as New England police chief Jesse Stone in the fifth installment of the TV-movie series. Jesse is investigated by Boston's Internal Affairs after he's involved in a gunfight that leaves his friend, Commander Healy, seriously wounded. Back in Paradise, Jesse agrees to help a distraught mom search for her missing child. Rose: Kathy Baker. Dr. Dix: William Devane. Sunday at 9 on CBS.
“United States of Tara” After getting her breasts done, Charmaine wakes up in the recovery room, where she is surprised to find "Buck" at her bedside, and even more surprised when they bond. Meanwhile, Kate's romantic advice to Marshall is for him to play hard-to-get with Jason (Andrew Lawrence). Sunday at 10 on Showtime.