Wednesday's TV Highlights: Nathan plays the role of a fashion designer on 'Leverage'
TOP DESIGNER: The team infiltrates the fashion world to take down a sweatshop owner on "Leverage," starring Jeri Ryan and Timothy Hutton, at 10 p.m. on TNT.
The New Adventures of Old Christine: Christine (Julia Louis-Dreyfus) tells her therapist (Eric McCormack) that she is in love with him (8 p.m. CBS).
Mercy: The hospital admits three promiscuous college students who have meningitis (8 p.m. NBC).
American Idol: Auditions continue in Atlanta (8 p.m. Fox).
Gary Unmarried: Sasha (Brooke D'Orsay) flirts with surfer Laird Hamilton in this new episode (8:30 p.m. CBS).
The Middle: Mike (Neil Flynn) inadvertently lands on the unemployment line after he discovers a dinosaur bone in the quarry, causing researchers to shut down the plant (8:30 p.m. ABC).
Man vs. Wild: Bear travels to China in the aftermath of a typhoon and encounters swollen rivers, limestone gorges, stinging ants and then catches bats for food (9 p.m. Discovery).
MonsterQuest: An expedition tries to tag the first great white shark in the Atlantic, and divers attach a camera to a great white shark to study why they are becoming more aggressive (9 p.m. History).
Cougar Town: Jules (Courteney Cox) starts to worry when things begin to heat up with her boyfriend, Jeff (Scott Foley), in this new episode (9:30 p.m. ABC).
Dog the Bounty Hunter: Bobby Brown asks Dog and his team for help hunting a fugitive, but they take his promise that "it will be an easy one" with a grain of salt (9:30 p.m. A&E).
CSI: NY: Mac (Gary Sinise) and his team discover evidence at the crime scene has been planted -- a revelation that pits them against a trusted colleague. D.B. Sweeney, John Charles Meyer and Judith Hoag guest star with Melina Kanakaredes and Eddie Cahill (10 p.m. CBS).
Solving History With Olly Steeds: Olly Steeds tracks clues that the biblical Ark of the Covenant was taken out of Jerusalem and is in Ethiopia (10 p.m. Discovery).
High School Reunion: Former classmates from Las Vegas' Chaparral High School class of 1989 gather for their 20th reunion on the Hawaiian island of Kauai, as the unscripted series begins a new season (10 p.m. TV Land).
Tosh.0: Daniel Tosh returns for a new season of lampoons, viral videos, blogs, websites and technologies (10:30 p.m. Comedy Central).
Grey Gardens: Jessica Lange -- who won an Emmy Award for the project -- and Drew Barrymore make an expectedly potent duo in this 2009 dramatization of a story about two relatives of Jacqueline Bouvier, who would take the last names Kennedy and Onassis. Costar Ken Howard also won an Emmy (6:15 p.m. HBO).
College basketball: Boston College at Duke (4 p.m. ESPN); Pittsburgh at Connecticut (4 p.m. ESPN2); North Carolina at Clemson (6 p.m. ESPN); Kansas at Nebraska (6 p.m. ESPN2); Utah State at Nevada (8 p.m. ESPN2).
Pro basketball: The Clippers visit the New Orleans Hornets (5 p.m. FS Prime); the Lakers visit the Dallas Mavericks (5:30 p.m. KCAL).
Hockey: The Boston Bruins visit the Ducks (7 p.m. FSN).
Photo: Darren Michaels / TNT