Wednesdays TV Highlights: Steven Weber guest stars on ‘In Plain Sight'
The New Adventures of Old Christine: Christine (Julia Louis-Dreyfus) gets a notice that her car lease is up and realizes that her life hasn't evolved in the five years she has had the car. Eric McCormack costars as her therapist in this new episode (8 p.m. CBS).
American Idol: In this season's "Idol Gives Back" episode, Elton John, Alicia Keys, Carrie Underwood, the Black Eyed Peas, Annie Lennox, Jeff Beck and Joss Stone are scheduled to perform (8 p.m. Fox).
P.O.V.: Filmmaker Robert Kenner's Oscar-nominated "Food, Inc." documentary reveals how sick animals, environmental degradation, tainted and unhealthy food, and obesity and other health issues are part of the centralized system of food production (9 p.m. KCET).
Top Chef Masters: Six chefs — Graham Elliott Bowles, Jonathan Waxman, Ludo Lefebvre, Mark Peel, Rick Moonen and Wylie Dufresne — work in the cramped kitchen of the oldest Irish tavern in Los Angeles in this new episode (10 p.m. Bravo).
Tacky House: In the premiere of this new home décor series, host Thom Filicia ("Queer Eye for the Straight Guy") hopes to help a woman who is obsessed with leopard-print designs (11 p.m. Style).
Through a Dog's Eyes: Filmmaker Naomi S. Boak traveled to suburban Atlanta to chronicle the work of a family-run nonprofit organization devoted to training assistance dogs for people with disabilities (8 p.m. KCET).
Baseball: The Dodgers visit the Cincinnati Reds (4 p.m. FS Prime); the Detroit Tigers visit the Angels (7 p.m. MyNet).
Basketball: NBA playoffs: The Charlotte Bobcats visit the Orlando Magic (4 p.m. TNT); the San Antonio Spurs visit the Dallas Mavericks (6:30 p.m. TNT).
Hockey: NHL playoffs: The Buffalo Sabres visit the Boston Bruins (4 p.m. VS); the Vancouver Canucks visit the Kings (7 p.m. FSN and VS).