"The Oprah Winfrey Show" (WJLA at 4 p.m.) has a high-profile guest list for Friday's show, including former Alaska governor Sarah Palin, "Avatar" director James Cameron and pop star Lady Gaga.
A talk-show host caught in a scandal about an affair in the workplace? Hmm, that sounds familiar. "Law & Order" (NBC at 8) grabs another big story from the headlines as "The Daily Show's" Samantha Bee guest-stars as the host -- though in this case, the story also involves the murder of a journalist.
A new family and a young couple are about to be torn apart by a crazy secret on "Ghost Whisperer" (CBS at 8), but Melinda comes to the rescue.
Jo from "Supernanny" (ABC at 9) might be the only person who can help the Hallenbeck family: 25-year-old daughter Kristin lives at home with her two young sons, and expects her parents to do all the work.
"Bill Moyers' Journal" (WETA at 9) hosts "Three Cups of Tea" author Greg Mortenson, who has led an effort to build schools in Afghanistan and Pakistan.
Echo and the gang head to Arizona on "Dollhouse" (Fox at 9), but not for a fun road trip -- the crew must dismantle the Rossum Corp.'s mainframe.
Devalos faces a tough day on the anniversary of his daughter's death, and Allison's dreams uncover more details about her on "Medium" (CBS at 9).
Budding business owners pitch their ideas on "Shark Tank" (ABC at 9), and the sharks bring one woman to tears when she tells them her plan to create a "shopping experience" for kids.
The 15th Annual Critics Choice Movie Awards (VH1 at 9) is hosted by Kristin Chenoweth, while Nick Jonas and the Administration provide music as the house band.
While the team looks for a bunch of high-caliber firearms that were lost in the mail, Charlie and Amita fight about a wedding date on "Numb3rs" (CBS at 10).
Actress Julianne Moore and former football star Terry Bradshaw are guests on "The Jay Leno Show" (NBC at 10).
On a special edition of "Politics Program With Mark Plotkin" (NewsChannel 8 at 11) to discuss Saturday's inauguration of Virginia's new governor, Bob McDonnell, former governors Linwood Holton and Jim Gilmore stop by, along with two surprise guests.
"Late Show With David Letterman" (CBS at 11:35) hosts actress Glenn Close, comedian Eddie Brill and musical guest Matt Morris.
Actor Jeff Bridges visits "The Tonight Show With Conan O'Brien" (NBC at 11:35), along with actress Mary Lynn Rajskub and a performance by Lifehouse.
-- Emily Yahr