Portlandia (8pm, IFC) - If you have the Indepedent Film Channel, you can spend the entire night cracking up at episodes of "Portlandia" (defies a brief description, but it's really funny) and "Onion News Network."
Who Do You Think You Are? (8pm, NBC) - Season 2 of this genealogical research show kicks off with actress Vanessa Williams tracing her ancestry. Her investigation directs her to South Carolina, where she uncovers a familial connection to the Civil War's Union Army.
Super Bowl's Greatest Commercials (9pm, CBS) - Jim Nantz and Lara Spencer host a look at the 10 best commercials to air during the past 44 Super Bowls, with viewers choosing the top spot. Also, a preview of 2011 commercials.
Fringe (9pm, Fox) - A scientist's ingestin of a blue powder causes his bones to disintegrate, leading government officials to suspect a biological attack, but the Fringe team's investigation may hinge on assistance from a former test subject of Walter's.
Barbara Walters: A Matter of Life and Death (10pm, ABC) - Just in time for tax season, Barbara Walters figures out a way to write off last year's heart surgery. Walters shows clips of famous people (David Letterman, President Bill Clinton, Regis Philbin) talking about their heart surgeries, and of course, talks about her own. Walters had aortic-valve replacement in May 2010. She also has a physician discuss how women's symptoms can differ from men's.
Real Time with Bill Maher (10pm, HBO) - Guests include Egyptian-born journalist Mona Eltahway, PBS host and museum director Neil deGrasse Tyson, director Charles Ferguson, columnist John Fund, and NY congressman Anthony Weiner.