Cats 101 (8pm, Animal Planet) - The Season 4 premiere looks at Kurilian bobtail, chausie, dwelf, Burmilla and lambkin breeds.

20/20: Sunset Boulevard - The American Dream Machine (9pm, ABC) - Jay Schadler (left) reports from the famous 22-mile boulevard that stretches from Beverly Hills to the Pacific Ocean. Tales include a young war veteran who wants to be an actor, teenagers at Hollywood High, and the murder of a Hollywood beauty-turned-runaway. There are interviews with Johnny Depp, Keanu Reeves, Mickey Rourke, Alice Cooper, and Hugh Hefner -- all featured in a recent documentary, "Sunset Strip: The Movie." And also, unprecedented access to the Roxy nightclub, run by Lou Adler and his son Nic.

Alien Tornado (9pm, Syfy) - Aliens attack Earth with deadly electrical tornadoes, and it's up to a farmer, his smart high school daughter and a tornado blogger to thwart the horrific invasion. In other words, we are doomed.

The Firm (9pm, NBC) - Mitch makes a deal with Kevin Stack to keep Abby safe, and the FBI arrests Mitch and Ray. Also, Abby tries to manipulate her captors in a bid to escape.

Paul F. Tompkins: Laboring Under Delusions (11pm, Comedy Central) - A one-hour (too short!) comedy special in which Tompkins discusses some of his former jobs. This is really, really funny. Read more about it here.

The Bishop's Wife (8pm, Turner Classic Movies) - I adore this movie. A dapper angel (Cary Grant) tries to solve the social and domestic problems of a  bishop (David Niven) at Christmastime. Loretta Young stars as the bishop's wife.

Chuck (8pm, NBC) - Chuck and Sarah race against time to take down a dangerous computer virus, pitting them against Robyn Cunnings (Rebecca Romijn, right), a ruthless spy who will stop at nothing to get what she needs. Meanwhile, Ellie and Awesome’s date night takes a dangerous turn and Morgan is sent on a special mission to recover Chuck’s P.A.N.T.S.  Adam Baldwin also stars.

Grimm (9pm, NBC) - A murder investigation in the woods leads to the reopening of a missing-person case, and Nick asks Monroe to make contact with a feral creature.

The Life and Times of Tim (9pm, HBO) - In the Season 3 premiere, Tim finds work as an assistant to a women's professional-basketball player and decides he needs a haircut for a job interview.

20/20: Million Moms Challenge (10pm, ABC) - A special on ABC's initiative to raise awareness and funds to address pregnancy issues and children's health issues.

Sanctuary (10pm, Syfy) - A quest to capture a legendary Abnormal in Bolivia leaves Will and Magnus injured and trapped in a cave-in, where they confront truths about themselves and their relationship.

CMT Music Awards (8pm, CMT) - "American Idol" winner Scotty McCreery will be a presenter on tonight's award show, which is hosted by Kid Rock. Rascal Flatts, Keith Urban, Jason Aldean, Sugarland, and Lady Antebellum are scheduled to perform.

Minute to Win It/America's Got Talent (8pm, NBC) - This is happening all night long. 'Minute' starts at 8pm and then two hours of 'AGT.'

So You Think You Can Dance (8pm, Fox) - Contestants go to Las Vegas for callbacks to compete for a spot in the Top 20.

Haunted Collector (9pm, Syfy) - The second episode of a new show in which a team of paranormal "experts" visit locations to determine the source of a haunting -- which is sometimes, according to them, an inanimate object that spirits affix to. So yes, that creepy clown cookie jar you got from your grandmother? It might actually be haunted.

20/20 (10pm, ABC) - On a night when the only new content on the major broadcast networks is reality programming, ABC explores the popularity and profitability of reality television in America. Since they're talking about making lots of money, expect lots of discussion of MTV's 'Jersey Shore' (right).

Men of a Certain Age (10pm, TNT) - Joe does a favor for his ailing bookie, Manfro, and Terry faces up to the end of his romance with Erin. Great episode.

Locked Up Abroad (10pm, National Geographic Channel) - Mobster turned informant Henry Hill, who was portrayed by Ray Liotta in Martin Scorsese's "Goodfellas," shares his story.

Supernatural (8pm, CW) - Two back-to-back episodes close out the sixth season tonight. In the finale, the memory-blocking wall inside of Sam's head that keeps his darkest memories from him comes crashing down and he struggles to deal with the consequences.

Friday Night Lights (8pm, NBC) - Coach Taylor is praised in a popular magazine, a figure from Vince's past makes a demand, Luke digests the news about TMU, and Julie's return to college is delayed.

Flashpoint (8pm, CBS) - Mike fears his former mentor may be implicated in a case that involves corruption, drug dealers and an attempted gang execution.

Real Time with Bill Maher (10pm, HBO) - Amy Chua and Zach Galifianakis are the interview guests tonight. Last time Galifianakis was on the show, he made headlines when he lit up and smoked a joint to illustrate his point about the legalization of marijuana. He also discussed his uncle Nick Galifianakis' failed senate run against Jesse Helms. I'm sure he's on tonight to promote 'Hangover 2,' but with him, you never know what else might come up. Other guests include author Reza Aslan, commentator Dylan Ratigan, and journalist Gillian Tett.  

20/20 (10pm, ABC) - A report on infomercials and the "as seen on TV" products they promote. Includes interviews with celebrity product spokespersons and infomercial entrepreneur A.J. Khubani.

Friday Night Lights (8pm, NBC) - Coach Taylor realizes not everyone is pleased with the Lions' first game of the season. Also, Vince receives some unexpected benefits due to his status as a football player, and Luke's aggression on the field has repercussions.

Royal Wedding of a Lifetime (8pm, Lifetime) -- More episodes in Lifetime's look at the upcoming wedding of Prince William and Kate Middleton.

Girls' Night Out: Superstar Women of Country (8pm, CBS) - A tribute night honoring women of country music includes performances by the Judds, Miranda Lambert, Martina McBride, Carrie Underwood, and Reba McEntire.

Talking Funny (9pm, HBO) - A one-hour special in which comedians Jerry Seinfeld, Chris Rock, Ricky Gervais, and Louis C.K. discuss the philosophy of their craft, their styles, the value of recycling material, their favorite bits, and memories of routines that were instant successes. Executive-produced by Gervais. Read our review, then learn more about the show and watch some clips.

Fringe (9pm, Fox) - Walternate's thirst for revenge drives him to cause trouble in the other universe.

20/20 (10pm, ABC) - Elton John and his partner David Furnish discuss parenthood with Barbara Walters, and introduce their son Zachary, who was born in December.

Sanctuary (10pm, Syfy) - Magnus returns to a disheveled Sanctuary just hours before it is to be inspected by the chief of a UN security team. But first, she encounters Henry, who claims he was attacked by Will. And then she learns Bigfoot is missing.

NCAA Tournament (CBS, TNT, TBS, truTV) - Games continue. Of local interest, Duke vs. Hampton at 3pm on truTV and UNC vs. Long Island at 7pm on CBS.

Supernanny (8pm, ABC) - I can't bear this show, so it heartens me to note that tonight is the series finale. Jo Frost shows up on the 'Late Late Show with Craig Ferguson' later tonight at 1:37am.

Fringe (9pm, Fox) - The investigation into an apparent suicide reveals another set of fingerprints that lead to a woman with unique abilities.

I'm Alive (9pm, Animal Planet) - A helicopter crash survivor returns to his job as a wildlife specialist only to be charged by an elephant and trapped under an overturned rock.

20/20 (10pm, ABC) - Jay Schadler reports on two separate murder cases -- one in Indiana, another in Edmonton -- that investigators suspect were inspired by the Showtime drama "Dexter." Also, Deborah Roberts interviews singer Jennifer Hudson.

Give It Up for Greg Giraldo (10:30pm, Comedy Central) - A special featuring some of the late stand-up comedian's best bits. Gone too soon...

American Idol (8pm, Fox) - Viewer voting begins tonight right after the semifinal round featuring the Top 12 male singers (women perform tomorrow night). That means Scotty McCreery (right) of Garner gets his first shot at performing for voters. Starting tonight, voters can vote the first time online via Facebook. Go to AmericanIdol.com during the voting window and log on using your Facebook account information. That will get you to the "American Idol" voting page where you can select your favorites. You can cast up to 50 votes online. You can also still vote by phone or by text message (AT&T customers only).

Charlie Sheen: In His Own Words (10pm, ABC) - '20/20' sits down with the reclusive Charlie Sheen in an effort to get the shy, reserved actor to open up about his feelings regarding his troubles with his bosses at CBS, his opinions on Alcoholics Anonymous, and whether or not he is in fact a "winner." I sure hope they can get him to talk...

Parenthood (10pm, NBC) - This show has catapulted from "good" to "amazing" this season. In tonight's episode, Adam and Kristina must finally discuss with Max the fact that he has Asperger's. Also, Crosby tries to make amends with Jasmine (let her go, man!).

The Good Wife (10pm, CBS) - The firm sues a social networking site on behalf of a Chinese dissident for failing to protect his anonymity. Meanwhile, Will and Diane try to wrestle control of the firm away from Derrick.

Southland (10pm, TNT) - John's drug issue worsens as Ben approaches the end of his training. Meanwhile, Lydia is involved in a shoot-out while preoccupied with a teenage victim, and Sammy focuses on fatherhood.

Also deserving your attention tonight at 10pm: "Lights Out" on FX, "White Collar" on USA, and "The Game" on BET.

Who Do You Think You Are (8pm, NBC) - Singer and actor Tim McGraw researches his father's ancestry and discovers a link to descendants who were among the nation's first settlers, and a connection to George Washington.

Auction Packed (9pm, National Geographic Channel) - In a new reality series, a family of auctioneers try to track down new merchandise while struggling to keep their business afloat. There's a second new episode at 10pm.

CSI: NY (9pm, CBS) - A woman is kidnapped and held by a hit man, played by Ne-Yo. The investigation uncovers a conspiracy with far-reaching implications.

Fringe (9pm, Fox) - In the alternate universe, the Fringe team is forced to adjust to Col. Broyles' absence during an investigation of a bioterrorist who unleashes a flesh-eating insect. Meanwhile, Secretary Bishop finds his limitations tested, and Olivia reunites with her boyfriend.

20/20: Wrong Turn (9pm, ABC) - Recounting a California family's struggle to survive in the Oregon wilderness in winter after taking a wrong turn off an interstate in 2006. The Kims of San Francisco had intended to take a shortcut to the coast, but the road they took was not maintained and they were caught in a snowstorm. Kati Kim and her two daughters (ages 4 and 7 months) were rescued after nine days, but her husband, who left the car in search of help, died. The report is based on interviews with Kati Kim.

Life Unexpected (8pm, CW) - The final two episodes of Season 2 (and quite possibly, the entire series) air tonight. In one, Baze prepares for a future with Emma, unaware of her secret past with his dad. Then Lux arranges a special meal for herself and Eric, but her parents find out and crash it. No official announcement on cancelation or a third season is expected until May. Charlotte native Britt Robertson plays Lux (left with her dad, Baze).

Pioneers of Television (8pm, UNC-TV) - The Season 2 premiere focues on three TV pioneers: Gene Roddenberry, Rod Serling, and Irwin Allen. Lots of interesting stuff and great interviews. Adrienne has more here.

The Good Wife (10pm, CBS) - Will fears his client isn't getting a fair trial because of the judge's biased attitude, so he hires a jury consultant who claims to be able to predict a case's outcome by reading people's expressions. Also, Will uncovers information regarding Bond's intent for the firm. NOTE!!!! There's a UNC vs. Clemson basketball game on right before this, so be extra cautious and set your recording devices to run late.

20/20: The Congresswoman and the Astronaut (10pm, ABC) - A special program about the relationship between Congresswoman Gabrielle Giffords and her husband Mark Kelly. Features a Diane Sawyers interview with Kelly.

White Collar (10pm, USA) - The show returns for the winter portion of its season (I know, it's confusing the way USA and TNT break up their seasons) with Peter suspended and wrongly accused by the FBI and trying to clear his name -- all while looking for Mozzie's shooter during a sting with Neal (Matt Bomer, right).

Lights Out (10pm, FX) - Lights is threatened with criminal charges and must do the bidding of a loan shark to make it all go away. Meanwhile, his daughter Daniella learns of his health problems. Note: Meredith Hagner, who grew up in Chapel Hill, plays another of Lights Leary's daughters: Eva.

Southland (10pm, TNT) - Ben is thinking of revenge when his mother's rapist is released from prison. Also, Sammy copes with the news of his wife's affair.

The Game (10pm, BET) - Melanie comes clean to Derwin about his son, putting a strain on their marriage, and Jason lashes out against the Sabres.

Blood Dolphin (9pm, Animal Planet) - In the Solomon Islands, Ric and Lincoln investigate an allegedly reformed dolphin dealer as they continue their discussions with the natives involved in dolphin hunting.

20/20 (10pm, ABC) - "20/20" examines the 1985 murder of US Air Force wife Kathryn Eastburn and her two young daughters in Fayetteville. MSgt Timothy Hennis was convicted of the murder in 1986 but the conviction was overturned and Hennis was acquited in a second trial in 1989. Then, the emergence of DNA evidence brought the case back to military court. The show includes interviews with Eastburn's father and her surviving daughter, local journalists, and one of Hennis's lawyers.

Flashpoint (10pm, CBS) - The SRU's actions are called into question after the team responds to a shooting at a museum gala. The lead investigator focuses her probe on Parker in particular.

Haven (10pm, Syfy) - Duke helps Audrey investigate the Colorado Kid case. Also, Nathan and Audrey track a killer loose in Haven, but they find a woman at each crime scene who claims to be trying to prevent the deaths she has foreseen.

Real Time with Bill Maher (10pm, HBO) - Bill Maher returns from hiatus to resume his eighth season with guests Jon Hamm, Mark McKinnon, Martha Raddatz, Michael Moore, and Robert Reich. I love any excuse to post a picture of Jon Hamm (left).