(ALL TIMES ET)

8PM | AMC – SEASON ONE MARATHON
The Walking Dead – Yep, season one is available on DVD, or you can watch the whole thing unfold, marathon viewing-style, tonight on AMC, and check out lots of behind-the-scenes featurettes at AMCTV.com.

8PM | CBS
The Defenders – Kathy Griffin guest stars as a comedian who gets sued for insulting an audience member.

8PM | FOX
NAACP Image Awards – The multi-talented Wayne Brady co-hosts with Holly Robinson Peete, as Tyler Perry leads all nominees with 19 nods and Colin Powell receives the President’s Award.

8PM | CNN
Race and Rage: The Beating of Rodney King – The 20th anniversary of the Rodney King police brutality drama was March 3, and this CNN special includes an interview with King about the brutal beating he suffered in 1991 and the 1992 riots that followed the exoneration of the LAPD officers who abused him, as well as an update on the LAPD and race relations in Los Angeles in the last two decades.

8PM | THE CW
Smallville – Lionel and Tess duke it out for control of the Luthor name.

8PM | ABC
Supernanny – Jo rides the rescue of a family with five kids, who are disciplined with wooden spoons and hot sauce, or not at all, since the fam spun out of control after the death of their grandmother.

8PM | NBC
Who Do You Think You Are? – Pop crooner Lionel Richie traces his family tree and finds a connection to the beginning of the civil rights movement.

9PM | TLC
Say Yes to the Dress – A guy schedules an appointment for his girlfriend, so he can propose to her in the salon. Reeeeally hope she’s gonna say yes to the proposal.

10:30PM | TLC
DC Cupcakes – In the “Operation Cupcakes” episode, the bakers whip up 10,000 tasty treats to send to U.S. troops in Afghanistan.

11PM | VH1
Friday Night Alright: Adele Unplugged – The incredible, and incredibly cool, British singer, who has the number one album in the country, performs an acoustic set.

Worth flipping to during commercials:
– Yep, it’s all about the junior rednecks on My Big Redneck Baby (8:30PM, CMT), where a couple prepares for a newborn with a camouflage nursery and a beer can mobile;
– Fitz returns and wants to meet with Eli and Clare on Degrassi (9PM, TeenNick);
– Karl shares a poem about his kidney stones on The Ricky Gervais Show (9PM, HBO);
– Bobby and Samuel help Sam and Dean hunt for a deadly monster created by Mother of All on Supernatural (9PM, The CW);
– The Truth About Shoplifting (9PM, CNBC) sheds light on how everyone else pays higher prices when those with sticky fingers help themselves to merch;
– In the third season premiere of American Loggers (10PM, Discovery), the guys have a successful summer and decide to construct their own logging trailers;
– Just before he leaves to try to retrieve the Golden Trident from the Fisher King, Morgana gives Merlin a bracelet that takes away all his strength on Merlin (10PM, Syfy).

And the late-night line-up:
– The Late Show with David Letterman (11:35PM, CBS): Piers Morgan (REPEAT);
– The Tonight Show with Jay Leno (11:35PM, NBC): Aaron Eckhart and Christie Brinkley;
– Jimmy Kimmel Live (12:05AM, ABC): Tom Hanks and Cee Lo Green (OSCAR NIGHT REPEAT);
– Late Night with Jimmy Fallon (12:35AM, NBC): Chris Pratt and Kathy Bates;
– The Late Late Show with Craig Ferguson (12:37AM, CBS): Kathy Griffin;
– Last Call with Carson Daly (1:35AM, NBC): Josh Radnor.