8 p.m., CW
The Vampire Diaries
Katherine (Nina Dobrev) tells Stefan (Paul Wesley) what really happened on that fateful day in 1864 when she turned him into a vampire. Man, I love a good 100-plus-year flashback.8:30 p.m., NBC
30 Rock
Brian Williams is guest-starring in this episode, which obviously means that you need to watch it. I hope he takes over Kenneth’s empty page position. Plus, Paul Giamatti guest-stars as Liz’s (Tina Fey) new love interest and Jack (Alec Baldwin) tries to teach his unborn son how to be a Donaghy.9 p.m., FOX
Fringe
Bolivia (Anna Torv) “helps” Peter (Joshua Jackson) and Walter (John Noble) solve a case involving a mysterious box that causes people to go into permanent trances. Walter also attends the reading of William Bell’s will.10 p.m., NBC
The Apprentice
This week, the candidates must run a doggie day care—under the watchful eye of The Dog Whisperer’s Cesar Millan, of course.10 p.m., FX
It’s Always Sunny in Philadelphia
Mac (Rob McElhenney), Charlie (Charlie Day) and Dennis (Glenn Howerton) buy a boat with the intention of throwing parties on it, but Charlie, Dee (Kaitlin Olson), and Frank (Danny DeVito) end up causing some major damage after they’re tasked with cleaning it up.11 p.m., COMEDY
The Daily Show
Jon Stewart welcomes Justin Timberlake. Swoon!
Also on the airwaves...
My Generation, 8 p.m., ABC
The Big Bang Theory, 8 p.m., CBS
Bones, 8 p.m., FOX
Community, 8 p.m., NBC
$#*! My Dad Says, 8:30 p.m., CBS
Grey’s Anatomy, 9 p.m., ABC
CSI, 9 p.m., CBS
The Office, 9 p.m., NBC
Nikita, 9 p.m., CW
The Real Housewives of Washington D.C, 9 p.m., BRAVO
Project Runway, 9 p.m., LIFETIME
American Chopper: Senior vs. Junior, 9 p.m., TLC
Outsourced, 9:30 p.m., NBC
Private Practice, 10 p.m., ABC
The Mentalist, 10 p.m., CBS
Ace of Cakes, 10 p.m., FOOD
Stan Lee’s Superhumans, 10 p.m., HIST
Jersey Shore, 10 p.m., MTV
The League, 10:30 p.m., FX
College football: Texas A&M; v. Oklahoma State, Hampton v. Delaware State
What are you watching tonight?
Follow TV.com writer Stefanie Lee on Twitter: @StefAtTVDotCom
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