TONIGHT: Justin Bieber performs on American Idol but I'm still not quite sure who he is, plus season finales for Modern Family and Cougar Town and the pilot of the new FOX buddy cop comedy Good Guys.

8:00 PM

America's Next Top Model Highlights and unaired footage are shown in this retrospective of the one billionth cycle of the show. In case you haven't gotten enough already. (CW)
Good Guys Pilot alert! Bradley Whitford and Colin Hawks star in a buddy cop show about a tactless rookie and his bitter partner. (FOX)
I Get That A Lot Celebrities pretend to be regular people who work in shops and such. They really are like us, at least when they pretend to be for their amusement. Appearances by Tim Gunn and Martha Stewart, among others. (CBS)

9:00 PM

American Idol One of the last three is eliminated but who cares because the Biebs will perform! OMG, stop everything. (FOX)
Modern Family It's the season finale and Claire is trying to organize a family portrait. (ABC)
Criminal Minds The team hunts a serial killer who uses social networking sites to find victims. (CBS)
MythBusters A viral video feat is put to the test. (DSC)

9:30 PM

Cougar Town In the first season finale, Jules and Gray concoct a way to tell Bobby that they're together. Predictably, the plan includes lots of red wine and cut away jokes. (ABC)

10:00 PM

Top Chef Masters The chefs have a tailgate challenge while Kelly Choi withers away. (BRAVO)
CSI: NY While recuperating at home, Mac witnesses a crime and if you've seen Rear Window you know the rest. (CBS)
The Challenge: Fresh Meat II There's a major shift in power when one dude cycles down and another cycles up on steroids. (MTV)

Who's on the Late Night Couches Tonight?

The Daily Show: Rerun, TBA (Comedy Central)
The Colbert Report: Rerun, TBA (Comedy Central)
Jimmy Kimmel Live: Michael Douglas, Atticus Shaffer, Reflection Eternal featuring Estelle (ABC)
Lopez Tonight: Chris Noth, Chilli, Allison Iraheta (TBS)
Chelsea Lately Marisa Miller, Josh Wolf, Brad Wollack, Whitney Cummings (E!)
The Tonight Show with Jay Leno: Eddie Murphy, Carrie Ann Inaba, Bruno Tonioli, Damian Marley with Nas (NBC)
Late Night with Jimmy Fallon: Jerry Seinfeld, Jesse Eisenberg, Mike Bender & Doug Chernack, Mumford & Sons (NBC)
Last Call with Carson Daly Chuck Palahniuk, Mike Scotti, Never Shout Never (NBC)
Late Show with David Letterman: Russell Brand, Johnny "Ace" Palmer, Stone Temple Pilots, a Top Ten List presented by Carlton Cuse & Damon Lindelof (CBS)
Late Late Show with Craig Ferguson: Dennis Quaid, Alice Eve (CBS)