8 p.m., FOX
American Idol
Idol Season 8 runner-up Adam Lambert serves as a mentor for the contestants.9 p.m., CBS
Lost
Hurley (Jorge Garcia) wonders what he should do next, and the Locke monster (Terry O'Quinn) is curious about the latest arrival to his camp. Oh, the intrigue!9:28 p.m., FOX
Glee
Yep, you read that correctly. Glee is back&3151;at a really weird time! In the spring premiere, Rachel (Lea Michele) gets involved with Vocal Adrenaline's star singer, Jesse St. James (Jonathan Groff)—so Mr. Shu (Matthew Morrison) visits their advisor (Idina Menzel) to see if St. James is spying.Season 1 finale, 9 p.m., CW
Melrose Place
In the Season 1 finale, Amanda (Heather Locklear) fires Ella (Katie Cassidy)—and Ella fires back. Plus, David (Shaun Sipos) and Lauren (Stephanie Chaves-Jacobsen) get back together with no help from Morgan (Melissa Ordway).10 p.m., FX
Justified
Raylan's (Timothy Olyphant) father (Raymond J. Barry) is arrested, so Raylan has to bail him out of jail. How's that for being a good son?
Also on the airwaves...
Dancing with the Stars, 8 p.m., ABC
The Biggest Loser, 8 p.m., NBC
90210, 8 p.m., CW
V, 10 p.m., ABC
Parenthood, 10 p.m., NBC
Millionaire Matchmaker, Season 3 finale, 10 p.m., BRAVO
Law and Order: Criminal Intent, 10 p.m., USA
NBA Basketball: Celtics v. Bulls, Nuggets v. Suns
What are you watching tonight?
Follow TV.com writer Stefanie Lee on Twitter: @StefAtTVDotCom






Melrose Place and 90210
Lost Lost Lost and a little bit of V lol
V 90210 and parenthood.
LOST
Melrose sucks and is not even worth writing about!
Glee & Parenthood
omg illana just blew herself up on lost:O
forget Melrose place. 90210 and parenthood for me.
Glee! Justified, and Parenthood
My shows aren't on.
Lost,Glee
Lost is the best! I love Tuesdays!
I wish Glee and the president of Poland would have switched places a few days ago. Justified FTW.
LOST for sure, V, I'll be watching Glee as well. I'm also looking forward to seeing Raylan's interaction with his father on Justified.
You forgot Deadliest Catch! How could you forget that show? The new season premiers tonight. That's what I'm watching. The rest can wait. (Of course, Lost and V will be DVRed).
LOST & V
Lost and Glee, and I might watch some of American Idol.
LOST all the way
LOST!
American Idol (especially because Adam Lambert is on!!!), Glee, and Justified.
LOST and only LOST !!
Justified and V
Glee(finally!), Lost of course and maybe V though I'm thinking of giving up that show, again. I wanted to like that show so uch but it's jsut crap right now
ugh..nothing to watch today, I guess I just might tune into V for the very first time ever.
Lost, Justified
Lost,90210,Glee
GLEE!!!... Lost and V too
Glee!
None of that.
Lost and Justified