TONIGHT: Lost may be a repeat but all is not, uh, lost for tonight's TV lineup. We've still got American Idol and Glee plus the season premieres of The Hills and The City. Plus, don't forget NBA Playoffs!

8:00 PM

American Idol The remaining karaoke-ers perform the catalog of Shania Twain songs and, in an unbelievable coincidence, she stops by to serve as mentor. (FOX)
Dancing with the Stars The sixth-round results are in and Melissa Ethridge performs. (ABC)
Biggest Loser: Couples The gang heads to Dallas to run a 5K and a rodeo challenge leads to someone gaining immunity. (NBC)
90210 Because last week people were miffed that I hadn't included it, let me be the first to say that 90210 is new tonight. (CW)

9:00 PM

Glee Sue forces the Cheerios to diet in preparation for a magazine interview and Kristin Chenowith returns to help out Will and New Directions. (FOX)
Deadliest Catch Week three of crab season is tough on everyone, especially the newer guys who are pelted with big waves and mean pranks. (DSC)

10:00 PM

The Good Wife Alicia faces off against her old boss Jonas Stern and considers using personal info to help her win. (CBS)
V Ryan confesses to Val that he's a Visitor while Chad deals with his aneurysm with the help of a green screen made to look like the inside of a spaceship. (ABC)
Justified Raylan saves Ava from getting killed and goes after the assailants with nothing but a little guile and his hat. (FX)
The Hills It's back, with all the scripted moments and constructed drama we all crave in reality television. (MTV)
Parenthood Peter Krause teaches his nephew to dance and simultaneously kills all the Nate Fisher goodwill that Dirty Sexy Money hadn't already destroyed. (NBC)

10:30 PM

The City In the Season 2 premiere of a show that shouldn't exist, Whitney shows her collection at Fashion Week and Olivia gets offered an on-camera job. (MTV)

Who's on the Late Night Couches Tonight?

The Daily Show: Richard Whittle (Comedy Central)
The Colbert Report: Conn Iggulden (Comedy Central)
Jimmy Kimmel Live: Dominic Monaghan, the latest "Dancing With The Stars" castoff, Civil Twilight (ABC)
Lopez Tonight: Ozzy Osbourne, Kendra & Hank Baskett (TBS)
Chelsea Lately Jerry Weintraub, John Caparulo, Arden Myrin, Bobby Lee (E!)
The Tonight Show with Jay Leno: Jessica Simpson, Jackie Earle Haley, Dierks Bentley (NBC)
Late Night with Jimmy Fallon: Rebecca Hall, the Whigs (NBC)
Last Call with Carson Daly Jeffrey Dean Morgan, Citizen Cope (NBC)
Late Show with David Letterman: Courtney Love, Michael Caine, Hole (CBS)
Late Late Show with Craig Ferguson: Jay Baruchel, Regis & Joy Philbin (CBS, repeat)