TONIGHT: Highlights include Warren the Ape, a burger-centered the Best Thing I Ever Ate and more insanity from the Real Housewives of New Jersey. Plus, ABC Family premieres a new Nikki Blonsky vehicle set at a weight-loss camp for teens.

8:00 PM

Lie to Me Cal confronts some disturbing elements from his past while working with an Iraq war vet. (FOX)
Persons Unknown The night manager informs the group that someone will be checking out that night. (NBC)
The Bachelorette Ali and the guys land in Istanbul to wrestle for her affections and hang out in bathhouses. This show is a near facsimile of my life. (ABC)
Secret Life of the American Teenager With Amy in New York City, Ricky moves in to look after his son. (ABC FAM)

9:00 PM

Last Comic Standing The first semifinal round begins. (NBC)
Huge Pilot alert! Nikki Blonsky stars in this dramedy about teens at a weight loss camp. (ABC FAM)
The Best Thing I Ever Ate Food Network personalities talk about their favorite burgers. (FOOD)
The Good Guys Dan's unorthodox methods end up leading to a drug smuggler being set free. (FOX)

10:00 PM

Real Housewives of New Jersey Teresa crosses paths with Danielle in a totally and completely unplanned way that had nothing to do with the producers needing to manufacture tension. (BRAVO)
The Hard Times of RJ Berger In order to make some money to buy Jenny a Sweet 16 present, RJ takes a job doing manual labor, but things go awry. Meanwhile, upset by RJ's new schedule, Miles looks for a new best friend. (MTV)
True Beauty The contestants are challenged to act as tour guides in Las Vegas and memorize some trivia. (ABC)

10:30 PM

Warren the Ape Warren decides to work with at-risk children, using his life as an example of what not to do. (MTV)

Who's on the Late Night Couches Tonight?

The Daily Show: David Axelrod (Comedy Central)
The Colbert Report: John Waters (Comedy Central)
Jimmy Kimmel Live: Jeremy Piven, Elizabeth Reaser (ABC)
Lopez Tonight: Jada Pinkett-Smith, Jerry Ferrara, Aventura (TBS)
Chelsea Lately T.I., Sarah Colonna, Jamie Kaler, Josh Wolf (E!)
The Tonight Show with Jay Leno: Adam Sandler, Rachel Maddow, OK Go (NBC, repeat)
Late Night with Jimmy Fallon: Evangeline Lilly, Kenan Thompson, Keith Urban, Mike McCready with the Roots (NBC, repeat)
Late Show with David Letterman: Kristen Stewart, Gary Faulkner, Tokyo Police Club, a Top Ten List presented by John Isner (CBS)
Late Late Show with Craig Ferguson: Howie Mandel, Jane Adams, Drew Thomas (CBS)