Helen Slater

Survivor: China (7 p.m., Ch. 2): Another contestant is voted off.

Ugly Betty (7 p.m., Ch. 4): Marlo Thomas guest stars as a big client with an eye for younger men — specifically, Daniel.

My Name Is Earl (7 p.m., Ch. 5): Kenny appears in an episode of "Cops."

Are You Smarter Than a 5th Grader? (7 p.m., Ch. 13): In this two-hour episode, Regis Philbin and Clay Aiken play for charity.

NBA (7 p.m., Ch. 14): Rockets at Jazz

Smallville (7 p.m., Ch. 30): Helen Slater, who played the title role in the 1984 movie "Supergirl," is seen as Clark's biological mother in flashbacks.

CSI (8 p.m., Ch. 2): There's a murder on the set of an "adult" horror movie.

The Office (8 p.m., Ch. 5): Karen tries to woo Stanley away from Scranton.

Supernatural (8 p.m., Ch. 30): A series of murders resembles fairy tales.

Scrubs (8:30 p.m., Ch. 5): J.D. and Kim's baby is born.

Without a Trace (9 p.m., Ch. 2): A woman disappears after a shooting.

Big Shots (9:07 p.m., Ch. 4): Duncan makes a grand gesture in hopes of winning Lisbeth back. Assuming, of course, this low-rated series hasn't been canceled before this episode airs. Well, it probably won't be. But it probably won't be around much longer, either. And this episode is scheduled to run in a 53-minute timeslot. Maybe ABC will just shorten it a few minutes every week until it's gone.

ER (9:01 p.m., Ch. 5): Morris and Pratt cram for their medical boards.