Survivor: China (7 p.m., Ch. 2): Utahn Todd Herzog's greatest ally turns against him.

Ugly Betty (7 p.m., Ch. 4): Wilhelmina makes the mistake of tussling with octogenarian Betty White over a cab.

My Name Is Earl (7 p.m., Ch. 5): Earl decides to escape from prison.

30 Rock (7:30 p.m., Ch. 5): C.C. wants to go public with her relationship with Jack.

CSI (8 p.m., Ch. 2): Warrick's pill addiction begins to affect his work.

Grey's Anatomy (8 p.m., Ch. 4): In the conclusion of a two-parter, Meredith tries to save the life of a paramedic.

Scrubs (8:30 p.m., Ch. 5): Staffers compete to be the No. 1 on a Web site that rates doctors.

Barbara Walters 10 Most Fascinating People (9:02 p.m., Ch. 4): It's the annual celebrity fluff from the near-octogen-arian, whose list includes former President Bill Clinton, Justin Timberlake, Victoria Beckham, Jennifer Hudson, Kather-ine Heigl and MySpace co-founders Tom Anderson and Chris DeWolfe. Who's No. 1? You'll just have to watch to find out.

Without a Trace (9 p.m., Ch. 2): An ex-con disappears when she visits a friend in prison.

Sand and Sorrow (9 p.m., HBO): Documentary about the ongoing tragedy in Darfur.