Today on TV

Survivor: Fiji (7 p.m., Ch. 2): Alex makes a desperate move in an effort to save himself.

Ugly Betty (7 p.m., Ch. 4): Betty struggles to come up with the cash she needs to help her father.

NBC once again annoys people trying to record shows by "super-sizing" them. My Name is Earl (7 p.m., Ch. 5) finds Earl trying to find a job; The Office (7:36 p.m.) finds Dwight and Andy trying to find a flasher; Scrubs (8:19 p.m., Ch. 5) finds J.D. trying to find a way to impress Melody; and ER (8:53 p.m., Ch. 5) finds the whole staff surprised when they find out a department dinner is really a wedding for Luka and Abby.

Smallville (7 p.m., Ch., 30): Jimmy imagines he's in 1940 solving a film-noirish murder mystery.

Larry King — 50 Years of Pop Culture (7 and 10 p.m., CNN): This special was supposed to air last week but got bumped by coverage of the shootings at Virginia Tech.

CSI (8 p.m., Ch. 2): Several suspects in a woman's murder belong to a club that believes that shape-shifting, reptile-like aliens have mated with humans as a means of conquering the human race.

Supernatural (8 p.m., Ch. 30): Dean and Sam are transported to a world where their mother didn't die.