Today on TV

Survivor: China (7 p.m., Ch. 2): Utahn Todd Herzog has been playing the game extremely well so far — but will he overplay his hand tonight?

Ugly Betty (7 p.m., Ch. 4): It's Wilhelmina and Bradford's big wedding day.

My Name Is Earl (7 p.m., Ch. 5): Randy argues with Earl about who is in charge.

Smallville (7 p.m., Ch. 30): Lana absorbs Clark's powers.

College football (7 p.m., Versus): TCU Horned Frogs at BYU Cougars

30 Rock (7:30 p.m., Ch. 5): As part of an environmental initiative, Jack creates a green mascot for the network. Maybe it's Al Gore, who appears in this episode.

CSI (8 p.m., Ch. 2) and Without a Trace (9 p.m., Ch. 2): In a back-to-back crossover between these two hit series, the investigation into a young man's murder reveals he may have disappeared from New York six years earlier. "Trace" star Anthony LaPaglia appears on "CSI"; "CSI" star William Petersen appears on "Trace."

Grey's Anatomy (8 p.m., Ch. 4): As if poor Callie hasn't suffered enough, now she's in danger of losing her position as chief resident. (The episode runs until 9:07 p.m.)

The Office (8 p.m., Ch. 5): Ryan excludes Michael from a wilderness retreat.

Supernatural (8 p.m., Ch. 30): People who are nowhere near water are drowning.

Scrubs (8:30 p.m., Ch. 5): J.D.'s brother (Tom Cavanagh) returns and tells him to grow up.

Big Shots (9:07 p.m., Ch. 4): Duncan's reputation precedes him — and might cost him a big deal.

ER (9:01 p.m., Ch. 5): Abby and Pratt disagree over a baby's diagnosis.