What we're watching: CBS premieres a new "musical drama" Viva Laughlin, tonight at 10 p.m.

Our traditional high-def listings continue below.

Here are some other HDTV programs showing on selected networks today. All times are Eastern, reruns are in italics , premieres are in bold:

ABC (720p): Ugly Betty (8 p.m.), Grey's Anatomy (9 p.m.), Big Shots (10 p.m.)

CBS (1080i): CSI (9 p.m.), Viva Laughlin (10 p.m .), The Late Show with David Letterman (11:30 p.m.)

NBC (1080i) : My Name is Earl (8 p.m.), 30 Rock (8:30 p.m.), The Office (9 p.m.), E.R. (10 p.m.), The Tonight Show with Jay Leno (11:34 p.m.)

Fox (720p): N/A

CW (1080i): Smallville (8 p.m.), Supernatural (9 p.m.)

MYNTV (1080i): N/A

Discovery-HD Theater (1080i) : The Jeff Corwin Experience (8 & 11 p.m.), Winged Migration (9 p.m.)

ESPN-HD (720p): SportsCenter (6 & 10:30 p.m.), CFB: South Florida vs. Rutgers (7:30 p.m.)

ESPN2-HD (720p): NFL Live (7 p.m.), Baseball Tonight (7:30 p.m.), MLS: New York Red Bulls vs. LA Galaxy (9 p.m.)

TNT-HD (1080i) : Gladiator (7 p.m.), NBA:Seattle at LA Lakers (10 p.m.)

Mojo HD (1080i): London Live (7 & 7:30 p.m.), Moscow on the Hudson (8 p.m.), The People vs. Larry Flynt (10 p.m.)

HDNet (1080i): Inside the NHL (6:30 p.m.), NHL: Devils at Flyers (7 p.m.), Nothing But Trailers (9:30 p.m.), NASCAR Nextel Cup (10 p.m.)

HDNet Movies (1080i): Wyatt Earp (8 p.m.), Memphis Belle (11:15 p.m.)

Universal HD (1080i): 2007 AST Dew Tour (7 & 8 p.m.), Surface (9 p.m.), Stargate Atlantis (10 p.m.)

HBO-HD (1080i): Run Granny Run (9 p.m.), Jim Norton: Monster Rain (10:30 p.m.)

MAX-HD (1080i): The Devil Wears Prada (6:40 p.m .), Lets Go to Prison (8:30 p.m.), 16 Blocks (10 p.m.)

Showtime-HD (1080i): Madea's Family Reunion (6 p.m.), Hustle & Flow (8 p.m.), Dexter (10 p.m.), Weeds (11 p.m.), Californication (11:30 p.m.)

STZ-HD (1080i): Deja Vu (9 p.m.), Deuce Bigalow: Male Gigolo (11:10 p.m.)