What we're watching: It's authentic American College Football, no soccer substitutes tonight. LSU vs. Mississippi St. on ESPN-HD kicks off 25 hours of college football at 8 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.), Men in Trees (10 p.m.)

CBS (1080i): CSI (9 p.m.), Without a Trace (10 p.m .), The Late Show with David Letterman (11:30 p.m.)

NBC (1080i) : NBC Nightly News (6:30 p.m.), 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 (8 p.m.)

MYNTV (1080i): N/A

Discovery-HD (1080i): Anaconda! (7 p.m.), Rogue Nature (8 & 11 p.m.), Perfect Predators (9 p.m.)

ESPN-HD (720p): SportsCenter (6 & 11 p.m.), College Football Live (7 p.m.) CFB: LSU vs. Mississippi State

ESPN2-HD (720p): CFB: Tulsa vs. Louisiana-Monroe (6:58 p.m.), Baseball Tonight (10 p.m.)

TNT-HD (1080i) : Law & Order (7, 8, 9 & 10 p.m.), Saving Grace (11 p.m.)

Mojo HD (1080i): London Live (7 & 7:30 p.m.), Empire McQ (8 p.m.), The Wanderers (10 p.m.)

HDNet (1080i): NASCAR Nextel Cup HD Replay (8 p.m.), A Night in the Life of matchbox twenty (10:30 p.m.)

HDNet Movies (1080i) : Boiler Room (8:30 p.m.),The Hunt for Red October (10:35 p.m.)

Universal HD (1080i): 2007 US Open Tennis (7 p.m.),National Heads Up Poker Championship (11 p.m.),
HBO-HD (1080i): 16 Blocks (8 p.m.), Bob Saget: That Ain't Right (10 p.m.)

MAX-HD (1080i) :48 Hrs. (8:15 p.m.), Pan's Labyrinth (10 p.m.)

Showtime-HD (1080i): Sahara (7:10 p.m.), Aeon Flux (9:30 p.m.), Weeds (11 p.m.), Californication (11:30 p.m.)

STZ-HD (1080i) : Stealth (7 p.m.), Scary Movie 4 (9 p.m .), Scream (10:30 p.m.)