What we're watching: Snakes on a Plane. is back again on HBO.

Our traditional high-def listings continue below.
Here are some other HDTV programs showing on selected networks today. All times are Eastern and reruns are in italics, finales in bold:

ABC (720p): George Lopez (9 & 9:30 p.m.)

CBS (1080i): Ghost Whisperer (8 p.m.), Jericho (9 p.m.), Numb3rs (10 p.m.)

NBC (1080i): Law & Order: SVU (10 p.m.), The Tonight Show with Jay Leno (11:34 p.m.)

Fox (720p): 13 Going on 30 (8 p.m.)

CW (1080i): N/A

MYNTV (1080i): N/A

Discovery-HD (1080i): Valley of the T-Rex (7 p.m.), The Desert Speaks (8, 8:30, 11 & 11:30 p.m.), HD Traveler (9 p.m.), Mustangs Across America (10 p.m.)

TNT-HD (1080i): Law & Order (7, 8 & 9 p.m.), Rush Hour (10 p.m.)

ESPN-HD (720p): SportsCenter (6 & 11 p.m.), College Football Live (7:30 p.m.), CFB: Washington vs. Syracuse (8 p.m.)

ESPN2-HD (720p): College Football Live (6:30 p.m.), Unsettled Scores: Bison Dele (7:30 p.m.), Friday Night Fights: Alvarez vs. Sanders (10 p.m.)

Mojo HD (1080i): London Live (7, 7:30, 9 & 9:30 p.m.), I Bet You (8 p.m.), King of Miami (8:30 & 11:30 p.m.), My Chemical Romance (10 p.m.)

Universal HD (1080i): 2007 US Open Tennis (7 p.m.), National Heads Up Poker Championship (11 p.m.)

HDNet (1080i): HDNet World Report (7 p.m.), The Best of Art Mann Presents... (8 & 11:30 p.m.), Deadline! (8:30 p.m.), Art Mann Presents (9 p.m.), Get Out! (9:30 p.m.), Mixed Martial Arts (10 p.m.)

HDNet Movies (1080i): The Spanish Prisoner (6 p.m.), Layer Cake (8 & 11:30 p.m.), Snatch (9:45 p.m.)

HBO-HD (1080i): Hard Knocks: Training Camp with the Kansas City Chiefs (7 p.m.), Snakes on a Plane (8 p.m.), Entourage (10 & 10:30 p.m.)

MAX-HD (1080i): Charlie and the Chocolate Factory (6:30 p.m.), Over the Hedge (8:30 p.m.), Big Momma's House 2 (10 p.m.)

STZ HD (1080i): Annapolis (7:10 p.m.), Pirates of the Caribbean: Dead Man's Chest (10:50 p.m.)

Showtime (1080i): Larry the Cable Guy: Health Inspector (7:30 p.m.), Weeds (9 p.m.), Californication (9:30 p.m.), Hostel (10 p.m.)

Sony unveils Blu-ray equipped HTP-BD2RSF HTIB system