What we're watching: Saturday movie night is back in action, with the excellent Pan's Labyrinth on Cinemax and Aeon Flux on Showtime. No SNL tonight, as NBC features the 2007 U.S. Gymnastics Championships in HD.

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, premieres in bold:

ABC (720p): Win a Date with Tad Hamilton (8 p.m.), Masters of Science Fiction (10 p.m.)

CBS (1080i): NFL: Chargers at Rams (8 p.m.)

NBC (1080i): 2007 U.S. Gymnastics Championships (8 p.m.)

Fox (720p): N/A

CW (1080i): N/A

TNT-HD (1080i): Forrest Gump (8 p.m.), Space Cowboys (11 p.m.)

Discovery-HD (1080i): Sunrise Earth (7 p.m.), Living with the Kombai Tribe (8 & 11 p.m.), Becoming a Man in Africa (9 p.m.), National Trust Gardens (10 p.m.)

ESPN-HD (720p): 2007 Little League World Series (6 & 8 p.m.), Baseball Tonight ( 10 p.m.), SportsCenter (11 p.m.)

ESPN2-HD (720p): NHRA Nationals Qualifying (6 p.m.)

Mojo HD (1080i): Beer Nutz (7 & 10:30 p.m.), Uncorked with Billy Merritt (7:30 p.m.), Timeless (8, 8:30, 9, 9:30 & 11:30 p.m.), Timeless (10 p.m.), Howard Stern (11 p.m.)

HDNet (1080i): MLS: D.C. United at Crew (7:30 p.m.), Nothing But Trailers (9:30 p.m.), The Substitute (10 p.m.)

HDNet Movies (1080i): A Simple Twist of Fate (7:45 p.m.), The Bridges of Madison County (9:35 p.m.)

Universal HD (1080i): Side Out (6 p.m.), Surface (8 p.m.), Firefly (9 p.m.), Timecop (10 p.m.)

HBO-HD (1080i): Beerfest (8 p.m.), John from Cincinnati (10 p.m.)

Showtime-HD (1080i): Madea's Family Reunion (6 p.m.), Aeon Flux (8 p.m.), Larry the Cable Guy: Health Inspector (9:35 p.m.), Varsity Blues (11:15 p.m.)

MAX-HD (1080i): The Break-Up (8 p.m.), Pan's Labyrinth (10 p.m.)

STZ HD (1080i): Talladega Night: The Ballad of Ricky Bobby (7:05 p.m.), Scary Movie 4 (9 p.m.), Underworld: Evolution (10:30 p.m.)

Sony XDR-S3HD HD radio hands-on at Engadget HD