What we're watching: ABC is featuring another new edition of Masters of Science Fiction, this one starring Terry O'Quinn, better known as John Locke from Lost.

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): Charlie's Angels: Full Throttle (8 p.m.), Masters of Science Fiction (10 p.m.)

CBS (1080i): N/A

NBC (1080i): Medium (10 p.m.), Saturday Night Live: Hugh Laurie (11:29 p.m.)

Fox (720p): N/A

CW (1080i): N/A

TNT-HD (1080i): The Fugitive (8 p.m.), Air Force One (10:30 p.m.)

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

ESPN-HD (720p): SportsCenter (11 p.m.)

ESPN2-HD (720p): N/A

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

HDNet (1080i): Owning Mahowny (7 & 11:30 p.m.), MLS: Dynamo at Rapids (9 p.m.), Nothing But Trailers (10:30 p.m.),

HDNet Movies (1080i): Layer Cake (8 p.m.), The Hunt for Red October (9:45 p.m.)

Universal HD (1080i): Surface (8 p.m.), Firefly (9 p.m.), The Frighteners (10 p.m.)

HBO-HD (1080i): Man of the Year (8 p.m.), HBO Bad (10 p.m.)

Showtime-HD (1080i): Meadowlands (8 p.m.), Hostel (9 p.m.), The Zodiac (10:35 p.m.)

MAX-HD (1080i): The Shadow (8 p.m.), The Texas Chainsaw Massacre: The Beginning (10 p.m.)

STZ HD (1080i): RV (7:15 p.m.), Gridiron Gang (9 p.m.), Annapolis (11:10 p.m.)

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