What we're watching: Saved and The Closer are on as always. Renee Zellwegger makes an appearance profiling Christiane Amanpour on Discovery HD's Iconoclasts while Serenity hits prime time on Cinemax. Owners of the HD DVD release can take a look and see if there is any difference in quality or aspect ratio.

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:

ABC (720p): Nope.

CBS (1080i): King of Queens (8 p.m.), How I Met Your Mother (8:30 & 9:30 p.m.), Two and a Half Men (9 p.m.), CSI: Miami (10 p.m.), The Late Show with David Letterman (11:35 p.m.)

NBC (1080i): Medium (10 p.m.), The Tonight Show with Jay Leno (11:35 p.m.)

Fox (720p): Zip.

UPN (1080i): One on One (8 p.m.), All of Us (8:30 p.m.), Girlfriends (9 p.m.), Half & Half (9:30 p.m.)

WB (1080i): Nada.

Discovery-HD (1080i): Iconoclasts (6 p.m.), The Blue Realm (7 p.m.), Baby Human (8 & 11 p.m.), Eye of the Beholder with Serena Yang (9 p.m.), Iconoclasts (10 p.m.)

TNT-HD (1080i): Law & Order (6 & 8 p.m.), Without a Trace (7 p.m.), The Closer (9 & 11 p.m.), Saved (10 p.m.)

ESPN-HD (720p)
: SportsCenter (6 & 11 p.m.), MLB Baseball: Yankees at Rangers (7 p.m.), Baseball Tonight (10 p.m.)

INHD (1080i): Caribbean Escapes (6 & 6:30 p.m.), London Live! (7 p.m.), Fueled (7:30 & 11:30 p.m.), MLB Baseball: Twins at White Sox (8 p.m.)

INHD2 (1080i): Twilight Zone (7:30 p.m.), Laura McKenzie's Traveler (8 p.m.), Aussie Wine Trail (8:30 p.m.), Forensic Factor (9 p.m.), Melissa Etheridge Gets Lucky Tonight (10 p.m.)

HDNet (1080i): True Music (7 p.m.), Smart Travels Europe (7:30 p.m.), Smallville (8 & 11 p.m.), Joan of Arcadia (9 & 10 p.m.)

HDNet Movies (1080i): Replicant (6:15 p.m.), Mortal Thoughts (8 p.m.), Under Suspicion (10 p.m.)

HBO-HD (1080i): The 40 Year-old Virgin (8 p.m.), Alien vs. Predator (10 p.m.)

Showtime-HD (1080i): Shooting Gallery (7:15 p.m.), Brotherhood (9 p.m.), Weeds (10 & 10:30 p.m.)

MAX-HD (1080i): Matchstick Men (6 p.m.), Serenity (8 p.m.), Spider-Man 2 (10 p.m.)

STZ HD (1080i): Blast from the Past (6:50 p.m.), G.I. Jane (10:45 p.m.)

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