Sept. 5: What's on HDTV today

What we're watching and why:

In addition to the usual fare, we have a few blockbuster movies airing tonight in high definition for your Labor Day viewing pleasure. "Titantic" is on Cinemax HDTV at 8. Over on HBO, 6:30 p.m. brings "The Terminal," followed by "The Day After Tomorrow" at 10.

Here are other HDTV programs showing on some selected networks today. All times are Eastern:

CBS: King of Queens (8 p.m.), Everybody Loves Raymond (8:30 p.m.), Two and a Half Men (9 and 9:30 p.m.), CSI: Miami (10 p.m.), Late Show with David Letterman (11:35 p.m.)

NBC: Las Vegas (9 p.m.), Medium (10 p.m.), The Tonight Show with Jay Leno (11:35 p.m.), Late Night with Conan O'Brien (12:37 a.m.)

Fox: Prison Break (8 p.m.)

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

WB: Summerland (9 p.m.)

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

ESPN 2-HD: Monday Night Countdown (7 p.m.), NHRA (8 p.m.)