What we're watching: At 9 we've got the choice of the season finale for Dexter, or the series ending 80-minute episode of Extras 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, premieres in bold :

ABC (720p): Desperate Housewives (8 p.m.), Brothers & Sisters (9 p.m.)

CBS (1080i): N/A

NBC (1080i): Football Night in America (7 p.m.), NFL: Washington vs. New York Giants (8:15 p.m.)

Fox (720p): N/A

CW (1080i): Aliens in America (7:30 p.m.)

TNT-HD (1080i): Lord of the Rings: Return of the King (7 p.m.), Reign of Fire (11:15 p.m.)

Discovery-HD (1080i): A Boy and His Eagle (8 & 11 p.m.), Wolverine Revealed (10 p.m.)

ESPN-HD (720p): College Football Live (10 p.m.), SportsCenter (11 p.m.)

ESPN2-HD (720p): The Bronx is Burning (8, 9, 10 & 11 p.m.)

Mojo HD(1080i) : Dr. Danger (8 p.m.), After Hours w/ Daniel (8:30 & 9 p.m.), Pressure Cook (9:30 p.m.), Three Sheets (10 p.m.), Uncorked with Billy Merritt (10:30 p.m.)

HDNet (1080i): Sound Off with Matt Pinfield (8 p.m.), Ben Harper and the Innocent Criminals (8:30 p.m.), 311 Live in Memphis (10 p.m.),

HDNet Movies (1080i): The Birds (8 p.m.), Vertigo (10 p.m.)

Universal HD (1080i) : Dragonfly (8 p.m.), The Hurricane (10 p.m.)

HBO-HD (1080i): Extras (9 p.m.), Deck the Halls (10:30 p.m.)

Showtime-HD (1080i): Dexter (9 & 10 p.m.), Urban Legends (11 p.m.)

MAX-HD (1080i): Eragon (8 p.m.), Snakes on a Plane (10 p.m.)

STZ HD (1080i): The Holiday (9 p.m.), When a Stranger Calls (11:20 p.m.)

Honeywell intros HDMI over CAT5 in-wall baluns