What we're watching: Tonight is the season finale of The War at Home on Fox and the continuation of Discovery HD's Planet Earth series, but we'll probably check out three John Wayne Movies on HDNet Movies along with NBA Playoffs action on TNT.

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 & finales in bold:

ABC (720p): Desperate Housewives (9 p.m.), Brothers and Sisters (10 p.m.)

CBS (1080i): N/A

NBC (1080i): N/A

Fox (720p): The War at Home (7 p.m.)

CW (1080i): The Game (6 p.m.), Everybody Hates Chris (6:30 p.m.)

TNT-HD (1080i): NBA Playoff Preview (6 p.m.), NBA: Nuggets at Spurs (7 p.m.), NBA: Warriors at Mavericks (9:30 p.m.)

Discovery-HD (1080i): Sunrise Earth (7 p.m.), Planet Earth (8, 9 & 11 p.m.), I Shouldn't Be Alive (10 p.m.)

ESPN-HD (720p): SportsCenter (6 & 11 p.m.), Baseball Tonight (7 p.m.), MLB: Yankees vs. Red Sox (8 p.m.)

ESPN2-HD (720p): N/A

INHD (1080i): The Hives Live From Las Vegas (7 p.m.), Timeless (9 p.m.). Uncorked with Billy Merritt (9:30 p.m.), NPL Las Vegas Open (10 p.m.), London Live (11 p.m.), Three Sheets (11:30 p.m.)

HDNet (1080i): Dan Rather Reports (7 p.m.), On Stage at World Cafe Live (8 & 11 p.m.), Sound Off with Matt Pinfield (8:30 & 11:30 p.m.), Wynton Marsalis - Rebuilding the Soul of America (9 p.m.), Chris Botti & Friends: Live at the Wilshire Theatre (10:30 p.m.)

HDNet Movies (1080i): McLintock! (5:45 p.m.), The Shootist (8 p.m.), El Dorado (9:45 p.m.)

Universal HD (1080i): Conviction (7 p.m.), Ghostbusters II (8 p.m.), Monk (10 p.m.), 1941 (11 p.m.)

HBO-HD (1080i): U.S. Marshals (6:30 p.m.), The Sopranos (9 p.m.), Entourage (10 p.m.), De La Hoya/Mayweather 24/7 (10:30 p.m.), United 93 (11 p.m.)

Showtime-HD (1080i): Capote (6 p.m.), This American Life (8 p.m.), Dexter (9 p.m.), The Tudors (10 & 11 p.m.)

MAX-HD (1080i): Fantastic Four (6:15 p.m.), Scream (8 p.m.), Big Momma's House (10 p.m.)

STZ HD (1080i): Click (7:05 p.m.), The Shaggy Dog (9 p.m.), Derailed (10:40 p.m.)