What we're watching: Jack Bauer has finally met an enemy even He cannot vanquish ... the NCAA Tournament championship game. We'll still record 24 and watch it later (we haven't gone totally tourney-crazy), but Florida and UCLA showed their worth with two dominating performances in the semis and now they're both one win away from it all.

Ball goes up at 9:21 p.m., see you there.

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:

CBS (1080i): Two and a Half Men (8 p.m.), New Adventures of Old Christine (8:30 p.m.), NCAA Basketball Championship Game ( 9 p.m.)

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

Fox (720p): Prison Break (8 p.m.), 24: Day Five: 10 pm to 11 pm (9 p.m.)

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

WB (1080i): Everwood (9 p.m.)

Discovery-HD (1080i): Ultimate Car Show (6 p.m.), Blue Realm (7 p.m.), James Cameron's Expedition: Bismarck (8 & 11 p.m.), Roush Racing: Driver X (10 p.m.)

ESPN-HD (720p)
: SportsCenter at the Final Four (7 p.m.)

INHD (1080i): Hardwood Heavens (7, 7:30, 8 & 8:30 p.m.), NHL on OLN: Blackhawks at Avalanche (11:30 p.m.)

INHD2 (1080i): Laura McKenzie's Traveler (7 & 7:30 p.m.), Aussie Wine Trail (8 & 8:30 p.m.), F2 Forensic Factor (9 & 9:30 p.m.), The Pixies (11 p.m.), In Theaters (11:30 p.m.)

HBO-HD (1080i): Mad City (6 p.m.). Johnson Family Vacation (9 p.m.), Walkout (11 p.m.)

Showtime-HD (1080i): Without a Paddle (6:15 p.m.), Huff (8 p.m.), Penn & Teller's Bullshit: Life Coaching (10:30 p.m.)

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

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