Hi, our car broke down, can we use your phone?What we're watching: Bracketology continues to evolve before our eyes, after the stunning falls of Gonzaga and Duke last night, George Mason looks to continue their improbable run against Wichita State, while Florida matches up with Georgetown. Villanova and Uconn also look to crush Cinderella's dreams tonight.

The premiere episode of Heist is showing again tonight, and maybe it will all be in high definition this time. We'll probably be checking out The Roots Present at 9 on INHD2, their live show is not to be missed.

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): In Justice (9 p.m.)

CBS (1080i): NCAA Regional Semifinals (7 p.m.)

NBC (1080i): Heist (9 p.m.), Conviction (10 p.m.), The Tonight Show with Jay Leno (11:35 p.m.)

WB (1080i): What I Like About You (8 p.m.), Living with Fran (8:30 p.m.), Reba (9 & 9:30 p.m.)

Discovery-HD (1080i):  Wild Asia (7 p.m.), Aida, Acts 1&2, Acts 3&4 (8 & 9:30 p.m.)

ESPN-HD (720p): SportsCenter (6 p.m.) Figure Skating World Championships (7:30 p.m.)

INHD (1080i): Rugby Union (6:30, 7 & 7:30 p.m.), High School Basketball: Thornton at Homewood-Flossmor (8 & 11 p.m.), Mountain Biking (9:30 p.m.), Tour de Gorge (10:30 p.m.)

INHD2 (1080i): Twilight Zone (7 & 7:30 p.m.), Mystery of the Maya (8 p.m.), The Roots Present (9 p.m.), Space Chasers (10:30 p.m.), Solarmax (11 p.m.)

HBO-HD (1080i): The Hamburg Cell (6 p.m.), Big Love (8 & 9 p.m.), The Sopranos (10 p.m.)

Showtime-HD (1080i): The Woodsman (8:30 p.m.)

TNT-HD (1080i): Charmed (6 p.m.), Law & Order (7 p.m.), The General's Daughter (8 & 10 p.m.)

Samsung has a perfume phone in the works?