Sept. 3: What's on HDTV today

GtechWhat we're watching and why:  It must be fall. ESPN and ESPN 2 are airing a total of three college football games in high definition. Boise State at Georgia starts at 5:30 p.m. on ESPN-HD, followed by Georgia Tech at Auburn at 8:45 p.m. On ESPN 2-HD, UCLA takes on San Diego State at 10:15 p.m.

Here are some other HDTV programs showing on selected networks today, all in Eastern time:

CSI (9 p.m.)

NBC: NASCAR Busch Series (8:30 p.m.)

ESPN-HD:  NCAA Football: Boise State at Georgia (5:30 p.m.), NCAA Football: Gtech at Auburn (8:45 p.m.), SportsCenter (11 p.m.)

NCAA Football: UCLA at San Diego State (10:15 p.m.)