Super Bowl XLV -- It's time once again to rev up the gridiron gluttony -- a day when we shovel thousands of calories into our faces, bounce off the walls, and pretend to be diehard football fans, even if we don't know a nickel defense from a penny loafer. This year, the big game pits the Pittsburgh Steelers against the Green Bay Packers in a matchup of two of the NFL's most storied franchises. Oh, but the day is about more than football. There's the totally wacky commercials and, of course, the halftime show, which this year has the Black Eyed Peas bringing the "Boom Boom Pow" to Cowboys Stadium in Arlington, Texas. 4 p.m. today, KSTU Channel 13.