Big Day, a new romantic comedy about life in the wild wedding lane, will premiere Tuesday, November 28 (9:00-9:30 p.m., ET) on ABC. "Big Day" follows a very special day in a young couple's life, their wedding day... but tells the stories you don't see on the wedding video.

CBS, ABC and NBC just announced their schedules for November sweeps. During "sweeps," Nielsen Media Research sends out diaries to sample homes across the country so TV viewers can record the shows they watched. Based on these results, networks set their advertising rates. The more people watch a show, the more they can charge for the commercials during it.

ABC just announced it is shifting the hour-long series Ugly Betty to Thursdays, leading into the critically acclaimed hit, Grey's Anatomy. "Ugly Betty" will premiere Thursday, September 28 (8:00-9:00 p.m., ET). "Ugly Betty" had originally been scheduled to premiere on Friday, Sept. 22.

The TV season launches early this year when FOX kicks off season two of Prison Break in the tail end of August. The network is digging its heels in early with several August premieres, including Bones, House and a handful of new series. ABC, CBS, NBC and the new CW get in the game by mid-September.

ABC just announced its fall premiere dates. For the fall launch, ABC will be using the strength of its returning hits as a launching pad for new series. Kicking off the new season is Dancing with the Stars. The dates are as follows: