By Lynette Rice
Updated August 08, 2012 at 03:19 PM EDT

Once the Olympics wrap up in London, NBC will roll out many of its new and returning shows before the official Sept. 24 start date of the 2012-13 TV season. And good news, Matthew Perry fans: the Peacock is offering a special sneak peek tonight of his new comedy Go On.

To find out when to look out for the debut of some promising new shows (and beloved old ones), here is a complete chart of fall premiere dates.