NBC was the first to announce its fall schedule on May 15, 2011,[1] followed by Fox on May 16,[2] ABC on May 17,[3] CBS on May 18[4] and The CW on May 19, 2011.
PBS is not included; member stations have local flexibility over most of their schedules and broadcast times for network shows may vary.
Ion Television primarily airs syndicated reruns, along with new episodes of Flashpoint.
From July 27 to August 12, 2012 all of NBC's primetime programming was preempted in favor of coverage of the 2012 Summer Olympics in London.
Each of the 30 highest-rated shows is listed with its rank and rating as determined by Nielsen Media Research.