 On May 9, 2013, The CW Television Network announced that the pilot was officially ordered to series for the 2013–14 American television season.The series is developed by Jason Rothenberg, and premiered on March 19, 2014.The seventh and final season will consist of 16 episodes, and is set to premiere on May 20, 2020, finishing the show with a total of 100 episodes across all seven seasons.