Blindspot is an American crime drama television series created by Martin Gero, starring Sullivan Stapleton and Jaimie Alexander. The series was ordered by NBC on May 1, 2015, and premiered on September 21, 2015. A back nine order was given on October 9, 2015, bringing the first season to a total of 22 episodes, plus an additional episode bringing the order to 23 episodes.
On May 10, 2018, NBC renewed the series for a fourth season, which premiered on October 12, 2018. On May 10, 2019, NBC renewed the series for a fifth and final season of 13 episodes. As of May 31, 2019, 89 episodes of Blindspot have aired, concluding the fourth season.