The third season of The Flash premiered on The CW on October 4, 2016, and concluded on May 23, 2017. It was announced on March 11, 2016.
The season aired on Tuesday nights at 8:00 p.m. prior to No Tomorrow in the fall, DC's Legends of Tomorrow in the winter, and iZombie in the spring.
It became available on DVD and Blu-ray on September 5, 2017.