The fifth season of the American television series The Flash, which is based on the DC Comics character Barry Allen / Flash, premiered on The CW on October 9, 2018, and concluded on May 14, 2019, with

Bartholomew Henry Allen, also known by his alter ego The Flash, is a fictional character in The CW's Arrowverse franchise, first introduced in the 2013 episode "The Scientist" of the television series