when will season 4 of the flash be released
The Flash (season 4) The season began airing on October 10, 2017, on The CW in the United States,[93] and on CTV in Canada.[94] The season concluded on May 22, 2018.[95] Sky One acquired the rights to air the season in the UK & Ireland, airing it alongside the other Arrowverse shows. The season premiered October 17.[96][97]