Question: when is season 4 of flash coming out?
Answer: on October 10 , 2017, October 10 , 2017

The Flash ( season 4 ) Promotional poster Starring Grant Gustin Candice Patton Danielle Panabaker Carlos Valdes Keiynan Lonsdale Neil Sandilands Tom Cavanagh Jesse L. Martin Country of origin United States No. of episodes 19 Release Original network The CW Original release October 10 , 2017 ( 2017 - 10 - 10 ) -- present ( present ) Season chronology ← Previous Season 3 List of The Flash episodes