<P> The fourth season is set to begin airing on October 10 , 2017 , on The CW . </P>
<P> The fourth season is set to begin airing on October 10 , 2017 , on The CW . </P>
when is the flash season 4 coming up
when is the flash season 4 coming up
October 10 , 2017
October 10 , 2017