<P> The fourth season began airing on October 10 , 2017 , on The CW . </P>
<P> The fourth season began airing on October 10 , 2017 , on The CW . </P>
when is the season 4 of the flash coming out
when is the season 4 of the flash coming out
October 10 , 2017
October 10 , 2017