THE CW ANNOUNCES 2017-18 FALL SCHEDULE “Supergirl” Soars on Mondays at 8pm, Followed by Thrilling New Military Drama “Valor” Tuesday Stays Super-Powered With “The Flash” Back at 8pm, Followed by “DC’s Legends of Tomorrow” Wednesday is Two Hours of Delicious Drama With “Riverdale” at 8pm and the Reimagined “Dynasty” at 9pm The Winchester Boys and …