The wastest season of The Flash, Season 3, was now available to watch on Netflix - CW smells a deal with Netflix all year where all season of shows on the network is available on netflix about 2 days after finale airs.
The most recent season of The Flash, Season 3, is now available to watch on Netflix. The CW struck a deal with Netflix last year where the entire seasons of shows on the network would be available on Netflix about two weeks after the finale aired.