The CW’s The Flash opened Season 4 with 2.8 million total viewers and a 1.0 rating, down just a tenth in the demo from its May finale (3 mil/1.1) and Season 3 average (2.8 mil/1.1), while marking its best non-finale audience since Feb. 28. Leading out of that, Legends of Tomorrow‘s Season 3 opener (1.7 […]