I really enjoyed the show for the first 3 seasons the villans were great both reverse flash and Zoom were great villans and then sivator arc was a welcomed twist.
However the 4th season i feel the show has gone into decline, the writing isnt as snappy as it was, the cast and characters seem stagnant and the villan is just not that appealing, de voe isnt really isnt putting flash against it all like we saw with the previous villans