Watch The Flash s3e4 online stream free.
Description by couchtuner for The Flash Season 3 Episode 4 : Barry continues to train Jesse and when a new meta human, Mirror Master, appears on the scene he lets her tag along. Mirror Master has teamed up with his old partner, Top, and is looking for Snart to even a score. Jesse is quick to join the chase but defies one of Barry’s orders which results in disastrous consequences.
Watch It Here : The Flash Season 3 Episode 4 The New Rogues