The New Rogues meet the old Rogues in The Flash episode 3.04 clip The CW has released a new clip and behind-the-scenes video for The Flash Episode 3.04, which you can check out in the players below! Titled “The New Rogues,” the episode is officially described as follows: “WENTWORTH MILLER RETURNS AS CAPTAIN COLD; MIRROR MASTER AND THE TOP BATTLE WITH THE FLASH — Barry continues to train Jesse (guest star Violett Beane) and when a new meta human, Mirror Master (guest star Grey Damon), appears on the scene he lets her tag along.