The CW Network has released a bunch of stills from the mid-season finale for The Flash. The episode is entitled “Running to Stand Still”, and is set to air Tuesday, December 8th.
Episode synopsis:
When Mark Mardon AKA The Weather Wizard (guest star Liam McIntyre) returns to break Leonard Snart AKA Captain Cold (guest star Wentworth Miller) and James Jesse AKA The Trickster (guest star Mark Hamill) out of Iron Heights, Barry must stop these rogues from taking over Central City during Christmas. Meanwhile, Joe and Iris meet Wally West (Keiynan Lonsdale).
Check out the images from the episode below:



















The Flash “Running to Stand Still” mid-season finale is set to air Tuesday, December 8th 2015