The CW has provided fans of The Flash with a really nice gift this holiday season!
A new "Pretty Messed Up" extended trailer has been released with footage from the second-half of Season 2 of The Flash. Barry Allen and friends look to be headed to Earth-2 where they will see familiar faces who happen to be dramatically different, such as Doctor Caitlin Snow as Killer Frost.
Check out the trailer below.
The Flash returns Tuesday, January 19!