Some say the world will end in fire, some say in ice. For The Flash, it’ll be both. The CW released a new extended trailer for the show’s midseason premiere this Tuesday, and amid the intense music, the return of Reverse Flash, and Zoom’s devious plans is new footage of Killer Frost and Deathstorm.

We’ve been waiting to see Caitlin Snow’s sinister Earth-2 doppelgänger ever since Barry Allen glimpsed her during his time jump. Now, both she and her bad boy partner are fully realized in the new trailer. When Robbie Amell teased his return to The Flash after his seemingly finite exit, an Earth-2 version seemed like his best bet — and we were right! Check out the pair in the trailer below.


Despite the excitement surrounding these characters, there are bigger things at play when The Flash returns. The trailer caption reads, “It's the end of the world (as Barry knows it),” and it very well could be. Reverse Flash will return after his presumed death, Zoom will attack those close to Barry (note Caitlin in the trailer), and Team Flash will travel over to Earth-2. Speaking with EW, executive producer Andrew Kreisberg teased that Barry’s next face-off with Zoom “might not take place on our Earth,” while “at some point, [Team Flash is] going to decide to take the fight to Zoom.”

Elsewhere, Aaron Douglas was recently announced in the role of comic book villain The Turtle, while Kevin Smith will direct an upcoming episode. But first, we got to get through the premiere tomorrow night at 8 p.m. EST. And don’t forget the big DC film special will air on the network that evening at 9:30 p.m. EST.

Here’s the official plot for the episode, titled “Potential Energy”:

Now that they’ve grown closer, Barry considers telling Patty (guest star Shantel VanSanten) that he is The Flash. Meanwhile, Joe and Iris try to get to know Wally (Keiynan Lonsdale), and the team hunts down a meta-human who can slow time itself.


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