The CW has released some preview images for the November 7 episode of The Flash!

The episode is called “Girls Night Out” and not only does Battlestar Galactica’s Katee Sackhoff guest star — Arrow’s Emily Bett Rickards (Felicity!) is on hand as well!

In addition to some happenings involving celebrating some upcoming nuptials, it looks like Caitlin is going a little killer and frosty. Uh-oh!

Enjoy the new pics below:

THE FLASH ◄ Back Next ► Picture 1 of 23 The Flash -- "Girls Night Out" -- Image Number: FLA405c_0431b.jpg -- Pictured: Danielle Panabaker as Killer Frost -- Photo: Jeff Weddell/The CW -- ÃÂ© 2017 The CW Network, LLC. All rights reserved.

KATEE SACKHOFF (“BATTLESTAR GALACTICA”) AND EMILY BETT RICKARDS (“ARROW”) GUEST STAR — Having received an ominous threat from her old boss, Amunet (guest star Katee Sackhoff), Caitlin (Danielle Panabaker) fears that her past time as Killer Frost may be back to haunt her. Felicity (guest star Emily Bett Rickards) comes to Central City to help the girls celebrate Iris’s (Candice Patton) bachelorette party, while Cisco (Carlos Valdes), Joe (Jesse L. Martin) and the guys take Barry out for a night on the town. Laura Belsey directed the episode written by Lauren Certo & Kristen Kim (#405). Original airdate 11/7/2017.