The Flash Season 4 Episode 5
Girls Night Out
Having received an ominous threat from her old boss, Amunet, Caitlin fears that her past time as Killer Frost may be back to haunt her. Felicity comes to Central City to help the girls celebrate Iris's bachelorette party, while Cisco, Joe and the guys take Barry out for a night on the town.
Guest Stars
Danielle Nicolet
Cecile Horton
Hartley Sawyer
Ralph Dibny / Elongated Man
Emily Bett Rickards
Felicity Smoak
Riley Jade Berglund
Joanie Horton
Matt Alfonso
Weeper