The CW has released official stills from next week's episode of The Flash. 1 / 5
Titled 'Snow Pack,' the episode has the villain Icicle return to Central City. 2 / 5
Icicle's daughter, Caitlin Snow, teams up with her estranged mother to bring him down. 3 / 5
Meanwhile, Barry makes a big decision without telling Iris, leading to tension between the couple. 4 / 5
The episode is directed by Jeff Cassidy and written by Jonathan Butler and Gabriel Garza. 5 / 5