The Flash (2014– )
20 user 11 critic

Snow Pack 

Caitlin must resolve her relationship with her mother when Icicle returns to enact the next phase of his devious plan; Iris takes matters into her own hands after Barry makes a decision about their family without consulting her.


Jeff Cassidy


Greg Berlanti (developed by), Andrew Kreisberg (developed by) | 8 more credits »

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Episode complete credited cast:
Grant Gustin ... Barry Allen / The Flash
Candice Patton ... Iris West-Allen
Danielle Panabaker ... Caitlin Snow / Killer Frost
Carlos Valdes ... Cisco Ramon (credit only)
Hartley Sawyer ... Ralph Dibny
Danielle Nicolet ... Cecille Horton
Jessica Parker Kennedy ... Nora West-Allen / XS
Tom Cavanagh ... Sherloque Wells / Eobard Thawne
Jesse L. Martin ... Joe West
Sarah Carter ... Grace Gibbons / Cicada
Susan Walters ... Dr. Carla Tannhauser
Kyle Secor ... Thomas Snow / Icicle
Bruce Crawford ... JP Chipera
Everick Golding ... Trevor Shinick
Islie Hirvonen ... Grace Gibbons


When Icicle returns to enact the next phase of his devious plan, Caitlin and her mother, Dr. Carla Tannhauser, must resolve their long-combative relationship to defeat the icy monster. After Barry makes a big decision about their family without consulting her, Iris decides to take matters into her own hands. Written by sarah_l91

Plot Summary | Add Synopsis


TV-PG | See all certifications »






Release Date:

23 April 2019 (USA) See more »

Filming Locations:

British Columbia, Canada

Company Credits

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Technical Specs


Sound Mix:




Aspect Ratio:

16:9 HD
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Did You Know?


Thawne talking about his Negative Speed Force to Nora echoes how he spoke of the Speed Force during the season one finale "Fast Enough". See more »


Ralph Dibny: [finding Iris in the Time Vault] Planning a trip?
Iris West-Allen: How did you get in here?
Ralph Dibny: Followed you, then stretched under the door. By the way, was anybody ever gonna tell me about this secret room? What else do we got in here? A bowling alley or something?
Iris West-Allen: Ralph, I don't have time for this.
Ralph Dibny: Actually, it looks like you have all the time in the world.
Iris West-Allen: You're not gonna stop me.
Ralph Dibny: Who said anything about stopping you?
See more »


References Back to the Future (1985) See more »

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User Reviews

3 September 2019 | by bsimpson189See all my reviews

Ok, so Flash tells Nora not to travel back in time and he will know if she does because he'll feel it in the speed force. Yet, she made the trip 52 times and he never felt it in the speed force.

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