The Flash (2014– )
5 user 16 critic

Things You Can't Outrun 

Barry and Joe track a deadly metahuman with toxic gas powers, and Caitlin relives the night of the explosion that killed her fiancé.


Jesse Warn


Greg Berlanti (developed by), Andrew Kreisberg (developed by) | 4 more credits »




Episode cast overview, first billed only:
Grant Gustin ... Barry Allen / The Streak
Candice Patton ... Iris West
Danielle Panabaker ... Caitlin Snow
Rick Cosnett ... Detective Eddie Thawne
Carlos Valdes ... Cisco Ramon
Tom Cavanagh ... Dr. Harrison Wells
Jesse L. Martin ... Joe West
Robbie Amell ... Ronnie Raymond
Anthony Carrigan ... Kyle Nimbus / The Mist
Patrick Sabongui ... Captain David Singh
John Wesley Shipp ... Henry Allen
Michael Benyaer ... Araz
Philip Cabrita Philip Cabrita ... Man #1
Chris Eastman Chris Eastman ... Mall Cop
Johnny Ghorbani ... Raffi (as Arash Ghorbani)


As Barry and the team at S.T.A.R. Labs work to capture Kyle Nimbus, a.k.a. The Mist (a dangerous new meta-human with toxic gas powers), they revisit the painful night the particle accelerator exploded and killed Caitlin's fiancé, Ronnie. Meanwhile, Joe decides to finally visit Henry in jail after all these years, but things take a dangerous turn when Kyle shows up looking to punish Joe for arresting him years ago. Meanwhile, Iris and Eddie continue to hide their relationship from Joe. Written by Jiilo_Kim

Plot Summary | Add Synopsis


TV-PG | See all certifications »

Parents Guide:

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Did You Know?


Dr. Wells mentions Big Belly Burger. This is a burger chain restaurant featured prominently in Arrow (2012). Big Belly is also shown occasionally in DC Comics, particularly series featuring Superman. See more »


In this episode, the particle accelerator was only running for a few seconds before everything started to go wrong, but in a previous episode, Wells said that for 45 minutes he had achieved his life's dream, meaning the accelerator was on for 45 minutes. See more »


Dr. Harrison Wells: Now that we have a sample, we'll get to work analyzing it, figure out the makeup of the poison, maybe get a clue as to his human identity.
Cisco Ramon: Or at least a way to stop him from turning into a mist. The Mist. Okay, that's his name. End of discussion.
See more »


Edited into The Flash: What's Past Is Prologue (2018) See more »


The Flash Theme
Written by Blake Neely
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User Reviews

Saves Some Characters.
4 December 2014 | by JdmaxgamingSee all my reviews

This episode really did save Cisco and Caitlin's back story. The past two episodes, they were very underdeveloped, as well as a few others like Joe. But this episode took time to talk about there back story's and explore them a little deeper, which was satisfying to watch. However, the show doesn't improve from last weeks episode at all. The new villain "The Mist" felt watered down and just disposable. The humor and quirky-ness remains witch makes it all worth while for me. I really am enjoying this show, I actually enjoy it more than most shows on TV today. It's funny, it's action packed and the characters are just great. Is it a step up from last weeks episode? No. Does that make it bad? Absolutely not, this episode is still great and fun to watch just like last time was! I can't wait to see where the story is heading, so here's to The Flash! - Jdmax

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Release Date:

21 October 2014 (USA) See more »

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Aspect Ratio:

16:9 HD
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