The Flash: Things You Can't Outrun Preview Photos Released, With First Look at Ronnie "Firestorm" Raymond

The CW have released a number of preview photos for this week's episode of their hit DC Comics adaptation The Flash, titled "Things You Can't Outrun."

In the episode, Barry deals with The Mist in costume, while out of costume he tries to help Caitlin Snow come to grips with the loss of her fiancé, Ronnie Raymond (played by Robbie Amell in his first appearance).

You can get your first look, then, at one-half of the Firestorm matrix this week.

Check out the images below, along with the official synopsis.

"Things You Can't Outrun"

THE FLASH BATTLES THE MIST, CAITLIN TELLS BARRY ABOUT RONNIE — As Barry (Grant Gustin) and the team at S.T.A.R. Labs work to capture Kyle Nimbus (guest star Anthony Carrigan), 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 (Danielle Panabaker) fiancé, Ronnie (guest star Robbie Amell). Meanwhile, Joe (Jesse Martin) decides to finally visit Henry (John Wesley Shipp) 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 (Candice Patton) and Eddie (Rick Cosnett) continue to hide their relationship from Joe. Jesse Warn directed the episode written by Alison Schapker & Grainne Godfree (#103). Original airdate 10/21/2014.