- "Stein? You chose him over me? That's who I'm suppose to be! I deserve the firestorm matrix!"
- —Henry Hewitt to Firestorm
"The Fury of Firestorm" is the fourth episode of the second season of The Flash and the twenty-seventh episode overall. It aired October 27, 2015.
Barry and the team look for another Firestorm match for Dr. Stein. When the team meets Jefferson "Jax" Jackson, Caitlin has her reservations about whether Jax is the right match for Dr. Stein. Iris surprises Joe while Barry and Patty Spivot grow closer.
The episode starts with Jax celebrating his school team's football victory with his teammates and coach 2 years ago. The Particle Accerlerator then explodes with Jax yelling "EVERYBODY RUN!". Jax then helps his friend and takes him into the school, but not without being hit by the dark matter and being thrown back into a wall. His eyes glowed white and he soon had the Firestorm Matrix in him.
Back to present day, Martin Stein is still suffering the adverse effects from not merging for such a prolonged period of time. Cisco then stabilizes him with a device saying that he got it from Dr. Wells wheelchair but it won't last very long. Caitlin then explains that due to Stein not merging for such a long time he will become more unstable. She then suggests to find another match and says she found to potential candidates who were affected just like Martin Stein. She finds Jefferson "Jax" Jackson and Dr. Henry Hewitt, and expresses her desire for Hewitt to be brought in, and Barry says they should go for Jax as he has the physical attributes
- Barry says "Yo, Joe" to Joe, this was the Battle Cry from G.I. Joe.
- Jefferson Jackson said he has the Titanic soundtrack to Martin Stein. Victor Garber, the actor of Martin Stein had a prominent role in Titanic.
|"The Man Who Saved Central City" • "Flash of Two Worlds" • "Family of Rogues" • "The Fury of Firestorm" • "The Darkness and the Light" • "Enter Zoom" • "Gorilla Warfare" • "Legends of Today" • "Running to Stand Still" • "Potential Energy" • "The Reverse-Flash Returns" • "Fast Lane" • "Welcome to Earth-2" • "Escape from Earth-2" • "King Shark" • "Trajectory" • "Flash Back"|
|"Versus Zoom" • "Back to Normal" • "Rupture" • TBA • TBA • TBA|