The Fury of Firestorm

Synopsis
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.

Main Characters

 * Team Flash
 * The Flash (Barry Allen)
 * Firestorm (Jefferson "Jax" Jackson)
 * Firestorm (Martin Stein)
 * Cisco Ramon
 * Caitlin Snow
 * Joe West
 * Iris West
 * Francine West
 * Patty Spivot
 * Harrison Wells (Earth-2)
 * Tina McGee

Villains

 * Weather Wizard
 * Rainbow Raider
 * Deathbolt
 * The Mist
 * Peek-a-Boo
 * Tokamak (Henry Hewitt)
 * Zoom's Gang
 * "Man-Shark"
 * Zoom

Other Characters

 * Coach
 * Jefferson Jackson's Mother
 * Harrison Wells (Eobard Thawne)
 * Ronnie Raymond
 * Eddie Thawne
 * David Singh
 * Sphinx
 * Celine Dion
 * Harrison Wells (Earth-1)
 * Nora Allen
 * Clarissa Stein
 * Francine West's Son

Teams and Organizations

 * Central City High School
 * Central City Falcons
 * "Department of Safety" (STAR Labs)
 * Eikmeier Technologies
 * CCPD
 * Hudson University
 * CC Jitters
 * CCPN
 * Mercury Labs
 * Channel 8
 * Zoom's Gang

Species

 * Humans
 * Metahumans
 * Metahumans (Earth-2)
 * Humans (Earth-2)

Objects

 * Dark Matter
 * Wheelchair
 * Speed Battery
 * Power Cane
 * Firestorm Matrix
 * Firestorm Suit
 * Quantum Splicer
 * Tinder
 * The Flash Suit
 * Sphinx's Riddle
 * Titanic (Movie)
 * The Flash (Drink)
 * Pulse Rifle
 * MacGregor's Syndrome
 * "Cosmic" Treadmill
 * Flash Day
 * Black Hole
 * Tokamak
 * STAR Labs Mobile Research Unit

Locations

 * Earth-1
 * Earth
 * USA
 * Missouri
 * Central City
 * Central City High School
 * STAR Labs Central City Facility
 * Pipeline
 * Eikmeier Technologies Headquarters
 * West House
 * Central City Police Precinct
 * Eastwood Avenue
 * Hudson University
 * CC Jitters
 * Mercury Labs Headquarters
 * Texas
 * Pittsburgh

Trivia

 * This episode mentions Firestorm as a Legend, foreshadowing the formation of the Legends of Tomorrow.