Invincible

"You know you're not invincible, right? Yes, of course, I know this. Joe's being overprotective, but I get it. Yeah, but it's like you think that nothing can touch you. Like nothing bad can get in your way. That's not true for any of us. What are you saying? Look, I know that you had an experience in the Speed Force. And I'm happy that you think we're gonna win the day. But I think a little fear can be a healthy thing. It helps you determine which risks are worth taking. I think that's something for both you and Wally to take to heart."

- Iris West and Barry Allen

Synopsis
After Zoom unleashes an army of Earth-2 meta-humans on Central City, Barry is shaken when he sees their leader is the Black Canary's Earth-2 doppelgänger, the Black Siren. Meanwhile, Wally takes to the streets to help The Flash stop the meta-humans, which worries Joe. Iris and Henry are concerned about Barry taking on Zoom.

Protagonists

 * Team Flash
 * The Flash (Barry Allen)
 * Iris West
 * Killer Frost (Caitlin Snow)
 * Vibe/Reverb (Cisco Ramon)
 * Harry Wells
 * Joe West
 * Wally West
 * Jesse Wells
 * Tine McGee
 * David Singh
 * Henry Allen

Antagonists

 * Metahuman Army
 * Killer Frost (Caitlin Snow)
 * Reverb (Francisco Ramon)
 * Zoom (Hunter Zolomon)
 * Black Siren (Laurel Lance)

Other Characters

 * Alfred Hitchcock
 * Anupam
 * Ashley Zolomon
 * Francine West
 * God
 * Harrison Wells
 * Hartley Rathaway
 * Jay Garrick
 * Black Canary (Laurel Lance)
 * Nora Allen
 * Quentin Lance
 * Sara Lance

Teams and Organizations

 * Central City Picture News
 * Central City Police Department
 * Channel 52
 * Iron Heights Penitentiary
 * Mercury Labs
 * Metahuman Army
 * S.T.A.R. Labs
 * Team Flash
 * The Central City Tribune

Events

 * Murder of Ashley Zolomon
 * Assassination of Nora Allen
 * Metapocalypse
 * Metapocalypse
 * Murder of Henry Allen
 * Destruction of Earth-2
 * Second Particle Accelerator Explosion

Species

 * Humans (Earth-1)
 * Humans (Earth-2)
 * Metahumans (Earth-1)
 * Metahumans (Earth-2)
 * Time Wraiths

Objects and Concepts

 * Black Siren Suit
 * BOOT
 * Breaches
 * Dark Matter
 * Dimensional Tuning Fork
 * Holograms
 * Killer Frost Suit
 * Metahuman Alert App
 * Next Gen Watch
 * Reverb Suit
 * Reverb Goggles
 * S.T.A.R. Labs Particle Accelerator
 * The Flash Suit
 * Vibes
 * Vibe Goggles
 * Walking on Sunshine
 * Zoom Suit

Locations

 * Earth-1
 * Earth
 * North America
 * United States of America
 * Missouri
 * Central City
 * City Center
 * 5th and Main
 * Central City Police Precinct
 * Gardener River
 * Western Avenue Bridge
 * Holly Drive
 * Allen Residence
 * Mercury Labs Headquarters
 * Central City Picture News Office
 * University Town
 * S.T.A.R. Labs Central City Facility
 * Pipeline
 * West House
 * West Side
 * Iron Heights Penitentiary
 * Earth-2
 * Earth
 * North America
 * United States of America
 * Missouri
 * Central City
 * Hell
 * Speed Force