Invasion! (The Flash)

Synopsis
When aliens called the Dominators attack Central City, Barry speeds over to Star City to ask the Green Arrow for help in stopping them. Realizing the battle against the Dominators is bigger than they thought, they track down the Legends, and Barry and Cisco create a breach to bring back a secret weapon – Supergirl. Once all of the super friends are assembled, they come up with a plan to attack but a shocking secret related to Flashpoint is revealed and suddenly no one is sure who they can trust. Meanwhile, Wally wants to join the battle against the aliens but Iris tells him he's not ready.

Main/Featured Characters

 * Barry Allen/The Flash
 * Iris West
 * Caitlin Snow
 * Cisco Ramon/Vibe
 * Wally West
 * Joe West
 * H.R. Wells
 * Oliver Queen/Green Arrow
 * John Diggle/Spartan
 * Felicity Smoak
 * Thea Queen/Speedy
 * Lyla Michaels
 * Sara Lance/White Canary
 * Martin Stein/Firestorm
 * Jefferson Jackson/Firestorm
 * Ray Palmer/The Atom
 * Mick Rory/Heat Wave
 * Kara Zor-El/Kara Danvers/Supergirl

Villains

 * Dominators
 * Smith
 * Vincent Sobel/Vigilante

Other Characters

 * Lily Stein
 * Traveler

Objects

 * The Flash suit
 * Power-dampening cuffs
 * Vibe suit
 * Vibe gauntlets
 * Reverb glasses
 * Green Arrow suit
 * Spartan suit
 * Speedy suit
 * White Canary suit
 * Firestorm
 * Quantum splicer
 * Firestorm Matrix
 * A.T.O.M. Exosuit
 * Supergirl suit
 * Dominator technology
 * Dominator mothership
 * Vigilante suit

Weapons

 * Bow and arrow
 * Guns
 * Heat gun
 * Dominator technology

Events

 * Dominator invasion

Locations

 * Earth-1
 * Central City
 * S.T.A.R. Labs
 * S.T.A.R. Labs hanger
 * Star City
 * Thea Queen's loft
 * Earth-38
 * National City
 * Kara Zor-El's apartment