Elseworlds, Part 2

Synopsis
With Oliver and Barry still stuck in the other's bodies, the two get a lead on John Deegan and head to Gotham City with Supergirl to figure out why their reality has changed. While there, they meet the mysterious Kate Kane who provides them with information that leads the group to Arkham Asylum.

Main/Featured Characters

 * Oliver Queen/The Flash
 * John Diggle
 * Felicity Smoak
 * Curtis Holt
 * Barry Allen/Green Arrow
 * Caitlin Snow/Killer Frost
 * Cisco Ramon
 * Kara Zor-El/Kara Danvers/Supergirl
 * Kate Kane/Batwoman
 * The Flash

Villains

 * John Deegan/Superman
 * Mar Novu/The Monitor
 * Roger Hayden/Psycho Pirate
 * Joe Wilson/Kane Wolfman
 * Nora Fries
 * Joe Wilson/Kane Wolfman
 * Nora Fries

Other Characters

 * Ricardo Diaz

Objects

 * Green Arrow suit
 * The Flash suit
 * Supergirl suit
 * Batsuit
 * The Flash suit
 * Superman suit (John Deegan)
 * Breach
 * Kara Zor-El's glasses
 * The Monitor armor
 * Deathstroke suit
 * Psycho Pirate mask
 * Bat-signal
 * Interdimensional extrapolator
 * Bat-signal
 * Interdimensional extrapolator
 * Interdimensional extrapolator

Weapons

 * Bow and arrow
 * Guns
 * Batarang
 * Book of Destiny
 * Boomerang
 * Mask
 * Cane
 * Umbrella
 * Fear toxin
 * Freeze gun

Events

 * Elseworlds

Locations

 * Earth-1
 * Star City
 * A.R.G.U.S. headquarters
 * Gotham City
 * GCPD
 * Arkham Asylum
 * Wayne Enterprises
 * Batcave
 * Earth-38
 * Arkham Asylum
 * Wayne Enterprises
 * Batcave
 * Earth-38

Trivia

 * The episode was previously titled "Hour Two".