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

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

Villains

 * Superman (John Deegan)
 * The Monitor (Mar Novu)
 * Kane Wolfman (Joe Wilson)
 * The Monitor (Mar Novu)
 * Kane Wolfman (Joe Wilson)
 * Kane Wolfman (Joe Wilson)

Other Characters

 * Ricardo Diaz

Objects

 * Green Arrow suit
 * The Flash suit
 * Supergirl suit
 * Batsuit
 * The Flash suit
 * Breach
 * Kara Zor-El's glasses
 * The Monitor armor
 * Deathstroke suit
 * Bat-signal
 * Interdimensional extrapolator
 * Bat-signal
 * Interdimensional extrapolator
 * Bat-signal
 * Interdimensional extrapolator
 * Interdimensional extrapolator

Weapons

 * Bow and arrow
 * Guns
 * Book of Destiny
 * Boomerang
 * Boomerang

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".