Elseworlds, Part 1

Synopsis
When Barry Allen and Oliver Queen wake up one morning and realize they have swapped bodies with each other, the two set off to find out what disturbed the timeline to cause such a shift. However, things quickly go from bad to worse when they present their case to Team Flash and the gang doesn't believe them. Barry and Oliver realize they need Supergirl's help and travel to Smallville on Earth-38 where they end up meeting Kara's cousin, Clark Kent, and intrepid reporter, Lois Lane.

Main/Featured Characters

 * Team Flash
 * Green Arrow (Barry Allen)
 * Cisco Ramon
 * Killer Frost (Caitlin Snow)
 * Elongated Man (Ralph Dibny)
 * Harrison Sherloque Wells
 * Iris West-Allen
 * Team Arrow
 * The Flash (Oliver Queen)
 * John Diggle
 * Supergirl (Kara Zor-El)
 * Superman (Kal-El)
 * Lois Lane

Other Characters

 * Officer Jones
 * The Flash
 * The Flash

Objects

 * The Flash suit
 * Flash ring
 * Green Arrow suit
 * Killer Frost suit
 * Elongated Man suit
 * Nanites
 * Supergirl suit
 * Superman suit
 * Batsuit
 * Breach
 * Kal-El's glasses
 * Kara Zor-El's glasses
 * Interdimensional extrapolator
 * Interdimensional extrapolator

Weapons

 * Bow and arrow
 * Guns

Events

 * Elseworlds

Locations

 * Earth-1
 * Gotham City
 * Central City
 * S.T.A.R. Labs
 * Pipeline
 * Barry Allen and Iris West-Allen's apartment
 * Star City
 * A.R.G.U.S. headquarters
 * Bunker
 * Earth-38
 * A.R.G.U.S. headquarters
 * Bunker
 * Earth-38

Trivia

 * The episode was previously titled "Elseworlds: Hour One".