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

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

Villains

 * A.M.A.Z.O.
 * John Deegan
 * Mar Novu/The Monitor

Other Characters

 * Batwoman
 * Officer Jones

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
 * The Monitor armor
 * Interdimensional extrapolator

Weapons

 * Bow and arrow
 * Guns
 * Book of Destiny

Events

 * Elseworlds

Locations

 * Gotham City
 * Arkham Asylum
 * Wayne Enterprises
 * 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
 * Smallvielle
 * Smallvielle
 * Smallvielle

Trivia

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