All's Wells That Ends Wells

Synopsis
When an experiment to save Barry’s speed backfires, Nash Wells searches for a way to save The Flash and comes up with a dangerous plan. Meanwhile, Iris makes a startling realization inside the Mirrorverse and Cecile faces off with Rosa Dillon.

Main/Featured Characters

 * Team Flash
 * The Flash (Barry Allen)
 * Iris West-Allen
 * Joe West
 * Allegra Garcia
 * Harrison Nash Wells
 * Chester P. Runk
 * Cecile Horton
 * Kamilla Hwang
 * David Singh

Villains

 * Eva McCulloch's Team
 * Eva McCulloch
 * Black Hole

Teams and Organizations

 * Team Flash
 * S.T.A.R. Labs
 * Black Hole
 * Eva McCulloch's Team
 * McCulloch Technologies

Species

 * Humans
 * Meta-Humans

Objects

 * Techno Fanny Pack
 * Gauntlet
 * Artificial Speed Force
 * Artificial Speed Force Machine
 * The Flash Suit
 * Guns

Locations

 * Earth-Prime
 * Earth
 * USA
 * Missouri
 * Central City
 * S.T.A.R. Labs Central City Facility
 * Central City Police Precinct
 * McCulloch Technologies Headquarters
 * Mirrorverse
 * Earth
 * USA
 * Missouri
 * Central City
 * Central City

Trivia

 * This episode was originally airing in Season 6 of . However, the episodes was cancelled due to the 2019-2020 Coronavirus Pandemic. On May 13, 2020, Eric Wallace revealed that 90% of the episode was filmed and will act as the season premiere of Season 7.