The Flash Theories

About
The Flash is an American superhero television series developed by writers/producers Greg Berlanti, Andrew Kreisberg, and Geoff Johns. It is based on the DC Comics character The Flash, a costumed superhero crime-fighter created by Robert Kanigher and Carmine Infantino. It premiered in North America on The CW on October 7, 2014. It is a spin-off from Arrow, existing in the same fictional universe. Primarily filmed in Vancouver, British Columbia, Canada, the series follows Barry Allen (Grant Gustin) a crime scene investigator who gains super-human speed, which he uses to fight criminals, including others who have also gained superhuman abilities.

Theories

 * Season 4
 * 4x18 Elongated Man Death
 * 4x19 Fallout Purpose
 * 4x20 Accelerated Man Appearance
 * 4x21 Harry Wells Leaves
 * 4x21-4x23 Marlize DeVoe Joins
 * 4x22 The Enlightenment Launch
 * 4x23 Elongated Man Goodbye
 * 4x23 Mystery Girl Identity Predictions