On an anniversary of Nora Allen's death, the Flash used his powers to time travel and prevent her death. However, ripples of distortion were also generated and shifted the timeline to create a world on the brink of destruction. Nora Allen arrived at the Central City Police Department for dinner. Barry Allen, still disoriented from the time travel, stumbled outside and was in shock his mother was alive. He struggled to tell her he was the Flash but she thought he was coming out. Eventually, the Flash realized he was responsible for changing history and stopped his past self from saving Nora Allen. Barry Allen visited his mother's grave and admitted he finally understood what she was trying to tell him all those years ago.