Kaley Cuoco is an American film and television actress and singer. She is best known for her roles as Bridget Hennessy on the sitcom 8 Simple Rules, Billie Jenkins on the supernatural drama Charmed, and Penny on the sitcom The Big Bang Theory.
Flash travels through time to fix something that happened in the past, but ends up creating a parallel reality where the Justice League doesn't exist, Superman is missing, and Wonder Woman and Aquaman are at war.