BWW Recap: THE FLASH Returns With New Heroes and New VillainsOctober 10, 2018New heroes, new villains, new season of The Flash!
In the season 4 finale of The Flash, it was revealed that the Mystery Girl is Nora, Barry and Iris's daughter who came back from a future timeline. This episode picks up where season 4 left off where unfortunately, Nora made a mistake by messing with the timeline and she can't go home.