Locke & Key S1 Ep 10 - Gender & F2F Transformations

Season 1 Episode 10 Crown Of Shadows
Everything seems normal; however, Gabe is seen riding his bike to meet Kinsey, while a series of flashbacks reveal that Dodge changed Ellie’s appearance to resemble herself with the Identity key, therefore the Dodge that they threw through the Black Door was actually Ellie, and that Eden was hit with one of the demons when the Black Door was open previously. It is revealed that all along, Gabe has been Dodge, as Dodge meets with the now possessed Eden.