Sisterhood has a magic all its own in this Disney Channel Original Movie. Tia and Tamera Mowry ("Sister, Sister") co-star as twins separated at birth who get a big surprise when they meet on their 21st birthday. Not only does each have a sister, but they're also witches, and they'd better master their magical gifts quickly if they don't want to fall victim to the "The Great Darkness." Jennifer Robertson ("Wingin' It") and Patrick Fabian ("Big Love") co-star in this enchanting family comedy. Includes BTS,alternate ending, more.