In this Disney Channel Original Movie directed by Paul Hoen, the story follows Cleo, a high school student whose science experiment goes awry, turning her popular older sister, Molly, invisible. As Cleo races against time to find a solution, the sisters navigate the challenges of high school life and sibling dynamics in unexpected ways. The film stars Rowan Blanchard and Paris Berelc, who bring charm and humor to their roles. This family-friendly adventure can be viewed for free on 123Movies / Movies123.