Summary
.:: Revised and edited version::. At the dusk of Dipper and Mabel's 13th birthday, an unexpected visit from Bowser Jr comes to ruin the moment. Along with his father, Lord Bowser, they manage to steal the entire Mystery Shack, along with Stan, Soos, and Wendy. Followed by a prophecy, is it said that Mabel would rule the galaxy and rescue her friends... in space!