After spending the summer in Gravity Falls. Dipper wants to spend Christmas with Bill, Mabel and Pacifica. He wants to spend as much time as he can before forcing to go to collage far away. Mabel helps Dipper by not telling anyone. She also helps Bill pick out a special life changing gift for Dipper, while Bill helps Mable. This is a sequel to: Gravity Falls BillDip: My Summer With You
17 parts