Mabel is an energetic 12-year-old girl (she and her brother turn 13 at the end of the series finale) who is sent alongside her brother to spend her summer vacation at her great-uncle's tourist trap called the "Mystery Shack," which is located in the fictional town of Gravity Falls, Oregon.She helps Dipper as he searches to uncover the secrets of Gravity Falls and to find an explanation for the.. The whole of Gravity Falls for Dipper and Mabel is the end of their childhood and the first steps that they must now take towards adolescence and then adulthood. These kids have no idea what the future holds in store for them, and hearing Mabel admit that struck a cord in me.
"Dipper and Mabel vs. the Future"[1] is the 17th episode of the second season of Gravity Falls and the 37th episode overall. It premiered on October 12, 2015 on Disney XD.[1] This episode serves as the prelude to the Weirdmageddon story arc. Mabel decides to plan for her and Dipper's 13th birthday party. Meanwhile, Dipper ventures below the town to find its most shocking secret.[1] The episode.. Mason "Dipper" Pines[2] (born August 31, 1999) is a smart, curious, and adventurous 13-year-old boy (12 prior to the events of the finale), and is one of the two main protagonists of the series. Alongside his twin sister Mabel, he spends the summer of 2012 with his Great Uncle "Grunkle" Stan in Gravity Falls, Oregon, where he and his sister constantly encounter the town's paranormal tendencies.