<P> Gravity Falls is an American animated television series produced by Disney Television Animation originally for Disney Channel (and then later for Disney XD) from June 15, 2012, to February 15, 2016 . </P> <P> Created by Alex Hirsch, the series follows the adventures of Dipper Pines (voiced by Jason Ritter) and his twin sister Mabel (voiced by Kristen Schaal) who are sent to spend the summer with their great - uncle (or "Grunkle") Stan (voiced by Hirsch) in Gravity Falls, a mysterious town full of paranormal forces and supernatural creatures . The kids help Stan run "The Mystery Shack", the tourist trap that he owns, while also investigating the local mysteries . </P> <P> On June 14, 2014, it was confirmed that Season 2 would premiere on August 1 and on August 4 of the same year on Disney Channel and Disney XD respectively, with most of the season two episodes airing first on Disney XD, as it is considered the new home for the series . On November 20, 2015, Hirsch announced that the series would finish with its second season, stating that he chose to do it for the show to end with "a real conclusion for the characters". The show culminated with a one - hour finale, "Weirdmageddon 3: Take Back the Falls", that first aired on February 15, 2016 . </P> <P> A 68 - hour marathon was broadcast on Disney XD from February 12, 2016, up until the finale on February 15, 2016, with the entire series airing in order . Due to only having 39 episodes before its airing, the show was looped four times to fill the 68 - hour slot . </P>

When does season 3 of gravity falls start
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