Season 1

The first season of Gravity Falls premiered in June 29, 2012 but as a sneak peak on June 15, 2012

Overview
Twin brother and sister Dipper and Mabel Pines are in for an unexpected adventure when they spend the summer with their great uncle in the mysterious town of Gravity Falls, Oregon. Upon their arrival, Dipper and Mabel's huckster great uncle, also known as Grunkle Stan, enlists the siblings' help in running The Mystery Shack, a fun tourist trap he owns that overcharges unsuspecting customers. Although Dipper and Mabel quickly discover The Mystery Shack itself is a hoax, they sense there is something strange about their new town and together they begin to unlock the secrets of Gravity Falls.

Main cast

 * Jason Ritter as Dipper Pines
 * Kristen Schaal as Mabel Pines
 * Alex Hirsch as Grunkle Stan/Soos
 * Linda Cardellini as Wendy

Recurring cast

 * Will Forte as Tyler the Cute Biker
 * Stephen Root as Bud
 * Gregg Turkington as Toby Determined
 * Kevin Michael Richardson as Sheriff Blubs
 * Keith Ferguson as Deputy Durland
 * Thurop Van Orman as 'Lil Gideon
 * John DiMaggio as Manly Dan

Guest Stars

 * Coolio as Wax Coolio
 * Larry King as Wax Larry
 * John Oliver as Sherlock Holmes

Episodes

 * 1) 06-15-12 Tourist Trapped (105)
 * 2) 06-29-12 The Legend of the Gobblewonker (101)
 * 3) 06-30-12 Headhunters (102)
 * 4) 07-06-12 The Hand That Rocks the Mabel (104)
 * 5) 07-13-12 The Inconveniencing (103)
 * 6) 07-20-12 Dipper vs. Manliness (106)
 * 7) 08-10-12 Double Dipper (109)
 * 8) 08-17-12 Irrational Treasure (108)
 * 9) 08-24-12 The Time Traveler's Pig (107)
 * 10) 08-31-12 The Curse of the Golf Cart (110)

There will be a total of 21 Episodes in Season 1

Production
The series, created, directed and executive-produced by 2007 California Institute of the Arts (CalArts) graduate Alex Hirsch (Fish Hooks, The Marvelous Misadventures of Flapjack), is a production of Disney Television Animation. Set in the Pacific Northwest woods, the animated series features supernatural elements of adventure and mystery, inspired by the real-life summer trips shared by Hirsch and his twin sister while visiting relatives as kids.