The first season of the American animated television series Gravity Falls premiered on Disney Channel on June 15, 2012, and ended on August 2, 2013.

The season revolves around the various antics of two fraternal twins, Dipper and Mabel Pines, who were handed over to their Great Uncle (or "Grunkle") Stan, who runs a tourist trap called The Mystery Shack, in the town of Gravity Falls, Oregon.

Hirsch graduated from the California Institute of the Arts, and was hired to work as writer and storyboard artist for the Cartoon Network series The Marvelous Misadventures of Flapjack, where he was paired up with Pendleton Ward, the creator of Adventure Time.

Afterwards, he moved on to co-develop the Disney Channel animated series Fish Hooks, shortly before he pitched (and was subsequently green-lit) Gravity Falls.

Club during production of season 1, that a typical episode is conceived in a room reserved for writers, where a simple synopsis is presented, and from then on dramatic structure is defined, and the plot is modified to include a character-driven subplot, which Hirsch expresses as "the hardest thing... to find a character story that actually uncovers, explores, or pushes tension – on something our characters care about – that is properly explored via the magic or monster or impossibility of the week.

[1] The main characters comprises the voices of Jason Ritter as Dipper and Kristen Schaal as Mabel, with series creator Alex Hirsch portraying Grunkle Stan and Soos, and Wendy Corduroy played by Linda Cardellini.

[1] The recurring characters comprises the voices of Dee Bradley Baker as Mabel's pet pig, Waddles, and Hirsch also playing Old Man McGucket, the "local kook" of the town, and Bill Cipher, an interdimensional demon.

[1] Other voices include John Oliver, who plays a wax figure of Sherlock Holmes (also featured in "Headhunters"), Alfred Molina as Multi-Bear and Jennifer Coolidge as Lazy Suzan in the episode "Dipper vs.

[4] Greg Cipes and John Roberts voice Craz and Xyler, characters from the fictional film "Dream Boy High" in the episode "Dreamscaperers".

Dipper, Mabel, and Soos embark on a boating expedition to prove that a sea monster exists beneath, hoping to win a thousand dollars.

On the annual Pioneer Day at Gravity Falls, the kids discover that the town's founder, Nathaniel Northwest, was a fraud and a hoax, so they set out to expose the truth.

When Mabel discovers that her favorite boy band, Sev'ral Time, is actually a bunch of imprisoned clones, she sets them free, only to decide on keeping them for herself.