Gravity Falls Season 1 -

(Kristen Schaal): Energetic, optimistic, and often focused on "summer romances".

(Alex Hirsch): The twins' "con-artist" great-uncle who runs the Mystery Shack , a tourist trap filled with fake oddities. Plot Summary Review: Gravity Falls Season One | A Reckless Venture Gravity Falls Season 1

: Officially premiered on June 29, 2012, on Disney Channel , following a sneak peek of the pilot on June 15. Format : The season consists of 20 episodes . (Kristen Schaal): Energetic