When did Gravity Falls Season 1 Episode 20 air?
Gravity Falls Season 1 Episode 20 aired on August 2, 2013.


Just west of weird.
Twin brother and sister Dipper and Mabel Pines are in for an unexpected adventure when they spend the summer helping their great uncle Stan run a tourist trap in the mysterious town of Gravity Falls, Oregon.

Li'l Gideon swindles the Mystery Shack away, forcing Grunkle Stan and the kids to move in with Soos. While Stan weighs how he can still care for his grandniece and nephew, they decide to take on Gideon.
Direct answers for episode-level questions and details.
Gravity Falls Season 1 Episode 20 aired on August 2, 2013.
This episode runs for approximately 26 minutes.
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