When did Gravity Falls Season 1 Episode 18 air?
Gravity Falls Season 1 Episode 18 aired on June 28, 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.

When Waddles is snatched by a prehistoric beast, Dipper, Mabel, Stan, Soos, and Old Man McGucket must journey to a mysterious land trapped in time to rescue him.
Direct answers for episode-level questions and details.
Gravity Falls Season 1 Episode 18 aired on June 28, 2013.
This episode runs for approximately 24 minutes.
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