Gravity Falls season 1 episode 8

Air Date: 2012-08-17

Duration: 22 min

Genre: Action   Adventure   Comedy   Fantasy   Sci-Fi   Mystery   Animation   Family

Episode title: Irrational Treasure

When Dipper and Mabel discover evidence that the reported town founder is a hoax, they set out to expose the historical cover-up and prove that Mabel's silliness is not a bad thing.