Gravity Falls
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.
Season 1 · Episode 8 ·
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.
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Episode 8 of season 1 of Gravity Falls: “Irrational Treasure”. Aired 2012-08-17. Watch it online free on ZapFlix.