Irrational Treasure
Show: Gravity Falls --> Season: 1 - Season 1
AirDate: 8/17/2012
Runtime: 22
Voting: 7.3 (28)

Overview: 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.
Jackie Buscarino
Pacifica Northwest (voice)
Gregg Turkington
Toby Determined (voice)
Thurop Van Orman
Gideon Gleeful (voice)
Chris Parnell
Additional Voices (voice)
Tara Strong
Sue / Additional Voices (voice)
Keith Ferguson
Deputy Durland / Additional Voices (voice)
Kevin Michael Richardson
Sheriff Blubs / Additional Voices (voice)
Kari Wahlgren
Priscilla Northwest / Additional Voices (voice)