Irrational Treasure

"Irrational Treasure" is the eighth episode in Season 1 of Gravity Falls. It will debut on August 17, 2012.

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.

Credits

 * Story by:
 * David Slack
 * Written by:
 * Tim McKeon
 * Alex Hirsch
 * Directed by:
 * John Aoshima
 * Storyboards by:
 * Mark Garcia
 * Chris Sonnenburg
 * Niki Yang


 * Starring:
 * Kristen Schaal - Mabel Pines
 * Jason Ritter - Dipper Pines
 * Alex Hirsch - Grunkle Stan/Quentin Trembley/Old Man McGucket
 * Jackie Buscarino - Pacifica Northwest
 * Keith Ferguson - Deputy Durland
 * Kevin Michael Richardson - Sheriff Blubs
 * Gregg Turkington - Toby Determined
 * Thurop Van Orman - Lil' Gideon


 * Additional Voices:
 * Keith Ferguson
 * Alex Hirsch
 * Chris Parnell
 * Kevin Michael Richardson
 * Jason Ritter
 * Tara Strong
 * Gregg Turkington
 * Kari Wahlgren

Trivia
This is the first time we see Mabel without a sweather in the daytime. Gideon makes a cameo in this episode. This is the first time we don't see the mystery shack.

The Cryptogram says ' V. Kofiryfh Givnyovb' which translate in Atbash Cipher to ' E. Pluribus Trembley'.

See also: List of allusions and List of goofs.