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.
Cast
Jason RitterDipper Pines (voice)
Kristen SchaalMabel Pines (voice)
Alex HirschGrunkle Stan / Soos Ramirez / Bill Cipher / Old Man McGucket (voice)
Linda CardelliniWendy Corduroy (voice)
Gravity Falls on tvt
