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.
| Title | Irrational Treasure |
|---|---|
| Genres | Animation Comedy Mystery Sci-Fi & Fantasy Kids Action & Adventure Family |
| Release Date | 2012-08-17 |
| Episode Runtime | 00 Hours 22 Minutes |
| Season Number | 1 |
| Episode Number | 8 |
| Production Companies | Disney Television Animation |
