Irrational Treasure
- Episode aired Aug 17, 2012
- TV-Y7
- 21m
During Gravity Falls' Pioneer Day celebration, the kids attempt to uncover a conspiracy about the town's real founder.During Gravity Falls' Pioneer Day celebration, the kids attempt to uncover a conspiracy about the town's real founder.During Gravity Falls' Pioneer Day celebration, the kids attempt to uncover a conspiracy about the town's real founder.