Dipper's Guide to the Unexplained - Mailbox
Show: Gravity Falls --> Season: 0 - Specials
AirDate: 10/15/2013
Runtime: 4
Voting: 8.2 (4)

Overview: Dipper and Soos stumble upon a mailbox in the middle of the forest and make it their mission to discover who (or what) picks up the mail left inside.