Bill has returned to take down the Pines family. But this time he has brought some of his friends with him.
Grunkle Stan takes the kids with him on a road-trip to sabotage all the other tourist traps in Oregon.
Cornered underneath the Mystery Shack, Stan must finally reveal the secrets of his past and his mysterious portal to Dipper and Mabel.
Mabel takes matchmaking too far when she steals a love potion from a real Love God.
The kids, along with Old Man McGucket’s help, discover there is a secret society in Gravity Falls.
