Dipper and Mabel vs. the Future S17E17 - Dipper and Mabel vs. the Future 2015
Mabel makes plans for her and Dipper's 13th birthday party; Dipper ventures below the town and discovers its most shocking secret.
- Released: 2015-10-12
- Runtime: 50 minutes
- Genre:
- Stars: Jason Ritter, Kristen Schaal, Alex Hirsch, Linda Cardellini
- Director: Stephen Sandoval