Dipper and Mabel vs. the Future

Mabel makes plans for her and Dipper's 13th birthday party; Dipper ventures below the town and discovers its most shocking secret.

Guest Stars

Carl FaruoloGrenda (voice)

J.K. SimmonsStanford Pines (voice)

Mike RiandaLee / Thompson (voice)

Matt ChapmanSprott (voice) / Additional Voices (voice)

Justin RoilandBlendin Blandin (voice)

Niki YangCandy Chiu (voice)

T.J. MillerRobbie Valentino (voice)