When the DeLorean malfunctions and drops Marty McFly in the future in Gravity Falls, Oregon, it doesn't take long for him to bump into one of the town's more eccentric inhabitants of the summer. An excerpt from my upcoming 'Back to the Falls' Gravity Falls & Back to the Future crossover fic.
Crossover - Back to the Future & Gravity Falls - Rated: K+ - English - Chapters: 1 - Words: 1,233 - Reviews: 8 - Favs: 9 - Follows: 10 - Published: 7/3/2016 - Marty McFly, Mabel P. - Complete