Fair rating?Gravity Falls· Season 2 · Episode 17
Dipper and Mabel vs. the Future
Mabel decides to plan for her and Dipper's 13th birthday party.
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#6In Season 2of 20 rated episodes
#7All-timeof 40 rated episodes
+0.3vs season avgSeason 2 averages 8.6
2015First airedOctober 12, 2015