Overview: Dipper’s secret journal pages lead him and the gang to the author’s hidden bunker where they find themselves face-to-face with a mysterious figure from Gravity Falls’ lore.
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First Air Date: Jan 01, 1970Last Air date: Jan 01, 1970Season: SeasonEpisode: EpisodeRuntime: minutesQuality: HDIMDb: / 10 by usersPopularity: Language: