After the season one finale, Mikey has a sobering nightmare that fills him with self-doubt. Unable to sleep, he discovers Master Splinter is still awake, and clearly deeply saddened by something. Wanting to cheer him up somehow, he joins him and the two have a rare heart to heart that proves cathartic for them both. 2012 series

Dipper has always been fascinated by Bigfoot, but his desire to prove it exists might come at a terrible cost when Mabel goes missing, leaving troubling evidence behind. Dipper is determined to find his sister but something dangerous lurks in Gravity Falls Forest, and it soon becomes apparent that no one is safe.

What starts off as a promising summer soon leads to heartbreak for Dipper and Mabel both but none of it matters after a vicious attack turns their lives upside down and nothing will ever be the same. Their lives forever changed, Dipper and Mabel can only count on each other to make it through the challenges they now face, but will they even survive the danger that now follows them?