For their summer vacation, twelve-year-old twins Dipper and Mabel Pines travel to the fictitious town of Gravity Falls, Oregon to spend the summer with their Great Uncle Stan Pines (often shortened to Grunkle Stan), who runs a tourist trap called the "Mystery Shack". Things are not what they seem in this small town, and with the help of a mysterious journal that Dipper finds in the forest, they begin unraveling the local mysteries.

Join twelve year-old twins Dipper and Mabel Pines as they explore the oddest spot on the map. Shipped off to spend the summer with their gruff Great Uncle ('Grunkle') Stan who runs the tacky tourist trap, 'Mystery Shack', the kids uncover mysterious surprises, unsurpassed silliness, and supernatural shenanigans lurking around every corner of the deceptively sleepy little town.

During one of Bonnie's post-Christmas playdates, the Toy Story crew find themselves in uncharted territory when the coolest set of action figures ever turn out to be dangerously delusional. It's all up to Trixie, the triceratops, if the gang hopes to ever return to Bonnie's room.

What starts out as an exciting road trip for the Toy Story gang takes an unexpected turn for the worse following a detour to a roadside motel. After Mr. Potato Head suddenly disappears, his friends find themselves caught up in a hilarious mystery that must be solved before they suffer the same fate in this thrilling story of TERROR!