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.

On the edge of the Great Valley stands mysterious Saurus Rock and twin Threehorns, Dinah and Dana, have run away to find it. Could the mysterious Longneck named Doc be the famous Lone Dinosaur? To find out, Littlefoot and friends must cross the Great Valley and face a dangerous Sharptooth themselves! Along the way they learn about change, acceptance and responsibility.

In the cold winter light of the Mississippi Delta, three lonely people stumble under the weight of a shared tragedy. Lawrence is paralyzed with grief after the suicide of his twin brother. Twelve-year-old James drifts into the perilous orbit of local teenagers while his single mother, Marlee, is too exhausted from her menial job to interpret the clues. Sudden violence forces mother and son to flee their home and they alight on Lawrence's property....