Gravity Falls (2012)

S1E1 Tourist Trapped

Dipper and Mabel Pines, a pair of adventurous twins, head to Gravity Falls, Oregon, to spend the summer with their quirky great-uncle, who runs an unusual museum filled with oddities. Upon their arrival, the twins quickly sense that there’s something strange going on in this secluded town. Their summer takes an unexpected turn as they begin to uncover the town's mysteries and secrets.