yahoo201027:Day in Fandom History: June 15…When Dipper and Mabel Pines arrive to spend their summer
yahoo201027:Day in Fandom History: June 15…When Dipper and Mabel Pines arrive to spend their summer break in the remote town of Gravity Falls, Mabel’s suspiciously weird new boyfriend causes the twins to come face to face with the town’s strange and uncanny secrets. The First Episode of Gravity Falls, “Tourist Trapped”, premiered on this day, 9 Years Ago. -- source link