12 year old Mabel Pines takes her 7 year old younger brother Dipper with her to Gravity Falls to stay with their great uncle for the summer. She's starting to regret taking him along after he makes a not-so-imaginary friend.
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12 year old Mabel Pines takes her 7 year old younger brother Dipper with her to Gravity Falls to stay with their great uncle for the summer. She's starting to regret taking him along after he makes a not-so-imaginary friend.
After eight years, twins Dipper and Mabel Pines have finally returned to Gravity Falls to spend another summer with their Grunkle Stan.
But something isn't quite right. Dipper has been having horribl...