After Lil' Gideon takes over the Shack, Dipper and Mabel try to defeat him and win back their home.
Defeated by Grunkle Stan, Lil' Gideon uses a mind demon on Dipper, Mabel and Soos.
When Waddles gets snatched up by a pterodactyl, the gang journeys back in time to save him.
When Mabel finds her favorite band is really a bunch of trapped clones, she tries to set them free.
The twins discover a hidden room inside the Mystery Shack and compete over who should have it.
When Mabel befriends a cute Merman trapped in the public pool, she's determined to help him out.
While Stan, Dipper, Mabel and Soos are falling in a bottomless pit, they tell stories to pass time.
Stan challenges Mabel to run the Shack when she questions his bossing methods.
It's Gravity Falls' version of Halloween in summer with Jack-O-Melons and trick-or-treating!
Feeling insecure that Mabel is becoming the alpha twin, Dipper seeks a magical way to grow taller.
Dipper is shocked when his favorite video game character comes to life to defend him in a fight.
Dipper's wish comes true when he finds a time machine that can help him go back and undo a mistake.
When the twins find evidence that the town founder is a hoax, they set out to expose the truth.
When Stan throws a party at the Mystery Shack, Dipper makes clones of himself to impress Wendy.
When Dipper decides he needs to learn to "be a man," he wanders into the forest on an epic quest.
When Dipper tries to impress Wendy, he ends up in an old, abandoned store that may be haunted.
Twin brother and sister Dipper and Mabel Pines are in for an unexpected adventure when they spend the summer with their great uncle in the mysterious town of Gravity Falls.
Mabel, Dipper, and Wendy sneak up to the roof.
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