Overview: The Pines family is starting to get everything back to normal after the Lil' Gideon incident. They throw a “Mystery Shack Is Back” party, but some unwelcome guests intend to crash it.
Overview: Dipper’s secret journal pages lead him and the gang to the author’s hidden bunker where they find themselves face-to-face with a mysterious figure from Gravity Falls’ lore.
Overview: After being belittled by Pacifica one too many times, Mabel challenges her to a miniature golf-off which gets a tad out of control when some local residents offer their help.
Overview: Mabel decides to put on a sock puppet rock opera to impress a local puppeteer, but her show goes awry when Dipper's drive to uncover more of the journal's secrets leads to a supernatural disaster.
Overview: Soos needs a date for his cousin Reggie's engagement party and looks to a dating simulator game to help him talk to girls.
Overview: In three separate mysterious tales, Stan is cursed by a Witch, Waddles accidentally eats a bowl of brain-enhancing jelly and builds a machine that allows him to speak, and Mabel faces her fear of claymation.
Overview: The kids, along with Old Man McGucket's help, discover there is a secret society in Gravity Falls.
Overview: Blendin returns to face off with Dipper and Mabel in a futuristic battle that could trap them forever in time jail.
Overview: Mabel takes matchmaking too far when she steals a love potion from a real Love God.
Overview: Pacifica enlists Dipper’s help to rid the Northwest Mansion of a ghost before he wreaks havoc on her fancy party.
Overview: After agents Powers and Trigger take Stan into custody, Dipper and Mabel begin to wonder how much they actually know about their Grunkle Stan.
Overview: Cornered underneath the Mystery Shack, Stan must finally reveal the secrets of his past and his mysterious portal to Dipper and Mabel.
Overview: Dipper finds an unlikely friend to join him with his newest obsession, a board game called “Dungeons, Dungeons & More Dungeons.”
Overview: When Grunkle Stan decides to run for mayor, Dipper and Mabel have their work cut out for them trying to turn their gaffe-prone uncle into the perfect candidate.
Overview: A new threat leads Mabel to venture into the enchanted realm of the unicorns. Meanwhile, Dipper learns an unexpected twist about the enigmatic Bill Cipher.
Overview: Grunkle Stan takes the kids with him on a road-trip to sabotage all the other tourist traps in Oregon.
Overview: Mabel makes plans for her and Dipper's 13th birthday party; Dipper ventures below the town and discovers its most shocking secret.
Overview: Bill has returned to take down the Pines family. But this time he has brought some of his friends with him.
Overview: Dipper, Soos and Wendy must save Mabel from a strange new world, while Bill's forces plan their next move.
Overview: Ford discovers Bill’s true motives and a final confrontation with Bill leads to the Pines family’s ultimate fate and greatest sacrifice.