20 episodesFirst aired 1 August 2014
Dipper, Mabel, Soos, and Wendy attempt to discover the identity of the author of the journals, while Stan continues to work on operating the mysterious portal beneath the Mystery Shack. Together, the group must stop Bill Cipher, a dream demon who wants to take over the world.
E1Aug 201422m
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.
E2Aug 201422m
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.
E3Aug 201422m
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.
E4Sept 201422m
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.
E5Sept 201422m
Soos needs a date for his cousin Reggie's engagement party and looks to a dating simulator game to help him talk to girls.
E6Oct 201422m
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.
E7Oct 201422m
The kids, along with Old Man McGucket's help, discover there is a secret society in Gravity Falls.
E8Nov 201422m
Blendin returns to face off with Dipper and Mabel in a futuristic battle that could trap them forever in time jail.
E9Nov 201422m
Mabel takes matchmaking too far when she steals a love potion from a real Love God.
E10Feb 201522m
Pacifica enlists Dipper’s help to rid the Northwest Mansion of a ghost before he wreaks havoc on her fancy party.
E11Mar 201522m
After agents Powers and Trigger take Stan into custody, Dipper and Mabel Pines begin to wonder how much they actually know about their Grunkle Stan.
E12Jul 201531m
Cornered underneath the Mystery Shack, Stan must finally reveal the secrets of his past and his mysterious portal to Dipper and Mabel.
E13Aug 201522m
Dipper finds an unlikely friend to join him with his newest obsession, a board game called “Dungeons, Dungeons & More Dungeons.”
E14Aug 201522m
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.
E15Sept 201522m
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.
E16Sept 201522m
Grunkle Stan takes the kids with him on a road-trip to sabotage all the other tourist traps in Oregon.
E17Oct 201522m
Mabel makes plans for her and Dipper's 13th birthday party; Dipper ventures below the town and discovers its most shocking secret.
E18Oct 201522m
Bill has returned to take down the Pines family. But this time he has brought some of his friends with him.
E19Nov 201522m
Dipper, Soos and Wendy must save Mabel from a strange new world, while Bill's forces plan their next move.
E20Feb 201621m
Ford discovers Bill’s true motives and a final confrontation with Bill leads to the Pines family’s fate and greatest sacrifice.