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.
Episodes
1. Scary-oke
Aug 1, 2014 24m 8.4The 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.
2. Into the Bunker
Aug 4, 2014 23m 8.9Dipper’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.
3. The Golf War
Aug 11, 2014 24m 7.5After 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.
4. Sock Opera
Sep 8, 2014 23m 8.0Mabel 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.
5. Soos and the Real Girl
Sep 22, 2014 23m 8.2Soos needs a date for his cousin Reggie's engagement party and looks to a dating simulator game to help him talk to girls.
6. Little Gift Shop of Horrors
Oct 4, 2014 23m 7.4In 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.
7. Society of the Blind Eye
Oct 27, 2014 23m 8.5The kids, along with Old Man McGucket's help, discover there is a secret society in Gravity Falls.
8. Blendin's Game
Nov 10, 2014 23m 8.4Blendin returns to face off with Dipper and Mabel in a futuristic battle that could trap them forever in time jail.
9. The Love God
Nov 26, 2014 23m 7.4Mabel takes matchmaking too far when she steals a love potion from a real Love God.
10. Northwest Mansion Noir
Feb 16, 2015 24m 8.9Pacifica enlists Dipper’s help to rid the Northwest Mansion of a ghost before he wreaks havoc on her fancy party.
11. Not What He Seems
Mar 9, 2015 24m 9.5After agents Powers and Trigger take Stan into custody, Dipper and Mabel Pines begin to wonder how much they actually know about their Grunkle Stan.
12. A Tale of Two Stans
Jul 13, 2015 31m 9.2Cornered underneath the Mystery Shack, Stan must finally reveal the secrets of his past and his mysterious portal to Dipper and Mabel.
13. Dungeons, Dungeons, & More Dungeons
Aug 3, 2015 24m 7.9Dipper finds an unlikely friend to join him with his newest obsession, a board game called “Dungeons, Dungeons & More Dungeons.”
14. The Stanchurian Candidate
Aug 24, 2015 24m 7.6When 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.
15. The Last Mabelcorn
Sep 7, 2015 23m 8.4A new threat leads Mabel to venture into the enchanted realm of the unicorns. Meanwhile, Dipper learns an unexpected twist about the enigmatic Bill Cipher.
16. Roadside Attraction
Sep 21, 2015 23m 6.8Grunkle Stan takes the kids with him on a road-trip to sabotage all the other tourist traps in Oregon.
17. Dipper and Mabel vs. the Future
Oct 12, 2015 24m 8.9Mabel makes plans for her and Dipper's 13th birthday party; Dipper ventures below the town and discovers its most shocking secret.
18. Weirdmageddon (1)
Oct 26, 2015 24m 9.2Bill has returned to take down the Pines family. But this time he has brought some of his friends with him.
19. Weirdmageddon (2): Escape from Reality
Nov 23, 2015 24m 9.0Dipper, Soos and Wendy must save Mabel from a strange new world, while Bill's forces plan their next move.
20. Weirdmageddon (3): Take Back the Falls
Feb 15, 2016 44m 9.6Ford discovers Bill’s true motives and a final confrontation with Bill leads to the Pines family’s fate and greatest sacrifice.