Ford discovers Bill's true motives and a final confrontation with Bill leads to the Pines family's ultimate fate and greatest sacrifice.

Dipper, Soos and Wendy must save Mabel from a strange new world, while Bill's forces plan their next move.

Bill has returned to take down the Pines family. But this time he has brought some of his friends with him.

Mabel decides to plan for her and Dipper's 13th birthday party.

Grunkle Stan takes the kids with him on a road-trip to sabotage all the other tourist traps in Oregon.

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.

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.

Dipper finds an unlikely friend to join him with his newest obsession, a board game called "Dungeons, Dungeons & More Dungeons.".

Cornered underneath the Mystery Shack, Stan must finally reveal the secrets of his past and his mysterious portal to Dipper and Mabel. Academy Award winner J.K. Simmons ("Whiplash") recurs as Stan's twin brother.

After government agents take Stan into custody, Dipper and Mabel question how much they really know about their Grunkle Stan. Nick Offerman guest stars as Agent Powers.

Pacifica enlists Dipper's help to rid the Northwest Mansion of a ghost before he wreaks havoc on her fancy party. Nathan Fillion reprises his role as Pacifica's father, Preston Northwest.

Mabel takes matchmaking too far when she steals a love potion from a real love god.

Blendin Blandin returns to fight Dipper and Mabel in a futuristic battle that could trap the two of them forever in time jail.

The kids, along with Old Man McGucket's help, discover there is a secret society in Gravity Falls.

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 for the first time, and Mabel faces her fear of Claymotion.

Soos needs a date for his cousin Reggie's engagement party and looks to a dating simulator game to help him talk to girls.

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 journal secrets leads to a supernatural disaster.

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.

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.

The Pines family resolves to get back to normal after the Li'l Gideon incident. They throw a "Mystery Shack is Back" party, but some unwelcome guests crash the celebration.