|Country of origin||United States|
|No. of episodes||20|
|Original release||August 1, 2014 –|
February 15, 2016
The second and final season of the American animated television series Gravity Falls began on August 1, 2014 on Disney Channel and on August 4, 2014 on Disney XD, and ended on February 15, 2016.  
The second season continues right where the first season left off. The first 12 episodes mainly focus on Dipper, Mabel, Soos, and Wendy working on discovering the identity of the author of the journals, while Stan Pines continues to work on operating the mysterious portal beneath the Mystery Shack. The last eight episodes primarily focus on the gang trying to stop Bill Cipher, a dream demon with infinite power who wants to take over the world with weirdness, with J. K. Simmons joining the main cast as Ford Pines.
On July 29, 2013, the show was renewed for a second season.  On February 16, 2014, it was announced that Gravity Falls would move from Disney Channel to Disney XD in Spring 2014, and that the second season would be shown on that channel.  On March 4, 2014, Alex Hirsch announced on his Twitter account that the second season would premiere in Summer 2014. On June 14, 2014, it was confirmed that Season 2 would premiere on August 1, 2014 on Disney Channel and on August 4, 2014 on Disney XD. On the same day, it was announced that Season 2 would air on both Disney XD and Disney Channel. However, most of the new episodes would premiere on Disney XD before Disney Channel. It was announced that the second season will consist of 20 to 22 episodes. 
The main characters, voiced by Jason Ritter as Dipper, and Kristen Schaal as Mabel, with series creator Alex Hirsch portraying Grunkle Stan and Soos, and Wendy Corduroy played by Linda Cardellini, reprise their roles. Hirsch also voices Bill Cipher, who returns in the fourth episode, "Sock Opera". J. K. Simmons plays Stan's twin brother, Stanford Filbrick "Ford" Pines, starting with the twelfth episode, "A Tale of Two Stans".
The recurring characters comprises the voices of Dee Bradley Baker as Mabel's pet pig, Waddles, and Hirsch also playing Old Man McGucket, the "local kook" of the town. Kevin Michael Richardson plays Sheriff Blubs, with partner Deputy Durland being voiced by Keith Ferguson. Pacifica Northwest is played by Jackie Buscarino. T. J. Miller plays as Robbie Valentino. Frank Welker voices Gompers, a goat who lives in the forest of Gravity Falls. Thurop Van Orman voices the recurring villain Li'l Gideon. Voice acting veteran John DiMaggio plays Manly Dan, a strong lumberjack and father of Wendy. Niki Yang and Carl Faruolo play Candy Chiu and Grenda, Mabel's two best friends, respectively. Toby Determined, a journalist for Gravity Falls' Gossiper, is voiced by Gregg Turkington, and Will Forte plays Tyler Cutebiker.
For this season, the show broadcast most of its original episodes on Disney XD,  with Disney Channel airing reruns, although "Scary-oke" and "Little Gift Shop of Horrors" aired on Disney Channel first. The season premiered on Disney Channel Europe, Middle East and Africa on December 3, 2014.  It also airs on Disney XD Canada with differently assigned numbers: "Northwest Mansion Mystery" is counted 11 instead of 10,  "Not What He Seems" is counted 10 instead of 11,  "The Last Mabelcorn" is counted 17 instead of 15,  "Dipper and Mabel vs. the Future" is counted 16 instead of 17,  and "Weirdmageddon 3" is counted 24 instead of 20. 
|Title||Directed by||Written by||Original air date||
|21||1||"Scary-oke"||Rob Renzetti||Matt Chapman, Alex Hirsch & Jeff Rowe||August 1, 2014[note 1]||203||2.37 |
Stan continues to work on the portal while the Mystery Shack throws a grand re-opening party after the Li'l Gideon incident. Meanwhile, when Dipper meets two government agents, he tries to tell them about the mysteries of Gravity Falls by showing them his journal. When the agents don't believe anything written in the journal, Dipper ends up conjuring up zombies to prove to them he's not crazy.Guest stars: Nick Offerman as Agent Powers and Brad Abrell as Agent Trigger
|22||2||"Into the Bunker"||Joe Pitt||Matt Chapman & Alex Hirsch||August 4, 2014||201||0.94 |
Dipper's journal pages lead the gang to the author's hidden bunker where they find themselves face-to-face with an evil shapeshifter whom the author raised from a mysterious egg. Meanwhile, Dipper finally builds up the courage to tell Wendy how he feels about her.Guest star: Mark Hamill as The Shape Shifter
|23||3||" The Golf War"||Matt Braly||Alex Hirsch & Jeff Rowe||August 11, 2014||202||1.27 |
After being belittled by Pacifica one too many times, Mabel challenges her to a miniature golf-off which gets out of control when she and Dipper discover that living golf balls control the courses.Guest stars: Patton Oswalt as Franz, Frank Caliendo as Sergei, Nathan Fillion as Preston Northwest, John O'Hurley as Knight Lilliputtian, Jim Cummings as Pirate Lilliputtian, John Roberts as Xyler and Greg Cipes as Craz
|24||4||"Sock Opera"||Matt Braly & Joe Pitt||Alex Hirsch & Shion Takeuchi Additional Written Material by: Zach Paez||September 8, 2014||205||0.87 |
Mabel attempts to make the perfect sock puppet show to impress her new crush. Meanwhile, Dipper tries to figure out the password to the laptop found in the bunker, while Bill Cipher wants to make a "deal" with him.Guest star: Jorma Taccone as Gabe Bensen
|25||5||"Soos and the Real Girl"||Matt Braly||Alex Hirsch & Mark Rizzo||September 22, 2014||204||0.84 |
After Soos promises his grandmother to find a date for his cousin Reggie's engagement party, Dipper and Mabel offer to help him. Eventually, he uses a dating simulator to help him talk to girls. However, Giffany, the girl in the game, obsessively falls in love with Soos and reveals herself as a sentient, malicious and extremely jealous AI after Soos asks Melody, a girl who works at a meat stand, for a date. Meanwhile, Stan plans to steal a kiddie robot for the Mystery Shack.Guest stars: Jillian Bell as Melody, Jessica DiCicco as Giffany, Paul Scheer as Gary and Brian Bloom as Rumble McSkirmish
|26||6||"Little Gift Shop of Horrors"||Stephen Sandoval||Matt Chapman, Alex Hirsch & Shion Takeuchi|
Additional Written Material by: Zach Paez
|October 4, 2014[note 2]||206||2.31 |
In this non-canon episode, Stan tries to sell Mystery Shack merchandise to an unknown buyer by telling stories about each item he sells. Stories include:
Guest star: Neil deGrasse Tyson as "smart" Waddles
|27||7||"Society of the Blind Eye"||Sunil Hall||Matt Chapman & Alex Hirsch Additional Written Material by: Zach Paez||October 27, 2014||207||1.07 |
Dipper, Mabel, Soos, Wendy and Old Man McGucket discover a secret society in Gravity Falls that erases people's memories of the supernatural.
Guest star: Peter Serafinowicz as Blind IvanNote: This episode features an Easter egg crossover with Rick and Morty, via a pen, notepad, and mug, which previously emerged from a portal in the Rick and Morty first season " Close Rick-counters of the Rick Kind" (which aired almost seven months earlier, on April 7, 2014), in this episode being accidentally dropped through the other end of the same portal by Stan Pines.  
|28||8||"Blendin's Game"||Matt Braly||Alex Hirsch & Jeff Rowe||November 10, 2014||208||0.78 |
Blendin Blandin returns to face off against Dipper and Mabel in a futuristic, potentially deadly battle. Meanwhile, Soos is upset about his birthday, and Dipper and Mabel try to figure out why.Guest stars: Justin Roiland as Blendin Blandin, Dave Wittenberg as Time Baby and Lolph and Diedrich Bader as Dundgren
|29||9||"The Love God"||Sunil Hall||Alex Hirsch & Josh Weinstein||November 26, 2014||209||0.82 |
Mabel takes matchmaking too far when she steals a love potion from a real Love God to use on Robbie and Tambry. Meanwhile, Stan decides to create a hot air balloon for the Woodstick music festival.Guest star: John DiMaggio as Love God and Jillian Bell as Melody
|30||10||" Northwest Mansion Mystery"||Matt Braly||Alex Hirsch, Mark Rizzo & Jeff Rowe||February 16, 2015||211||1.17 |
The Northwests hire Dipper to deal with a ghost that threatens to disrupt their party but Dipper soon find out the Northwests's secret from that ghost. During the party, Candy, Grenda and Mabel fight over a boy they all want to date.Guest stars: Nick Offerman as Agent Powers, Brad Abrell as Agent Trigger and Nathan Fillion as Preston Northwest
|31||11||" Not What He Seems"||Stephen Sandoval||Matt Chapman, Alex Hirsch, Jeff Rowe, Shion Takeuchi & Josh Weinstein Additional Written Material by: Zach Paez||March 9, 2015||210||1.58 |
After government agents take Stan into custody, Dipper and Mabel begin to question how much they really know about their Grunkle and must work out whether or not they truly trust him anymore. Finally, the portal is activated and the author of the journals is revealed to be Stan's long-lost brother, who emerges from the portal as Dipper, Mabel, Soos and Grunkle Stan look on.Guest stars: Nick Offerman as Agent Powers and Brad Abrell as Agent Trigger
|32||12||" A Tale of Two Stans" [note 3]||Sunil Hall||Matt Chapman, Alex Hirsch & Josh Weinstein||July 13, 2015||214||1.91 |
Stan has to reveal his past to Dipper and Mabel, along with the secrets of his twin brother, Stanford "Ford" Pines. Stan's real name is actually Stanley Pines: thirty years ago Ford constructed the portal but was trapped inside it due to a mishap with Stanley, his estranged con-artist brother. Stanley assumed his brother's identify as "Stanford Pines", and spent the next thirty years trying to fix the portal to get Ford back. He was finally able to reactivate the portal after the kids discovered Ford's missing journals. In the end, the agents leave after having their memories erased, and Stanford decides to live in the underground lab under the Mystery Shack. Grunkle Stan makes him promise he will leave the kids alone after being told that he would have to leave the Mystery Shack at the end of the summer.Guest stars: Nick Offerman as Agent Powers, Brad Abrell as Agent Trigger and Jonathan Banks as Filbrick Pines
|33||13||"Dungeons, Dungeons & More Dungeons"||Stephen Sandoval||Matt Chapman, Alex Hirsch & Josh Weinstein|
Additional Written Material by: Zach Paez
|August 3, 2015||212||1.22 |
Dipper finds his favorite board game called "Dungeons, Dungeons, and More Dungeons", and Great Uncle Ford joins him. When Grunkle Stan accidentally rolls Ford's Infinity-Sided Dice, the characters from the game come to life and capture Dipper and Ford. Meanwhile, Mabel, Grunkle Stan and Grenda try to watch the Ducktective season finale.Guest star: "Weird Al" Yankovic as Probabilitor
|34||14||"The Stanchurian Candidate"||Matt Braly||Alex Hirsch, Jeff Rowe & Josh Weinstein Additional Written Material by: Mike Rianda||August 24, 2015||213||1.16 |
When Stan decides to run for mayor, Dipper and Mabel must make him a better candidate to increase his chances.Guest star: Cecil Baldwin as Tad Strange
|35||15||"The Last Mabelcorn"||Matt Braly||Alex Hirsch||September 7, 2015||217||0.84 |
Mabel and her friends go on a magical quest to get unicorn hair in order to protect the Mystery Shack from Bill Cipher. Meanwhile, Dipper finds out that Bill and Ford used to be partners and designed the portal together. However, Bill tricked him the whole time, so Ford had to shut down the portal. Bill has been waiting for the reactivation ever since, and once he gets his hands on the interdimensional rift created by the portal it will mean the end of the world.Guest star: Sam Marin as Celestabellebethabelle
|36||16||"Roadside Attraction"||Sunil Hall||Alex Hirsch, Jeff Rowe & Josh Weinstein||September 21, 2015||215||0.91 |
Stan brings the kids on a road trip to ruin every other tourist trap in Oregon. Meanwhile, Stan tries to help Dipper get over Wendy.Guest star: Chelsea Peretti as Darlene
|37||17||"Dipper and Mabel vs. the Future"||Stephen Sandoval||Matt Chapman, Alex Hirsch & Josh Weinstein|
Outline by: Alex Hirsch & Mark Rizzo
|October 12, 2015||216||0.94 |
Mabel decides to plan her and Dipper's 13th birthday party, it's a big deal to Mabel because it also the same day they have to leave Gravity falls, Ford however needs Dipper's help in sealing up the rift, Mabel who doesn't know about the rift lets Dipper go with Ford giving him matching backpacks and walkie talkies when they need help. Meanwhile, Ford reveals to Dipper the most surprising secret yet – a giant UFO which, according to Ford, crashed millions of years ago and is buried under the town. It was by using parts of this alien technology that Ford was able to construct the dimensional portal. Bill Cipher tricks Mabel into handing him the interdimensional rift, which Bill then uses to enter the physical world and open a portal from his own dimension. The end of the world begins.Guest star: Justin Roiland as Blendin Blandin
|38||18||"Weirdmageddon Part 1"||Sunil Hall||Alex Hirsch & Josh Weinstein||October 26, 2015||218||1.41 |
The ultimate battle for the fate of the world begins as Bill Cipher and his "friends" are released from their dimension. Meanwhile, Dipper and Wendy try to save Mabel from a prison bubble designed by Bill and guarded by Gideon.
Named "Xpcveaoqfoxso" in subsequent airings.
Guest stars: Louis C.K. as The Horrifyingly Sweaty One-Armed Monstrosity [note 4], Danielle Fishel as Pyronica, Patrick McHale as Hectorgon, Andy Merrill as Teeth, Brian Bloom as Rumble McSkirmish, Nathan Fillion as Preston Northwest, Justin Roiland as Blendin Blandin and Dave Wittenberg as Time Baby and LolphNote: Jason Ritter and Linda Cardellini also appear briefly as Dipper and Wendy (respectively) in a live-action shot.
|39||19||"Weirdmageddon 2: Escape from Reality"||Matt Braly||Alex Hirsch & Jeff Rowe||November 23, 2015||219||1.67 |
Dipper, Soos and Wendy enter Mabel's bubble to save her and discover an odd world inside of it. Meanwhile, Bill and his friends try to initiate the second phase of their master plan.Guest stars: Jon Stewart as Judge Kitty Kitty Meow Meow Face-Schwartstein, John Roberts as Xyler, Greg Cipes as Craz, Danielle Fishel as Pyronica, Patrick McHale as Hectorgon, Eric Bauza as Ernesto and Alfred Molina as the Multi-Bear
|40||20||" Weirdmageddon 3: Take Back the Falls" [note 5]||Stephen Sandoval||Alex Hirsch, Shion Takeuchi, Mark Rizzo, Jeff Rowe & Josh Weinstein||February 15, 2016||220-221||2.47 |
Dipper and Mabel rally the town to fight against Bill Cipher and his minions in one final stand to save Gravity Falls from destruction.Guest stars: Nathan Fillion as Preston Northwest, Larry King as Wax Larry King, Alfred Molina as Multi-Bear, Cecil Baldwin as Tad Strange, Danielle Fishel as Pyronica, Andy Merrill as Teeth, Louis C.K. as The Horrifying Sweaty One-Armed Monstrosity [note 4] and Kyle MacLachlan as Bus Driver
The season received wide acclaim from critics.
|1||"Scary-oke"||August 1, 2014||B+|
|2||"Into the Bunker"||August 4, 2014||A|
|3||" The Golf War"||August 11, 2014||B|
|4||"Sock Opera"||September 8, 2014||A|
|5||"Soos and the Real Girl"||September 22, 2014||B-|
|6||"Little Gift Shop of Horrors"||October 4, 2014||A-|
|7||"Society of the Blind Eye"||October 27, 2014||A-|
|8||"Blendin's Game"||November 10, 2014||A-|
|9||"The Love God"||November 26, 2014||B+|
Northwest Mansion Mystery"
" Northwest Mansion Noir"
|February 16, 2015||A-|
|11||" Not What He Seems"||March 9, 2015||A|
|12||" A Tale of Two Stans"||July 13, 2015||A|
|13||"Dungeons, Dungeons, & More Dungeons"||August 3, 2015||B+|
|14||"The Stanchurian Candidate"||August 24, 2015||B|
|15||"The Last Mabelcorn"||September 7, 2015||A-|
|16||"Roadside Attraction"||September 21, 2015||A-|
|17||"Dipper and Mabel vs. the Future"||October 12, 2015||A-|
|18||"Weirdmageddon Part 1"||October 26, 2015||A|
|19||"Weirdmageddon 2: Escape from Reality"||November 23, 2015||A-|
|20||" Weirdmageddon 3: Take Back The Falls"||February 15, 2016||A|
EP 10 Not What He Seems Aired on 04/06/15
EP 11 Northwest Mansion Mystery Aired on 03/22/15
S2: EP 24 Weirdmageddon 3/4 Finale
EP 16 Dipper and Mabel vs. The Future Aired on 01/26/16
EP 17 The Last Mabelcorn Aired on 01/26/16
EP 18 Weirdmageddon Part 1 Aired on 01/26/16
EP 19 Weirdmageddon Part II Escape... Aired on 10/26/15
If you look very closely, there's one scene in which a pen, a notepad, and a mug emerge from one of Rick [Sanchez's portals as he attempts to dodge the Council of Ricks. Stan Pines on Gravity Falls [later] loses these [same] items in a portal during one episode.
Eagle-eyed fans of the Disney XD series Gravity Falls may have noticed while watching "Close Rick-Counters Of The Rick Kind" that Grun[k]le Stan's Mug, pen, and notebook that were sucked into a gigantic portal. While Rick [Sanchez] and Morty [Smith are trying to get the Squanch out of dodge, Rick opens several portals to throw off the Ricks on their tail. One of the portals he opens spits out the exact items Grun[k]le Stan [later] lost in Gravity Falls.