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"Land Before Swine"[2] is the 18th episode of the first season of Gravity Falls. It premiered on June 28, 2013 on Disney Channel.[2]

Official overview[]

When a prehistoric beast snatches Mabel’s beloved pig Waddles, the Pines family must journey to a land trapped in time to rescue him.[2]


S1e18 Claws

A flying creature rips the roof off of the police's car.

As a car speeds down the road at night, Sheriff Blubs and Deputy Durland sit in their car and unsuccessfully attempt to complete a maze. Durland is initially distraught by his failure and Blubs tries to cheer him up by telling his partner that their time together is more than satisfactory as it is. Suddenly, a rumbling is heard and an unseen flying creature rips the roof of the police car. Instead of reporting the incident, the duo decide to take a drive in their makeshift convertible. The creature flies across the night sky, and the theme song plays.

S1e18 stan getting mad2

Stan gets angry at Waddles.

In the following morning, at the Mystery Shack, Stan is taking a group of tourists through the woods to see various oddities, and Mabel takes advantage of the empty house by having a dance party with Waddles until her great uncle's return. When Stan finds the girl lying with her pet on the floor, he makes a sarcastic remark about her being weird, and the two mock Dipper's behavior in comparison with Mabel's. Next, Waddles proceeds to chew on Stan's pant leg, thus ripping it. This makes Stan annoyed, so he tries to send him outside, but Mabel scolds the old man for this proposal and walks away with her pig.

S1e18 camera trip wires

The trap to get a picture of the creature.

Meanwhile, Dipper and Soos are preparing to investigate the mysterious creature that had ripped off the police officers' roof, thought to be hiding in the woods. They prepare a trap involving the beast taking a piece of meat and subsequently activating cameras so that Dipper and Soos could obtain a picture of it. Back at the Shack, Mabel sees a commercial for a baby carrier that is also advertised to carry pigs, and she decides to get one for Waddles, and mistakenly trusts her reluctant, irresponsible, great uncle Stan to watch her pet.

S1e18 Soos ruins the photo

Soos barges in as Dipper develops the film.

Dipper and Soos soon return from their monster hunt, and Dipper volunteers to develop the film from their photos while Soos makes nachos in honor of their prevalence. While Dipper anxiously works to find a good picture of the beast and comes close to successfully revealing its existence, Soos instantly ruins the one good shot when he barges into the room to joke about eating all the nachos. The open door exposes the film to bright light, destroying the image. Dipper is upset and suggests that Soos, who claims to have been extremely excited by the nachos, should be more careful as he doubts that they will have another opportunity to photograph the creature.

S1e18 Waddles is taken

The creature, revealed to be a pterodactyl, flies off with Waddles.

Simultaneously, Stan guides a group of tourists through the Shack and makes no effort whatsoever to keep an eye on Waddles. However, he and his customers soon cross paths with the animal as they learn that Waddles has eaten Stan's fake unicorn made of corn (aka "cornicorn"). Disgusted by Stan's lies, the tourists storm off, and Stan angrily puts the pig outside as punishment, but mostly to avoid any other potential losses of profit. Despite his initial derision of his niece's warnings, Stan is shocked when the same beast Dipper and Soos are hunting, a dinosaur, captures and flies away with Waddles.

S1e18 Punch! Punch!

Stan lies about trying to fight off the pterodactyl.

Dipper and Soos, who have caught a glimpse of the flying beast through the upstairs window, rush outside to learn of the strange occurrence, and Mabel returns from her errand to be informed of her pig's fate after an initial silence. Stan twists his actual actions of leaving Waddles outside into a fantasy situation of the pterodactyl breaking into the living room, thereby interrupting Stan nursing the pig and snatching him out of Stan's arms. Enraged, Stan proceeds to describe him fighting off the creature, albeit without success. Mabel is heartbroken, but Dipper protectively intervenes and offers to help retrieve Waddles and Soos joyously complies. Stan expresses doubt at first and suggests they relax, but the others convince him to come along.

S1e18 Can't take a hint

Aided by Old Man McGucket, the group enter the mine.

The gang prepares Soos' pick-up truck for the big mission, and Dipper confides his disbelief in Soos' abilities on such a risky adventure after the man-child nearly runs his head over. Mabel agrees and tells her brother to let him down easily, but, Soos' enthusiasm renders Dipper unable to hurt his friend's feelings. Thus, the four follow the trail of yarn left behind to an abandoned church in the middle of the woods, where they meet Old Man McGucket, who tells them that he watched the creature enter the abandoned mines. They opt to go in, albeit with more opposition from Stan, and Old Man McGucket comes with to tell "weird, personal stories."

S1e18 dinosaurs

Dinosaurs trapped in tree sap.

Within the depths of the mine, the group discovers various Jurassic plants and find various dinosaurs trapped in melting sap, which they deduce to be the beasts' method of survival. Most of them see the area as a danger zone, but Stan sees it as a unique business opportunity and envisions a theme park. However, he accidentally divulges the fact that he left Waddles outside unattended; this pushes Mabel over the edge, and she decides to never speak to her insensitive grunkle again. Soos tries to prevent them from arguing by remaining optimistic though his efforts prove ineffective when he ravels the yarn back up-- thus ending the clear-cut path-- and accidentally breaks their lantern. Dipper grows to a level of anger equal to his sister, and he and Soos start to fight as Mabel and Stan's conflict escalates.

S1e18 The creature found us

The pterodactyl encounters the group.

Old Man McGucket interrupts to say that he fixed the lantern, but he finds the pterodactyl standing behind him. He instructs the others not to make any sudden movements or loud noises, though he himself does both and causes the dinosaur to chase after them. They then try in vain to formulate a plan of escape, though their arguing hinders them from accomplishing this. Mabel hears Waddles from a nearby nest and races down a set of rickety old train tracks to get him, and the boys closely follow her. She has only a brief moment to celebrate the reunion before the pterodactyl returns and frightens Waddles, who runs into Stan and makes both of them fall into the pits below and into a mud puddle.

S1e18 The newborn is adorable

The baby pterodactyl eats McGucket.

As Dipper, Mabel, Soos, and McGucket see the pterodactyl's egg hatch, they panic when it eats the old man. Down below, Stan tries to use Waddles as bait to distract the beast while he escapes, but he soon realizes how much the pig means to Mabel, and how much Mabel means to him, and warms up to the animal. He takes his actions a step further and acts as a human shield for Waddles and fights off the creature in a manner similar to his previously untrue tale. Dipper and Soos make up when Soos admits to and apologizes for his mistakes, and Dipper and Mabel take his advice to follow him in a straight line, as a dinosaur's eyes are "so far apart" that it cannot see directly in front of itself, and the plan succeeds, proving Soos does not ruin everything.

S1e18 Stab you

"From heck's heart, I stab at thee!" --Stan

Soon, the trio sees Stan heroically fighting the adult dinosaur, and he even goes to punch the menace in the face as he had previously said he did. Stan's blows are powerful enough to literally send the pterodactyl falling to the ground, and the others congratulate him, with Mabel and Stan bonding over Mabel's pet pig. But, the moment ends as quickly as it started, for the pterodactyl manages to climb back up and chase after the Pines and Soos. They run through the tunnels back to their starting point and, since their rope is broken, try to use a geyser to shoot themselves to the surface. To speed up the escape, Soos punches the geyser to activate it and the group finds itself wet and in various random places.

S1e18 That thing destroyed my vest!

The group returns home.

The rear of the church collapses into the hole, and the Pines exit the building. Mabel and Stan talk about the happenings, and play around with tree sap and ultimately get stuck. On the way home, Mabel, Stan, and Waddles sleep in the back seat, and Dipper and Soos are ecstatic to find an authentic dinosaur tooth in Dipper's destroyed vest. Dipper agrees to Soos' proposed nickname, the "Pterodactyl Bros," and Soos rejoices when he correctly pronounces "pterodactyl." The two disregard any danger of the other dinosaurs reawakening, and McGucket is shown to have escaped the baby pterodactyl and the mine by eating his way out of the former's stomach with his musical spoons. In the credits, Dipper and Soos watch an infomercial for "arm pants," which Soos was naive enough to order, and Mabel, Stan, and Waddles play a game of poker in which none of them follow the rules.


Production notes[]

See also: List of allusions and List of goofs.

Character revelations[]

  • According to Mabel, Dipper kisses a pillow that has Wendy's face drawn on it.
  • Dipper knows how to develop film using the analog process.
  • Soos doesn't know how to pronounce pterodactyl.
  • Stan is irresponsible for an animal, including Waddles.
  • Waddles has a fear of the following predators:
    • Alligators
    • Bobcats
    • Coyotes
    • Dingoes
    • Golden Eagles
    • Mountain Lions
    • Pterodactyls
  • The pterodactyls have survived for 65 million years due to being frozen solid. The heat melts them loose every summer.
  • Fiddleford McGucket married a raccoon.
  • Soos is clumsy.

Series continuity[]


  • Viewership: This episode was watched by 3.5 million viewers on its premiere night.[3]
  • The concept of "the real monster is you" by using a mirror as part of the Mystery Shack's exhibit was also the subject of Alex Hirsch's art piece for Disney's "Some Kind of Monster" art show.[4]
    • Alex Hirsch was also shocked to find a similar attraction at "Confusion Hill" and was amused to see how well they had picked up on that kind of corny tourist trap humor.[5]
  • When Soos opens the door, only the print is ruined. Dipper could have printed another photo from the negative.
  • Stan lands in a coffin after escaping the abandoned mines.
  • The articles Dipper collected on the mysterious creature covered stories about the patrol car's roof getting ripped off, sheep snatching, and miners going missing after uncovering the network of caverns.
  • According to the Season 1 SoundCloud soundtrack, this episode was originally/tentatively titled "Dino Cave Mystery."
  • Originally, Grunkle Stan was going to intentionally get Waddles caught by the pterodactyl but this idea was scrapped for making Stan seem too "unsympathetic".
  • There is a book based on this and "The Time Traveler's Pig" called "Once Upon a Swine."
  • The episode's title is a reference to the film franchise The Land Before Time.
  • The scene where the pterodactyl steals Waddles after Stan attempts to save him may be a subtle reference to the beginning of Super Metroid, where Samus attempts to save the last Metroid from Ridley, but fails and Ridley escapes with the Baby.
  • It's unknown how the pterodactyl poked Stan's eyes since he was wearing glasses which is impossible in real life.
  • Alonso Ramirez storyboarded the Pterodactyl scenes and they were regarded by Alex as being some of the best he had ever seen. But when the episode was animated, it wasn't as good given it was "feature quality storyboarding with TV quality animation." Knowing the scene could look better, Alex got legendary animator James Baxter to come in and redo the animation for those scenes to reflect the quality of Alonso's storyboards.[6]
  • Being a fan of the show, Baxter agreed to do it for a discounted amount.
  • When Mabel is reunited with Waddles, the animation is similar to the clip of Mabel and Waddles in the intro.
  • Matt Danner 6

    Storyboard for a deleted Thundercats parody scene

    In 2023, near the 10 year anniversary of the episode's premiere, storyboard artist Matt Danner shared original storyboards from Land Before Swine, including one from a previously unknown deleted scene.[7][8]
  • In a response, he explained the context, "Soos wanted to be “Dino Bros” with Dipper like his favorite Thundercats-style show. This was a cut-away to an 80s animated spoof."[9]


S1e18 ever notice stan's tattoo?
  • During Stan's fantasy sequence we see his back turned and his bare back. Where his burn mark should be is instead "OLHV," which has a remarkably similar shape to his actual burn mark. Once decoded using the Caesar cipher it says, "LIES."
    S1e18 That's my girl
  • The cryptogram in the end credits reads "9-20 23-15-18-11-19 6-15-18 16-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-7-19!" Once decoded, it reads, "IT WORKS FOR PIIIIIIIIIIIIIIIIIGS!"


Click here to view the image gallery for Land Before Swine.
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  1. Brad Breeck (March 29, 2015). GF E122 Pig Dance Party Alt 1 (audio file). SoundCloud. Retrieved on April 5, 2015.
  2. 2.0 2.1 2.2 2.3 June Programming Highlights (HTML).
  3. 3.0 3.1 Kondolojy, Amanda (July 1, 2013). Friday Cable Ratings (broken link). TV by the Numbers. Archived from the original on July 5, 2013. Retrieved on November 14, 2020.
  4. From Disney's Some Kind of Monster Gallery. Tumblr (October 23, 2012). Archived from the original on November 14, 2020.
  5. Gencarelli, Mike (April 12, 2013). Alex Hirsch talks about recent trip to get inspiration for Disney’s “Gravity Falls”. Archived from the original on November 14, 2020.

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V - E - H - D Gravity Falls episodes
Season one 1. Tourist Trapped | 2. The Legend of the Gobblewonker | 3. Headhunters | 4. The Hand That Rocks the Mabel | 5. The Inconveniencing | 6. Dipper vs. Manliness | 7. Double Dipper | 8. Irrational Treasure | 9. The Time Traveler's Pig | 10. Fight Fighters | 11. Little Dipper | 12. Summerween | 13. Boss Mabel | 14. Bottomless Pit! | 15. The Deep End | 16. Carpet Diem | 17. Boyz Crazy | 18. Land Before Swine | 19. Dreamscaperers | 20. Gideon Rises
Season two 21. Scary-oke | 22. Into the Bunker | 23. The Golf War | 24. Sock Opera | 25. Soos and the Real Girl | 26. Little Gift Shop of Horrors | 27. Society of the Blind Eye | 28. Blendin's Game | 29. The Love God | 30. Northwest Mansion Mystery | 31. Not What He Seems | 32. A Tale of Two Stans | 33. Dungeons, Dungeons, and More Dungeons | 34. The Stanchurian Candidate | 35. The Last Mabelcorn | 36. Roadside Attraction | 37. Dipper and Mabel vs. the Future | 38. Weirdmageddon Part 1 | 39. Weirdmageddon 2: Escape From Reality | 40-41. Weirdmageddon 3: Take Back The Falls
Animated shorts Candy Monster | Stan's Tattoo | Mailbox | Lefty | Tooth | The Hide-Behind | Mabel's Guide to Dating | Mabel's Guide to Stickers | Mabel's Guide to Fashion | Mabel's Guide to Color | Mabel's Guide to Art | Fixin' It with Soos: Golf Cart | Fixin' It with Soos: Cuckoo Clock | TV Shorts 1 | TV Shorts 2 | Mabel's Scrapbook: Heist Movie | Mabel's Scrapbook: Petting Zoo
Lists Allusions | Cryptograms | Goofs | International versions
Related Media Unaired pilot | Next Time On Gravity Falls | Creature in the Closet | Creepy Letters from Lil' Gideon | Gravity Falls Journal 3 Infomercial | Gravity Falls: Six Strange Tales | Gravity Falls: Even Stranger | The Mystery in Gravity Falls | "Old Man" McGucket's Conspiracy Corner Marathon | Between the Pines | Soos' Stan Fiction | Soos Cast | Gravity Falls – Tug-n’-Talk Shmebulock | One Crazy Summer: A Look Back at Gravity Falls | Call Me Mabel