"To be fair, it might not be two blokes with a plank of wood and some string, it could be aliens. But if it is... where did they get the plank of wood and the string from?"Crop circles are large geometric patterns that appear in fields of crops, usually corn (because cornfields are creepy), and are created by flattening the stalks in such a way that each individual one remains undamaged. They are usually presented as being supernatural in origin, with the most common explanation being that they were created by extraterrestrials, although the reasons behind why aliens visiting Earth would want to do such a thing varies. This area of the paranormal/hoax/delusion is a staple of publications such as Fortean Times. In fiction, the question of who's going to pay for the vandalized crops never seems to arise. Not to be confused with crop rotation. Compare/contrast Aliens Steal Cattle, a much more comedic way for aliens to attack a farm.
— Harry Hill's TV Burp, on Danny Dyer: I Believe in UFOs
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Anime and Manga
- According to Tony from Axis Powers Hetalia, they're the result of aliens playing a Photoshop-esque game.
- In Jo Jos Bizarre Adventure Diamond Is Unbreakable, Josuke and Okuyasu see a crop circle while walking to school and, to their surprise, find a young man sleeping under the cut grass who claims to be an alien and says he's responsible for the circle.
- In a Duck comic, Donald Duck and Daisy visit Ireland and discover crop circles are created by dancing fairies.
- In a Zits strip, Pierce thinks aliens are leaving crop circles in his hair in an attempt to communicate with him. It turns out just to be bed head.
- One of The X-Files comic has Mulder go to a Crop Circle in progress and discovers a kid with a board and a flashlight flattening the stalks. The kid gets away, and may not have actually existed.
- In Wild's End the survivors wander into a gigantic circular crop circle.
- In The Bird Feeder #55, "Grass Circles," Gramps is blamed for some grass circles created by Exotic.
- The intelligent ants of Phase IV did this while it was still an Unbuilt Trope.
- The movie Signs features a few of these, as it's a movie about aliens.
- Parodied in Scary Movie 3. The aliens forgo tracing intricate symbols and simply draw a huge arrow with the words "ATTACK HERE". The aliens are not, in fact, here to invade, but to stop the Sadako Expy who lives underneath the farmhouse pointed to by the arrow.
- Discworld: In Lords and Ladies, the impending visitation of the elves causes crop circles to spontaneously generate in everything from an herb garden to a handful of seeds sprouting in a damp cloth and even Archchancellor Ridcully's "crop" of hair.
- In Martians in Maggody, the appearance of crop circles in moonshiner Raz Buchanon's field draws a horde of UFO fanatics to the little Arkansas town, eager to photograph (for $10 a head, payable to a grinning Raz) this "inexplicable" phenomenon.
- According to Fantastic Beasts and Where to Find Them, crop circles are caused by Mooncalfs doing their mating dance in fields of wheat.
- In one of the books in the Elemental Masters series, it's mentioned that while a Muggle can't see any of the Elementals, they can see the effects, among which are crop circles.
- In the Temps short story "Playing Safe" by Marcus Rowland, a paranorm working for the secret service jokes to his boss that he tells his old DPR friends he's with the Department of Agriculture, in the crop circle division. After he completely screws up his mission, he is indeed put on crop circle investigations ... and told it's no good turning up after the event, he needs to camp out in fields until he sees one happen.
- Crop circles appear in the Past Doctor Adventures novel The Algebra of Ice, except they're not circles, since the conceptual aliens attempting to break through are based on rational mathematical concepts. The Doctor is able to put a Spanner in the Works by adding an actual circle to their nice straight lines, which puts the irrational pi into the equations.
Live Action Television
- Dark Skies: they build a crop circle to try to lure the aliens into landing, so they could capture them. (Trivia: this episode came out very shortly after the guys who claimed to have started the crop circle phenomenon revealed themselves as hoaxers.)
- In the Doctor Who episode "Let's Kill Hitler", Amy and Rory contact the Doctor by making a crop circle of his name when he wasn't answering his phone. Which does summon the Doctor with an exasperated "Really?!" while holding up an aerial picture in the following day's newspaper. Rory studies it and points out a line they didn't make and look up to see a car coming right at them.
- The BBC One ident "Lawn Mowers" (one of the Circles series) has some Stepford Suburbia housewives mowing their lawns; an overhead shot shows they've created an alien symbol in the grass. Interestingly, it was one of the idents interrupted by the Doctor in pre-publicity for "The Day of the Doctor", and the symbol does look vaguely Gallifreyan.
- In an episode of Drop the Dead Donkey Damien is in the newsroom when Dave takes a phone call, covers the mouthpiece with his hand and shouts across to him, "It's the farmer on the phone, wants to know how big you want him to make the crop circles."
- An episode of Eureka has several people watch a bad B-movie about an alien invasion. Shortly after that, one of them disappears only to be found in field surrounded by crop circles. It's quickly discovered that he used a log to make the circle, having been affected by a "psycho-beam" while watching the movie.
- In the episode "Vanished" of NCIS the team investigates crop circles and discovers one was caused by a helicopter and the others by the murderers attempting to cover up their crime.
- The Neighbors: Everyone in Hidden Hills, a perfect suburban community, is an alien. Jackie makes one of these Crop Circles things in a field when she is upset.
- Supernatural "Clap Your Hands If You Believe...": Sam and Dean investigate a series of people disappearing in flashes of light and while examining a crop circle left at one of the abduction sites, Dean himself is taken. The Fair Folk are behind the abductions and are encouraging the idea of aliens to divert suspicion from themselves.
- The X-Files:
- In episode "Genderbender", there were human-looking aliens residing on Earth in a community that resembled Amish lifestyle with sect-like vibe. When they leave at the end of the episode, Mulder and Scully come to a large Crop Circle in the field. It's implied it's a print of their spaceship.
- "all things": Agent Mulder plans a trip to England to investigate a case of highly complex formations of Crop Circles that keep appearing in a pattern. Agent Scully is of course not interested in tracking down some sneaky farmers who happened to ace geometry in high school.
- Kaamelott has them offscreen when Arthur finds out his wife and mother-in-law went picnicking in one (the day after they did the same in a Standing Stone Circle and broke out in tattoo-like markings). Strangely, Arthur and Leodagan appear aware of what causes them.
Arthur and Leodagan: You sat right in the middle of a Crop Circle!
Seli: A what circle?
Guenievre: We thought the peasants made it to look pretty.
Leodagan: Of course! It's not like they have anything better to do than ruin crops by making big circles in the middle.
Seli: Well where'd they come from, the sky?
Arthur: Look, it's simple, tomorrow you build a stone wall around every field of wheat that has a crop circle.
- Appear in an episode of Midsomer Murders, with the murder victims found with blackened fingers and wounds around their kidneys. The circles were made by the local UFO believer who also dumped an accidentally-electrocuted thief in the middle, starting the episode. He just wanted other people to accept the existence of aliens (didn't stop him from ending up in one as a corpse).
- The outer cover◊ of Led Zeppelin's Box Set shows the shadow of a zeppelin passing over an elaborate set of crop circles, although on closer inspection the "cornfield" in which the circles have been cut looks suspiciously like a carpet.
- The DVD included in the special edition of Korn's CD, The Path Of Totality has the band performing live in a crop circle in the middle of a field. They did it as a homage to Pink Floyd's Live At Pompeii.
- In the 1990’s radio spoof ‘’The X Fools’’, Agent Smoulder and Sulky discover the crop circles are being created by a secret conspiracy of English nerds armed with rulers and string who call themselves Circle Jerks. They solve this problem by introducing them to the internet instead.
- In another episode, the agents rush over to a famous actor's house because they think he's being abducted by aliens, but he denies everything. Sulky realies he's lying from the crop circle burnt into his shag carpet.
- Crop Circles: Escape From Planet 3 is about a flying saucer creating crop circles and stealing cattle.
- In Spore, during the Space Stage, you can use Crop Circles to "communicate" with more primitive (meaning "not in space yet") species. There doesn't seem to be any real game effect, but they look cool.
- Crop circles can appear in farm fields in SimCity 3000 when UFO attacks occur.
- In Universe at War, Hierarchy Glyph Carvers can create crop circles by carving out glyphs in the ground (not necessarily in corn crops). These are actually "bar codes" which the orbiting motherships scan and drop/teleport in the appropriate buildings/walkers. If you see a crop circle in your area, chances are that a nuclear powered Humongous Mecha Base On Legs with lots of dakka is going to drop in and start blowing up stuff.
- Appears as an Easter egg in Metal Gear Solid 4.
- Grojband "Space Jammin'": A malfunctioning crop harvester runs rampant in the corn field that the band wanted to clear for a concert, accidentally creating a circle. A Flying Saucer promptly drops out of the sky. Apparently, the circle is a challenge to the aliens for a Battle of the Bands.
- One episode of Invader Zim has Dib job-shadowing a paranormal investigator who takes him out to investigate some crop circles. Dib quickly points out that they're caused by a cow which is rolling back and forth across the field.
- In the "Teed Off" episode of Rocko's Modern Life, Heffer is working as a groundskeeper in a golf course and he keeps making crop circles with his lawn mower. At the end of the episode, aliens look at the circles and ask "Who keeps writing this stuff?"
- The Alliance in Roswell Conspiracies: Aliens, Myths and Legends stages these in their efforts to keep people thinking the Roswell Conspiracy is real.
- On the "Cartman Gets an Anal Probe" episode of South Park, a report on alien sightings features a crop circle formation in the exact likeness of Cartman, who has been implanted with an alien probe.
Cartman: Hey! That looks just like... Tom Selleck.
- The Pixar Short "Unidentified Flying Mater" has Mater create crop circles shaped like tires.
- In the Spongebob Squarepants episode "Sandy's Rocket", one of the points Spongebob brings up about the existence of aliens is "Those mysterious circles that pop up in kelp fields overnight" and then freaks out when he notices a circle in the sand (which he made while pacing around Sandy) "AHH! There's one now!"
- Crop circles are usually made by farmers or others out to prank people. They take a board with a string, and stand on the board, moving it by the string, so that it flattens the cornstalks without breaking them. Or something like that. Note that crop circles' frequency of appearance closely follows the change in value of the crops.
- They have also caused several major law suits when the circle creator was not the farmer, these things frequently destroy tens of thousands of dollars worth of crops per glyph.
- Crop circle pranksters can fall victim to Poe's Law since many of the more ardent UFO conspiracy believers decide that the circle makers must have been possessed by the alien designers of the circles.
- In Tasmania and Australia, it's been found that wallabies were found as the culprit for a string of crop circles springing up. Turns out, when wallabies gorge themselves in the local poppy fields (grown legally as a medicinal crop), they get high and hop around in circles.
- Snow circles are a seasonal variation on crop circles.