I wasn't carrying a piece—in the Supreme Court, they use metal detectors at the entrance because some politically wired judge complained about the dangerous radicals who might invade his courtroom and shoot it out with the guards. This happens in the Supreme Court about every other century, but you can't be too careful. On the other hand, right across the street in the Family Court, the average litigant carries some kind of weapon and violence is an everyday thing, but there's no metal detectors. That's New York.In high security areas, such as airports, people will have to go through a metal detector before continuing on. A few certain things can happen:
— Burke, Strega
- The person going through the detector or security personnel end up doing something silly as a result of inattentiveness. For instance, a person sets off a detector, repeatedly tries to get rid of all their metal possessions, is repeatedly searched, and a comically long time passes until they remember some totally innocent and inconspicuous metal object somewhere on their person or a metal implant in their body.
- Rather than being a silly mistake, it's an illustration of there being something weird about the character, as they turn out not to be carrying any metal objects despite setting off the detector, and security personnel and possibly the person themselves become increasingly confused as metal is detected where there is absolutely no good reason for there to be any, hinting that something weird is going on.
- Two people walk through a metal detector in quick succession, and the obviously wrong one gets hassled by security. Say, a cartoonish shady character in sunglasses with lots of suspicious weapon-shaped lumps visible under their long-coat and a ticking suit-case walks through, followed closely by a kind-looking little old lady with grey hair. The security personnel ignore the former, and throw the latter to the ground in a panic, possibly while screaming for backup. Hilarity Ensues.
- If an X-Ray machine is used, it may show a Funny X-Ray on a character and/or his luggage.
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- An Australian ad for underwear had some female security guards repeatedly setting off the metal detector with a remote in order to get a handsome man to strip down to his underpants.
- One commercial for Crash Bandicoot 2: Cortex Strikes Back as Crash (Actually a man in a Crash costume) going past an airport metal detector, and repeatedly setting it off. At the end, he turns his back and we see he's wearing a Jet Pack.
Anime and Manga
- At one point in Death Note, part of the Kira Investigation Squad ends up having to take their pants off to get through a metal detector.
- In one episode of Golgo 13, Golgo has to go through a metal detector with his gun. He gets a toy pistol made entirely out of plastic for the job, (It was mentioned that even with a special - and probably fictitious - type of plastic, the firing pin would only be good for one shot, but then again Golgo only needs one shot) and walked through with the bullet hidden in his mouth, where any investigator would assume the detector is sensing some dental work.
- Seitokai Yakuindomo: When Nene Todoroki goes through one and sets it off, she thinks it's her glasses. However, the second time sets it off, and she realizes what's causing it; her vibrator.
- One Lupin III tv movie answered the question of how Goemon gets his beloved sword Zantetsuken through the security's metal detector. He doesn't... he checks it with the rest of the luggage. The samurai is visibly nervous about its safety until he picks it up from the baggage conveyor belt.
- In an issue of The Defenders, when Dr. Strange passes through a metal detector in his secret ID the Eye of Agamotto sets it off. He habitually kept it invisible but forgot that his spell didn't work on machines. He used a quick illusion spell to make it look like a St. Christopher medal.
- In issue 22 v.1 of his first series, Cable goes through metal detectors at the airport and gets stopped by security, only for him to explain it's his keys. This coming from a man known to pack heat and has a metal arm. Domino points this out and Cable replies that he'd never "bring a gun through airport security. At least not a metal one..."
- Later in the same issue, Shatterstar tries to take his swords through airport security, but the security guard confiscates them until he leaves. The TSA was strict even back then.
- Wolverine has run into this a few times. He usually carries forged documentation indicating that he is a war veteran with metal implants in his bonesnote . In issue #50 of his first self-titled series, he was made to strip down to his boxers, and finally put his arm inside the X-ray to show his bones and claws...and the latter ended up grounding him because they were over the permissible length.
- Invoked for tragedy in the X-23: Innocence Lost miniseries, when the wife of a political figure holding a rally tells the security people to wave a pre-teen girl with crutches and metal leg braces through the checkpoint. She, her husband, her kids, and about 40 others pay for that act of kindness with their lives.
- In the Iron Man fic Check Point, Tony and Pepper want to fly on a public airplane so that Tony can get closer to the common people. Unfortunately, Tony forgot that his arc reactor can set off metal detectors.
- This fanart: what happens when a Naruto jounin goes through security? Hammerspace has its disadvantages.
- Die Hard: Somehow, a Glock 7 doesn't show up on your airport metal detectors. Justified in the first one, the audience doesn't see him carry the gun into the airport, they just see him on the plane with one, since he is a police officer. Under certain circumstances (possibly under even more circumstances back in the 80s) on and off duty police officers may carry weapons on a plane, though usually they have to leave them with the pilot.
- The 70's dystopian film Class Of 86 has these outside of a school as visual short hand of how bad society has fallen.
- Neo and Trinity go through one in the first The Matrix movie. Security guard asks Neo to open his coat... and More Dakka is unleashed.
- Moonraker: when Jaws goes through an airport metal detector his metal teeth set it off. When a guard tries to stop him, Jaws just grins at him and the terrified guard lets him pass.
- In Penn & Teller Get Killed, Penn & Teller play tricks on each other throughout the film. At an airport Teller does stuff to make Penn look guilty at the metal detector. Link.
- In A Fish Called Wanda Kevin Kline's character gets a gun past an airport metal detector by tossing it around the outside as he passes through. Riiiiight...
- In Wallace & Gromit: A Matter of Loaf and Death Gromit installs one of these (based on a design in "Electronic Surveillance for Dogs") to catch out Piella's murderous intentions toward Wallace. The machine works but fails to convince Wallace.
- The Golden Child: Chandler Jarrell needs to get the Ajanti Dagger through an airport metal detector in Tibet. He slips the Dagger into the pocket of another passenger, then the unwitting dupe goes through and the alarm sounds. Chandler pretends to be a law enforcement official, "confiscates" the Dagger on the other side of the detector and continues on his way.
- Parodied (of course) in Airplane II: The Sequel, when a bunch of terrorist-y thugs stroll through the airport metal detector carrying huge weapons without setting off the detector, but then an elderly woman sets it off and gets thrown up against the wall and searched.
- In the movie In the Line of Fire, the assassin has to pass a metal detector to reach the president. He gets through by making the bulk of the gun out of non-metallic materials and concealing the metallic parts (The bullets and some springs) inside innocuous metallic items that he handed over to security before walking through the detector and collected on the other side (A pen and a key chain).
- In The Fugitive, the Marshalls bypass the metal detectors in the Cook County Jail building by flashing their badges.
- This Is Spinal Tap: the scene with the zucchini in tinfoil.
- Happens twice in Léon a.k.a. The Professional:
- When Mathilda needs to get past the metal detector at the DEA building, she hides a weapon in the take out food bags she is delivering.
- When Leon goes to rescue Mathilda from the DEA building he passes through the metal detector. The arsenal he's carrying sets it off, but he punches out the guard before the guard can do anything about it.
- X-Men Film Series:
- X-Men: The X-Men pass through one of these while entering a museum. Wolverine, naturally, sets it off, and then destroys it.
- The Wolverine:
- When Logan is scanned by Ichirō's security guards, he explains away the constant beeping of their devices as his hip replacement.
- Logan requests a pat-down rather than have to deal with the inevitable difficulties that would arise from trying to go through one of these at the airport.
- X-Men: Days of Future Past: There is one on the White House lawn; it beeps when Xavier passes through because of his wheelchair, and when it's Wolverine's turn... nothing happens because his 1973 body is adamantium-free.
- In Police Academy 5: Assignment: Miami Beach, the team is traveling via commercial airline-including the insufferable Capt. Harris and his lackey, Proctor. Ventriloquist trickster Larvelle Jones (Michael Winslow) throws his voice to imitate a metal detector alarm every time Harris passes through it. Harris obligingly surrenders metal from his body, including keys, wallet, watch, swagger stick, belt buckle (this last with a bit of overenthusiastic help from Proctor), (although conspicuously forgetting badge, coat buttons, and officer's hat -he was traveling in uniform...well, Rule of Funny) but the alarm continues to "go off". Then a distraction causes him to forget to use his hands to hold up his now beltless pants...
- In She's Out of My League, a perverted airport security guard sets off the metal detector when pretty women pass through it to force them to undress.
- In Nick of Time, Gene Watson is blackmailed into a plot to assassinate the Governor of California. At one point he finds himself having to go through a security checkpoint while carrying a loaded gun. The security guard turns off the metal detector while checking Watson, demonstrating that the plot is wider-reaching than it initially appeared.
- In Escape from Alcatraz, Frank Morris uses misdirection to steal a wedge from the machine workshop. He hides it in his shoe and puts a file in his shirt pocket, so that when he sets off the metal detector, the guards confiscate the file and let him through.
- In The Dark Knight Rises, Bane enters the stock exchange by passing through a metal detector while disguised as a deliveryman. The metal in his mask sets off the detector, so the security guards make Bane take off his helmet....which he promptly turns into a deadly weapon to overpower all of them in a matter of seconds.
- In the Mel Brooks film High Anxiety, a pastiche of Alfred Hitchcock films, the protagonists get through airport security despite being wanted by the police, and one of them carrying a gun, by posing as an old Jewish couple and arguing so loudly and obnoxiously that security agents just want to get rid of them.
- The X-Files: Agent Scully going through airport security and triggers the metal detector. This leads to the discovery of the computer chip implanted in her during her abduction.
- In Terminator: The Sarah Connor Chronicles when John & Cameron go to their new school after traveling from 1997 to 2007, they encounter in-school metal detectors for the first time. Cameron (being a Terminator) naturally sets off the detector. John says that she's his sister and she has a metal plate in her head from a childhood injury, a story helped by Cameron's Uncanny Valley nature. They lucked out when the security officer only scanned her head with his hand scanner, instead of scanning elsewhere.
- In Leverage, a corrupt lawyer is delayed by stuffing him full of keys in all of his various pockets before he can enter the court house security check.
- In the Airwolf episode "Flight #093 is Missing", Caitlin is going through security at an airport and has to take a number of wedding presents (for her sister's wedding) out of her bag. "She's from Texas" is Stringfellow's response.
- Shows up in Firefly; it's linked to a force field, so a socialite is stopped until he surrenders his derringer.
- In Shadowrun metal detectors are a security device that runners must be wary of. They're a standard feature in secured buildings and can detect the weapons and other metal devices runners often use.
- The walkthrough metal detector from GURPS: High-Tech gives a variable bonus to the operator's Search skill. The description notes that security teams don't usually have the sensitivity turned all the way up because it can end up catching even tiny bits of metal and lead to long lines.
- Left 4 Dead: the Dead Air level has these. Given the human characters are carrying guns, you best avoid these. If you don't, be prepared for a swarm a zombies to come rushing at you and your friends due to being attracted by the high pitched alarm. The port to the sequel isn't as merciful: it's mandatory to go through the detector, as there are now fences that funnel passage to it.
- In Second Sight, you are able to bypass one (since your Invisibility power is actually a Charm Person ability it isn't much use against machines) by using telekinesis to manipulate a loose connection (although anyone who didn't hear a conversation between two guards would think using telekinesis on it just stops it working for some reason).
- In Hitman 2: Silent Assassin you have to dress up as a fireman and launch a fire alarm to enter through one of these; those fireman's axes have a lot of secondary uses...
- In Hitman: Blood Money, your final mission requires you to infiltrate the White House as part of a tour-group. The main challenge is the metal-detector/X-ray checkpoint. There's a number of ways to smuggle weapons inside - your Sniper Rifle can be upgraded with a special foil-covered Attache Case which can glide through the X-Ray, but you can also smuggle in your trusty Silverballers - by slipping them into the luggage of a middle-aged woman. When she gets nabbed at the checkpoint, the guns are confiscated, and you can then retrieve them from the lock-up later (after you've 'borrowed' a Marine Uniform, preferably.)
- Hotel in Hitman: Contracts has a few, including the door. So much for being given a cool sniper rifle. Though it's possible to smuggle it in, and it's possible to smuggle the bomb out (it's a mission objective). A security uniform helps (they are supposed to be armed, of course).
- Thanks to Artificial Stupidity, the easiest way to get things through this metal detector is to put them down, walk through without setting it off... and then pick them up again from across the rope barrier.
- You have to avoid these in the airport from Splinter Cell Pandora Tomorrow's final level, because Sam Fisher carries lots of metal gadgets and weapons. Naturally, they set off an alarm if you pass through them.
- In Police Quest II, just make sure to show your police ID when going through the airport metal detector.
- The Intensive Treatment Unit in Batman: Arkham Asylum uses some sort of high-tech x-ray chamber, but the Arkham Mansion has a Metal Detector Checkpoint on one side of a corridor intersection. Aside from alerting some gun-toting Mooks that you're here, it serves no purpose at all.
- Resident Evil – Code: Veronica has one of these that requires you to put your items in a box that isn't linked to the normal item boxes. Don't forget that empty fire extinguisher.
- Resident Evil 6: Leon and Helena go through one with their firearms on them. This sounds the alarm, which attracts the zombies to their position. Oddly enough, the corridor has two detectors, one at each end. While you can slide over the counter and avoid the second one, the first checkpoint has an Insurmountable Waist-High Fence in place to force you into the setpiece.
- There's a puzzle in Grim Fandango which involves a security checkpoint at a cat race track. The goal is not to actually get there, but to get into the back room with the police officer Carla, who has a crush on Manny and therefore would like to strip-search him. Unluckily for her, she's only supposed to do this if normal search doesn't give any results, and Manny doesn't set off the detector when his inventory items are removed. The solution is to have Manny drink some liqueur with metal flakes in it right before walking through the metal detector. Hilarity ensues.
- One level in Dead to Rights has two Mooks standing on the other side of a metal detector. Given the usual number of firearms on Jack Slate's person, walking through the metal detector will alert the guards—provided you haven't killed them already. While you're in the next room over, the metal detector will go off several times in a row, a subtle clue that a very deadly ambush is waiting for you when you return into the metal detector room.
- Vexxarr has fun with a standard airport security guy checking an armored robot for random metal objects.
- Monica of Wapsi Square has a bit of a problem with the metal detector at the airport. She made sure she had nothing metal on her person only to set off the detector with the underwire in her bra.
- Lothar in Exterminatus Now triggers these... what they expected from a cyborg with three appendages and part of the head quite visibly not his own?
- Sinfest has Thought Detector Checkpoint. In hell.
- The example from The Matrix above is parodied in xkcd's tribute to the 10th anniversary of the film's release. Security guard asks Neo open his coat, which he does... and the security guard feels disgusted.
- In A Miracle of Science, the main characters find themselves needing to stealthily make their way to Venus, where Martian technology (and thus, Martians) are banned. An elaborate hi-tech detector plays out this trope. The drama is short lived— it turns out only Martian technology can reliably detect Martian technology. Specifically artificially intelligent Martian technology, so the detector is itself a Martian. They ask it nicely not to alarm on them. Somebody didn't think THAT one through.
- A RWBY Chibi skit has Cinder, Mercury and Emerald attempt to pass through a metal detector. Cinder and Emerald passed, but Mercury gets stuck with the security due to his robot legs. Eventually the security puts him through an X-ray scanner.
- The Simpsons: in the episode in which Homer got a handgun, he took Marge to an NRA meeting. Kearney tried to go through without a gun, was turned back, handed a gun, and made to go through again to ensure that the detector beeped.
- In Rocko's Modern Life, Rocko is stripped down to his underwear after setting off the metal detector. This after several characters with metal in their persons (including a chainsaw-wielding maniac and a Tin Man) go through without the machine going off.
- This Cartoon Network promo for Secret Squirrel.
- Phineas and Ferb: implied when Major Monogram mentions having a lot of metals in him by Dr Doofenshmirtz. It is unclear was Monogram Metaphorgotten or serious.