History Main / OurDoorsAreDifferent

* [[https://www.marineinsight.com/marine-safety/watertight-doors-on-ships-a-general-overview/ Watertight doors]] on a sea ship can be expected to have ''at least'' six bolts and a complex locking mechanism ensuring that they are all engaged when the door is closed.

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* The Gringotts door in ''Literature/HarryPotter'' is an example of the doors being different in a fantasy, rather than [[ScienceFiction SF]], setting. So many parts move when the goblin unlocks it, that it's pretty much a door whose entire surface is its lock mechanism.
** The many, many locks are justified in this case, as Gringotts is supposed to be one of the safest and most secure places in the world. It's only right for such a place to practically hold a world record in how many locks, physical and magical, its vault doors have.

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* ''WesternAnimation/BuzzLightyearOfStarCommand'' has just about every type of high-tech door/hatch you could think of, plus the occasional doorknob.

* ''Film/Oblivion2013''. The Tet has a triangular entrance with three-triangular doors, as befits its triangular shape. [[spoiler:These doors are only shown after TheReveal that the Tet is alien spacecraft and not a human-built space station, so the trope is used to accentuate its alien design.]]

* ''Film/Oblivion2013''. The Tet as shown when doing a MegaMawManouvre. [[spoiler:This is only shown after TheReveal that the Tet is alien spacecraft and not a human-built space station, so the trope is used to accentuate its alien design.]]

* ''Film/ForbiddenPlanet'': The doors left by the Krell had two of these traits, "no right angles" (a flattened pentagon, leading to speculation that the Krell were StarfishAliens) and "converging from all directions".

* Used for ZeeRust in ''Plan 7 of 9 from Outer Space'' when a sliding door activated by infra-red sensor is presented as a 'miracle of science'.

* Becomes apparent in ''[[VideoGame/Doom2016 Doom 2016's]]'' [[LevelEditor SnapMap Mode]] where you can choose the type of door connecting two rooms, such as ascending vertically, splitting in two, splitting in four and more, but none that actually swing to the side via a hinge and opened with a handle. This may be a MythologyGag, as the original [=IdTech=] GameEngine that powered the original ''VideoGame/{{Doom}}'' and its sequel was incapable of making doors swing open any other way. (They'd figured out how to do it by the time ''VideoGame/{{Hexen}}'' came out a couple of years later.)

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* All facilities in the multi-fandom ''FanFic/GameOver'' series have metal doors that part down the middle and slide open and shut with a hydralic hiss. However, they ''are'' rectangular at least.

* ''Franchise/StarTrek'': Used mildly on Federation vessels. The doors are automated and come with a trademarked sound, but are otherwise normal ([[ScriptReadingDoors except for knowing when they're needed]]). Played straight with ''[[Series/StarTrekDeepSpaceNine Deep Space Nine]]'', with lots of weirdly shaped doors. The creators went overboard with the automated doors. Almost every alien society has them, no matter what their technological level or whether there's actually an energy source available to power them. It should be noted that reality still writes the plot, as not a single door goes down into the floor, since the soundstage floor can't really be altered.

Note that while the first two traits are [[TropesAreNotBad justifiable]] in most cases, the others are often a consequence of RuleOfCool, with essentially no advantage over simpler designs.

* ''Film/TheBlackHole''. The ''Cygnus'' has hatches that slide up, down, apart and sideways. In one scene a door slides up halfway from the deck, providing cover for the {{Killer Robot}}s' lower half while they fire over the top.

* In ''[[SamAndMax Sam & Max: The Devil's Playhouse]]'', the doors on General Skun-ka'pe's ship slide Ina different direction every time they open or close. For example, the first time, a door will slide to the right to open and then come up from the bottom to close. The next time, the door could open by sliding up and close from the left. Apparently, his ship, like everything in the game, runs on the RuleOfFunny.

* ''Film/ForbiddenPlanet'': The doors left by the Krell had two of these traits, "no right angles" (a flattened pentagon) and "converging from all directions".

* Becomes apparent in ''[[VideoGame/Doom2016 Doom 2016's]]'' [[LevelEditor SnapMap Mode]] where you can choose the type of door connecting two rooms, such as ascending vertically, splitting in two, splitting in four and more, but none that actually swing to the side via a hinge and opened with a handle.

* Hobbit doors are round in ''Literature/LordOfTheRings''.

* ''Literature/TheNeverendingStory'' Appropriately, in the Temple of a Thousand Doors. Doors were described as extremely thin, thick, gingerbread, buttoned, caves, shaped like an ear, mouth, etc.

* Space Pirate Doors in ''VideoGame/{{Metroid}}'' are opened by firing energy weapons at them, are circular, and come in many, many component parts that open separately. Weirdly, they're unlocked with weapons the space pirates [[FridgeLogic do not possess]]. Galactic federation doors, [[DamnYouMuscleMemory to confuse players]], are simple automated doors.

* ''Film/TheBlackHole''. The ''Cygnus'' has hatches that slide up, down, apart and sideways. In one scene a door slides up halfway from the deck, [[AwesomeButPractical providing cover]] for the {{Killer Robot}}s' lower half while they fire over the top.

** In ''The Nude Bomb'' the entrance to the BigBad's mountain lair was a giant zipper. When Max sees it start to open, he says to (female) Agent 22, "[[GettingCrapPastTheRadar Close your eyes, we don't know what's coming out of that thing.]]"