History Main / AirVentPassageway

11th Mar '17 2:26:43 PM nombretomado
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* Somewhat altered in ''[[The39Clues The 39 Clues: The Dead of Night]]'', in which Phoenix Wizard and Reagan Holt try to escape the Vespers' prison by climbing up a dumbwaiter shaft. Justified, since the characters are children.

to:

* Somewhat altered in ''[[The39Clues ''[[Literature/The39Clues The 39 Clues: The Dead of Night]]'', in which Phoenix Wizard and Reagan Holt try to escape the Vespers' prison by climbing up a dumbwaiter shaft. Justified, since the characters are children.



* In MichaelFlynn's ''Literature/SpiralArm'' novel ''In The Lion's Mouth'', Bridget's first guess is such an escape before she deduces that in fact Ravn hid {{Invisibility Cloak}}s in the ventilation system, and then escaped, invisible, with her companion as soon as the door opened.

to:

* In MichaelFlynn's Creator/MichaelFlynn's ''Literature/SpiralArm'' novel ''In The Lion's Mouth'', Bridget's first guess is such an escape before she deduces that in fact Ravn hid {{Invisibility Cloak}}s in the ventilation system, and then escaped, invisible, with her companion as soon as the door opened.
11th Mar '17 2:13:05 AM jormis29
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** FASA's Classic supplement ''Action Aboard: Adventures on the King Richard''. A paragraph details how the air ducts can be used to move around the ship.

to:

** FASA's Creator/{{FASA}}'s Classic supplement ''Action Aboard: Adventures on the King Richard''. A paragraph details how the air ducts can be used to move around the ship.



* Chaosium's ''ComicBook/ElfQuest'' RPG main rules, adventure "The Dying River". The elf {{P|layerCharacter}}Cs can get inside the troll tunnels by finding one of the airholes that the trolls use as a ventilation system.

to:

* Chaosium's Creator/{{Chaosium}}'s ''ComicBook/ElfQuest'' RPG main rules, adventure "The Dying River". The elf {{P|layerCharacter}}Cs can get inside the troll tunnels by finding one of the airholes that the trolls use as a ventilation system.
16th Feb '17 12:03:37 PM AthenaBlue
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* ''WesternAnimation/StarWarsTheCloneWars''
** Ahsoka once escaped Griveous this way.
** Ventress used the airvents to infiltrate and sabotage a Republic Star Destroyer unnoticed.
** Cad Bane infiltrated the Jedi Temple through the airvents. Doubles as AbsurdlySpaciousSewer.
** Ahsoka Tano and Barriss Offee escape from mind-controlled Clone Troopers by jumping into the air vents. Later in the episode, Ahsoka uses the same vents to travel to the coolant control room and the bridge while she's running from Barriss.
** Aura Sing used these to attempt the assassination of Padmé.

to:

* ''WesternAnimation/StarWarsTheCloneWars''
''WesternAnimation/StarWarsTheCloneWars'':
** "Duel of the Droids": Ahsoka once escaped Griveous escapes General Grievous this way.
** "Cloak of Darkness": Ventress used the airvents to infiltrate and sabotage a Republic Star Destroyer Jedi Cruiser unnoticed.
** "Holocron Heist": Cad Bane infiltrated the Jedi Temple through the airvents. Doubles as AbsurdlySpaciousSewer.
** "Brain Invaders": Ahsoka Tano and Barriss Offee escape from mind-controlled Clone Troopers by jumping into the air vents. Later in the episode, Ahsoka uses the same vents to travel to the coolant control room and the bridge while she's running from Barriss.
** Aura "Assassin": Aurra Sing used these to attempt the assassination of to assassinate Padmé.


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* ''WesternAnimation/StarWarsRebels'': In the first two seasons, Ezra Bridger spends a ''lot'' of time crawling around in ducts. The fact that he's a scrawny, underfed teenager helps a great deal. By Season 3 he's had a growth spurt, so he can't do this anymore.
5th Feb '17 2:51:38 PM Morgenthaler
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* ''Film/{{Cyberjack}}'': Nick uses the giant air ducts to navigate around the office building and hide from the terrorists.
27th Jan '17 6:37:17 PM GigaHand
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** ''VisualNovel/PhoenixWrightAceAttorneyDualDestinies'' gives us a variant - Apollo suggests that someone walked through an air vent, but investigating the thing later shows that while it was possible, it was certainly not done and he has to come up with another defense.
23rd Jan '17 6:05:26 PM MiddleEighth
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*Averted in ''Fanfic/TheKeysStandAlone: The Soft World''. George talks about maybe navigating the air ducts to get to Mevaryat's basement room in the concert hall, but he isn't thrilled about the idea because he has no idea where the things go, and can't really navigate the larger world [[VoluntaryShapeshifting when he's something small]] anyway. Later, he finds out that the Tipaanese anticipated he might go in that way and set traps throughout the air ducts. Too bad for them he found a different way to get into the room.
14th Jan '17 4:11:07 AM StFan
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!!Examples

to:

!!Examples
!!Examples:



[[folder: Audio Play]]

to:

[[folder: Audio Play]]Plays]]



-->'''Balleseros''': "Now I know what a TV dinner feels like."
-->'''Alan Farragut''': Didn't think you were old enough to remember that one.
-->'''Balleseros''': ''Film/DieHard''? Sure, saw it in third grade.
-->'''Alan Farragut''': ''Ouch.''

to:

-->'''Balleseros''': "Now -->'''Balleseros:''' Now I know what a TV dinner feels like."
-->'''Alan Farragut''':
\\
'''Alan Farragut:'''
Didn't think you were old enough to remember that one.
-->'''Balleseros''':
one.\\
'''Balleseros:'''
''Film/DieHard''? Sure, saw it in third grade.
-->'''Alan Farragut''':
grade.\\
'''Alan Farragut:'''
''Ouch.''



* ''Series/{{The 100}}'' has Bellamy repeatedly use air vents to get around in Mount Weather without being seen. Possibly {{justified|Trope}} since Mount Weather is a large facility that needs a huge air filtration system to filter out radiation from the surface; if any place is going to have person sized air vents, it'd probably be them.

to:

* ''Series/{{The 100}}'' ''Series/The100'' has Bellamy repeatedly use air vents to get around in Mount Weather without being seen. Possibly {{justified|Trope}} since Mount Weather is a large facility that needs a huge air filtration system to filter out radiation from the surface; if any place is going to have person sized air vents, it'd probably be them.



* ''Series/{{Space 1999}}'': The Alpha Base air vents are of realistic size, and their openings quite tiny, but this is not a problem for Maya, since she can [[VoluntaryShapeshifting turn into a mouse]] before crawling into them.

to:

* ''Series/{{Space 1999}}'': ''Series/Space1999'': The Alpha Base air vents are of realistic size, and their openings quite tiny, but this is not a problem for Maya, since she can [[VoluntaryShapeshifting turn into a mouse]] before crawling into them.



* ''[[VideoGame/{{Battlefield}} Battlefield 2142]]''. The Titans have vents on the top that provide an alternate way to enter, however, unless the other team if full of idiots, they are usually boobytraped or being guarded by someone armed usually with a shotgun or a LMG.

to:

* ''[[VideoGame/{{Battlefield}} Battlefield 2142]]''.''VideoGame/Battlefield2142''. The Titans have vents on the top that provide an alternate way to enter, however, unless the other team if full of idiots, they are usually boobytraped or being guarded by someone armed usually with a shotgun or a LMG.



* Some ''VideoGame/{{Counter-Strike}}'' maps feature this. E.g. on cs_assault, there is a large air vent that leads from the hangar roof to the room with the hostages. Appropriately, walking through it makes a lot of noise and it can be shot through to kill whoever is inside.

to:

* Some ''VideoGame/{{Counter-Strike}}'' ''VideoGame/CounterStrike'' maps feature this. E.g. on cs_assault, there is a large air vent that leads from the hangar roof to the room with the hostages. Appropriately, walking through it makes a lot of noise and it can be shot through to kill whoever is inside.



* ''Webcomic/{{Angels 2200}}'': Loser uses one when they attempt to "rescue" Quetz

to:

* ''Webcomic/{{Angels 2200}}'': ''Webcomic/Angels2200'': Loser uses one when they attempt to "rescue" Quetz



* Kai tries to use one of these in the first episode of the ''WebVideo/{{Chronicles of Syntax}}'' to get out of the school. It doesn't quite work out how he expected.

to:

* Kai tries to use one of these in the first episode of the ''WebVideo/{{Chronicles of Syntax}}'' ''WebVideo/ChroniclesOfSyntax'' to get out of the school. It doesn't quite work out how he expected.



* ''WesternAnimation/{{Ben 10}}'' did this a couple times, though it's {{Justified|Trope}} by the fact that, both times, Ben was transformed into an alien form that was five inches tall and gave him greatly enhanced brainpower.

to:

* ''WesternAnimation/{{Ben 10}}'' ''WesternAnimation/Ben10'' did this a couple times, though it's {{Justified|Trope}} by the fact that, both times, Ben was transformed into an alien form that was five inches tall and gave him greatly enhanced brainpower.



-->'''Groundskeeper Willie:''' "Lunchlady Doris...'ave ye got any grease?"
-->'''Lunchlady Doris:''' "Yes. Yes we do."
-->'''Groundskeeper Willie:''' (tears off his clothes) "Then grease me up, woman!"
-->'''Lunchlady Doris:''' ... "Okee-dokee."
-->'''Groundskeeper Willie:''' "There's nary an animal that can outrun a GREASED SCOTSMAN!"

to:

-->'''Groundskeeper --->'''Groundskeeper Willie:''' "Lunchlady Doris...Lunchlady Doris... 'ave ye got any grease?"
-->'''Lunchlady
grease?\\
'''Lunchlady
Doris:''' "Yes.Yes. Yes we do."
-->'''Groundskeeper
\\
'''Groundskeeper
Willie:''' (tears ''[tears off his clothes) "Then clothes]'' Then grease me up, woman!"
-->'''Lunchlady
woman!\\
'''Lunchlady
Doris:''' ... "Okee-dokee."
-->'''Groundskeeper
Okee-dokee.\\
'''Groundskeeper
Willie:''' "There's There's nary an animal that can outrun a GREASED SCOTSMAN!" SCOTSMAN!



-->'''Homer:''' ''(scribbling on pad)'' I love spying.
-->''(terrorist picks up a bar of uranium; radioactive gas boils off the surface of the rod)''
-->'''Burns:''' "Don't worry about those fumes. They'll be sucked into that air vent."
-->''(Homer moans from fumes, drops pad out of vent and onto the floor)''
-->'''Burns:''' "This place is falling apart." ''(walks over, picks up pad and shoves it back into the vent)''

to:

-->'''Homer:''' ''(scribbling --->'''Homer:''' ''[scribbling on pad)'' pad]'' I love spying.
-->''(terrorist
spying.\\
''[terrorist
picks up a bar of uranium; radioactive gas boils off the surface of the rod)''
-->'''Burns:''' "Don't
rod]''\\
'''Burns:''' Don't
worry about those fumes. They'll be sucked into that air vent."
-->''(Homer
\\
''[Homer
moans from fumes, drops pad out of vent and onto the floor)''
-->'''Burns:''' "This
floor]''\\
'''Burns:''' This
place is falling apart." ''(walks apart. ''[walks over, picks up pad and shoves it back into the vent)'' vent]''



-->'''Robotnik:''' [[TranquilFury Tell me, Snively, how did the hedgehog get past all my security]]?
-->'''Snively:''' Through an air duct, Dr. Robotnik.
-->'''Robotnik:''' An ''air duct?'' Then SEAL IT OFF!!

to:

-->'''Robotnik:''' [[TranquilFury Tell me, Snively, how did the hedgehog get past all my security]]?
-->'''Snively:'''
security]]?\\
'''Snively:'''
Through an air duct, Dr. Robotnik. \n-->'''Robotnik:''' \\
'''Robotnik:'''
An ''air duct?'' Then SEAL IT OFF!!



* To this day, criminals will attempt this trope at any number of buildings where they can find a suitable opening. The difficulty they will encounter is that ducts don't stay the same size or shape all that often. The added difficulty of straight up-and-down ducts will see many criminals slipping and falling to become wedged or even killed by the fall. Even worse for some criminals is they may attempt this on holidays or weekends to avoid being heard clambering through the ventilation. When they become trapped, they must wait days without food or water in extremely uncomfortable positions for somebody to discover them.
** Given that some buildings are closed for months at a time (if not permanently), it's not surprising that several unlucky burglars have ended up ''starving to death'' before being found.

to:

* To this day, criminals will attempt this trope at any number of buildings where they can find a suitable opening. The difficulty they will encounter is that ducts don't stay the same size or shape all that often. The added difficulty of straight up-and-down ducts will see many criminals slipping and falling to become wedged or even killed by the fall. Even worse for some criminals is they may attempt this on holidays or weekends to avoid being heard clambering through the ventilation. When they become trapped, they must wait days without food or water in extremely uncomfortable positions for somebody to discover them.
**
them. Given that some buildings are closed for months at a time (if not permanently), it's not surprising that several unlucky burglars have ended up ''starving to death'' before being found.
found.
27th Dec '16 4:31:08 PM BaronVonClop
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* ''Film/BadSanta 2'' features a character crawling up both a garbage chute and an air-vent to spy on someone. He's discovered when his phone rings and starts to play ''Pop That Pussy''.
26th Dec '16 8:34:37 AM rafi
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* {{Justified|Trope}} in ''Manga/FullmetalAlchemist'': shrimpy Edward is the only character who can fit in the air vents, and for him it's a tight fit. Which leads to further comedy as Ed has a complex for being TheNapoleon.
* Like the opening of season 1, the opening of season 2 of ''Anime/GhostInTheShellStandAloneComplex'' is all about showing off the awesome skills of Section 9 while providing a reason for the unit's reactivation. The regular SWAT unit attempts an assault on the Chinese embassy through the air vents, but spectacularly fails with one officer dead and another being added to the terrorists' hostages. Seeing these poor results, his superiors immediately give Aramaki the green light to send in his team and get the job done.
* ''Anime/NeonGenesisEvangelion'': Asuka, Rei, and Shinji were forced to use this route to get into the Geo-Front during a power outage when none of the doors would open. The air vent entrance also {{lampshade|Hanging}}d the MaleGaze when Asuka kept kicking Shinji for "looking ahead." Later in the episode, we are treated to the sight of ''HumongousMecha'' escaping via (humongous) air ducts. The geofront itself is an immense underground open space, hence the need for extremely large duct shafts to the surface to keep the air fresh.
* Mokuba Kaiba once escaped from the Big 5 this way in ''Anime/YuGiOh'' At least he's a fairly small kid, more likely to fit and all that.
* In ''Manga/YuGiOhR'', Jounouchi and Honda avoid some {{Mooks}} this way. Lampshaded by Jou, who complains about how claustrophobic it is and keeps getting accidentally kicked in the face by Honda.
* {{Subverted|Trope}} with glee in ''Anime/{{Mnemosyne}}'': Slender (though busty) ActionGirl Rin Asougi decides to infiltrate an empty research laboratory by going through the ducts. She predicts the [[LaserHallway lasers]] and makes them visible by filling the cramped ventilation duct with smoke from a cigarette, and then proceeds to slip under the lasers... until her butt catches the laser, setting off all the alarms. Cue Rin's capture and... {{Squick}}.

to:

* {{Justified|Trope}} in ''Manga/FullmetalAlchemist'': shrimpy Edward is In "Turnabout Prophecy" of the only character who can fit ''Franchise/AceAttorney'' manga, this is averted. The ventilation pipes themselves are too small to crawl in, but it is possible to crawl in the air vents, and for him it's a tight fit. Which leads to further comedy as Ed has a complex for being TheNapoleon.
* Like
area where the opening of season 1, the opening of season 2 of ''Anime/GhostInTheShellStandAloneComplex'' is all about showing off the awesome skills of Section 9 while providing a reason for the unit's reactivation. The regular SWAT unit attempts an assault on the Chinese embassy pipes are.
* In ''Manga/{{Akira}}'', Kaneda tries to escape custody
through the air vents, but spectacularly fails with one officer dead and another being added to the terrorists' hostages. Seeing these poor results, his superiors immediately give Aramaki the green light to send in his team and get the job done.
* ''Anime/NeonGenesisEvangelion'': Asuka, Rei, and Shinji were forced to use this route to get into the Geo-Front during a power outage when none of the doors would open. The air vent entrance also {{lampshade|Hanging}}d the MaleGaze when Asuka kept kicking Shinji for "looking ahead." Later in the episode, we are treated to the sight of ''HumongousMecha'' escaping via (humongous) air ducts. The geofront itself is an immense underground open space, hence the need for extremely large duct shafts to the surface to keep the air fresh.
* Mokuba Kaiba once escaped from the Big 5 this way in ''Anime/YuGiOh'' At least he's a fairly small kid, more likely to fit and all that.
* In ''Manga/YuGiOhR'', Jounouchi and Honda avoid some {{Mooks}} this way. Lampshaded by Jou, who complains about how claustrophobic it is and keeps getting accidentally kicked in the face by Honda.
* {{Subverted|Trope}} with glee in ''Anime/{{Mnemosyne}}'': Slender (though busty) ActionGirl Rin Asougi decides to infiltrate an empty research laboratory by going through the ducts. She predicts the [[LaserHallway lasers]] and makes them visible by filling the cramped
ventilation duct duct. He doesn't get far though.
* In ''Manga/AxisPowersHetalia'', '''Paint it White!''': Italy, Germany, and Japan pull one of these in order to escape the aliens currently chasing them. May or may not be {{justified| trope}} because they were in an alien mothership,
with smoke from a cigarette, air vents about the size of an average person. They DID fall through at one point, and then proceeds Germany got quite a few scratches to slip under the lasers... until her butt catches the laser, setting off all the alarms. Cue Rin's capture and... {{Squick}}.face.



* In ''Manga/{{Monster}}'', Johan and Anna/Nina's mother escapes through a rather small-looking air vent not just pregnant but ''in labor''.
* Mamoru and Volfogg do this in ''Anime/GaoGaiGar'' when their base is taken over by a computer-hacking Zonder. Mamoru is a nine-year-old, but Volfogg is a ''robot that transforms into a police car''.
* ''Anime/FutariWaPrettyCure'' episode 10. Nagisa needs to get into a store being robbed so she can meet Honoka, since [[WonderTwinPowers they have to be together to transform]]. Extra points for doing it in the course of about five seconds with no equipment.
* ''Anime/{{Hellsing}}''
** Integra does this to hide from her uncle.
** Seras and Walter also use this to avoid a confrontation with the Valentine brothers.
** Walter actually makes a point of reminding Integra that she used the vents to hide, so it's possible that they were deliberately designed with the purpose of allowing people to move throughout the mansion and avoid enemies in mind.
* In ''Manga/ShugoChara'', Kiseki and Yoru escape from a locked room this way. {{Justified|Trope}} since the Shugo Charas in that series are small enough to fit in normal air ducts.
* Done once in ''Manga/RaveMaster'' though by a creature who must be light, because he floats when he sleeps, and something that [[CallASmeerpARabbit may be a small dog]].



* Amusingly {{downplayed|Trope}} by [[{{Meganekko}} Jody Hayward]] in ''Anime/ElCazadorDeLaBruja''. She uses the vents to sneak into [[BigBad Rosen]][[TheChessmaster berg's]] office only to find that her hips are slightly too large to fit through them.
* While searching an enemy ship in ''Manga/FairyTail'' the Exceeds (who are about the size of a cat) are shown crawling through an air vent, wondering about the necessity of it and complaining about how narrow it is. When they ask why they're in there instead of searching the rooms like a normal person, Happy says [[RuleOfCool "No particular reason"]].



* {{Justified|Trope}} in ''Manga/FullmetalAlchemist'': shrimpy Edward is the only character who can fit in the air vents, and for him it's a tight fit. Which leads to further comedy as Ed has a complex for being TheNapoleon.
* ''Anime/FutariWaPrettyCure'' episode 10. Nagisa needs to get into a store being robbed so she can meet Honoka, since [[WonderTwinPowers they have to be together to transform]]. Extra points for doing it in the course of about five seconds with no equipment.



* In ''Manga/AxisPowersHetalia'', '''Paint it White!''': Italy, Germany, and Japan pull one of these in order to escape the aliens currently chasing them. May or may not be {{justified| trope}} because they were in an alien mothership, with air vents about the size of an average person. They DID fall through at one point, and Germany got quite a few scratches to the face.
* While searching an enemy ship in ''Manga/FairyTail'' the Exceeds (who are about the size of a cat) are shown crawling through an air vent, wondering about the necessity of it and complaining about how narrow it is. When they ask why they're in there instead of searching the rooms like a normal person, Happy says [[RuleOfCool "No particular reason"]].
* In "Turnabout Prophecy" of the ''Franchise/AceAttorney'' manga, this is averted. The ventilation pipes themselves are too small to crawl in, but it is possible to crawl in the area where the pipes are.
* Amusingly {{downplayed|Trope}} by [[{{Meganekko}} Jody Hayward]] in ''Anime/ElCazadorDeLaBruja''. She uses the vents to sneak into [[BigBad Rosen]][[TheChessmaster berg's]] office only to find that her hips are slightly too large to fit through them.
* Successfully done by Tsukiyo in ''Manga/TheWorldGodOnlyKnows'', but small as she is she still couldn't have pulled it off normally. Rather, she was shrunk down to the size of a doll and it was still a pretty tight fit.
* In ''Manga/{{Akira}}'', Kaneda tries to escape custody through the ventilation duct. He doesn't get far though.

to:

* In ''Manga/AxisPowersHetalia'', '''Paint it White!''': Italy, Germany, Mamoru and Japan pull one of these Volfogg do this in order to escape ''Anime/GaoGaiGar'' when their base is taken over by a computer-hacking Zonder. Mamoru is a nine-year-old, but Volfogg is a ''robot that transforms into a police car''.
* Like
the aliens currently chasing them. May or may not be {{justified| trope}} because they were in an alien mothership, with air vents opening of season 1, the opening of season 2 of ''Anime/GhostInTheShellStandAloneComplex'' is all about showing off the size awesome skills of Section 9 while providing a reason for the unit's reactivation. The regular SWAT unit attempts an average person. They DID fall assault on the Chinese embassy through at the air vents, but spectacularly fails with one point, officer dead and Germany got quite a few scratches another being added to the face.
* While searching an enemy ship in ''Manga/FairyTail''
terrorists' hostages. Seeing these poor results, his superiors immediately give Aramaki the Exceeds (who are about green light to send in his team and get the size of a cat) are shown crawling through an air vent, wondering about the necessity of it and complaining about how narrow it is. When they ask why they're in there instead of searching the rooms like a normal person, Happy says [[RuleOfCool "No particular reason"]].
job done.
* In "Turnabout Prophecy" of the ''Franchise/AceAttorney'' manga, ''Anime/{{Hellsing}}''
** Integra does
this is averted. The ventilation pipes themselves are too small to crawl in, but it is possible hide from her uncle.
** Seras and Walter also use this
to crawl in avoid a confrontation with the area where the pipes are.
* Amusingly {{downplayed|Trope}} by [[{{Meganekko}} Jody Hayward]] in ''Anime/ElCazadorDeLaBruja''. She uses
Valentine brothers.
** Walter actually makes a point of reminding Integra that she used
the vents to sneak into [[BigBad Rosen]][[TheChessmaster berg's]] office only to find hide, so it's possible that her hips are slightly too large to fit through them.
* Successfully done by Tsukiyo in ''Manga/TheWorldGodOnlyKnows'', but small as she is she still couldn't have pulled it off normally. Rather, she was shrunk down to
they were deliberately designed with the size purpose of a doll allowing people to move throughout the mansion and it was still a pretty tight fit.
* In ''Manga/{{Akira}}'', Kaneda tries to escape custody through the ventilation duct. He doesn't get far though.
avoid enemies in mind.



* {{Subverted|Trope}} with glee in ''Anime/{{Mnemosyne}}'': Slender (though busty) ActionGirl Rin Asougi decides to infiltrate an empty research laboratory by going through the ducts. She predicts the [[LaserHallway lasers]] and makes them visible by filling the cramped ventilation duct with smoke from a cigarette, and then proceeds to slip under the lasers... until her butt catches the laser, setting off all the alarms. Cue Rin's capture and... {{Squick}}.
* In ''Manga/{{Monster}}'', Johan and Anna/Nina's mother escapes through a rather small-looking air vent not just pregnant but ''in labor''.
* ''Anime/NeonGenesisEvangelion'': Asuka, Rei, and Shinji were forced to use this route to get into the Geo-Front during a power outage when none of the doors would open. The air vent entrance also {{lampshade|Hanging}}d the MaleGaze when Asuka kept kicking Shinji for "looking ahead." Later in the episode, we are treated to the sight of ''HumongousMecha'' escaping via (humongous) air ducts. The geofront itself is an immense underground open space, hence the need for extremely large duct shafts to the surface to keep the air fresh.
* Done once in ''Manga/RaveMaster'' though by a creature who must be light, because he floats when he sleeps, and something that [[CallASmeerpARabbit may be a small dog]].
* In ''Manga/ShugoChara'', Kiseki and Yoru escape from a locked room this way. {{Justified|Trope}} since the Shugo Charas in that series are small enough to fit in normal air ducts.
* Successfully done by Tsukiyo in ''Manga/TheWorldGodOnlyKnows'', but small as she is she still couldn't have pulled it off normally. Rather, she was shrunk down to the size of a doll and it was still a pretty tight fit.
* Mokuba Kaiba once escaped from the Big 5 this way in ''Anime/YuGiOh'' At least he's a fairly small kid, more likely to fit and all that.
* In ''Manga/YuGiOhR'', Jounouchi and Honda avoid some {{Mooks}} this way. Lampshaded by Jou, who complains about how claustrophobic it is and keeps getting accidentally kicked in the face by Honda.



* In the made-for-TV WesternAnimation/FelixTheCat cartoon "A Museum, The Professor and Rock Bottom", [[DumbMuscle Rock Bottom]] tries to escape from Felix in the art museum by using this tactic. It doesn't work, because not only can Felix clearly hear him travelling through the air conditioning vent, the vent is so small that Felix [[TravelingPipeBulge can see Rock's burly form squeezing its way through]]. He forces Rock out by setting the temperature so low, that Rock slides out the vent, frozen solid in an ice cube.
* ''Franchise/{{Transformers}}''
** ''WesternAnimation/TheTransformers'' episode "The Ultimate Doom, Part 2" introduced ventilation ducts large enough for Transformers to stand inside. Spike, Bumblebee & Brawn go through a ventilation shaft that takes them to Decepticon HQ. They're on Cybertron, where everything is of the same scale as Transformers are to humans, but why would they need air anyway?
** And pulled again in ''WesternAnimation/TransformersAnimated'', episode "Decepticon Air". Optimus Prime crawls through the ducts (it seems to be a squeeze, letting him homage ''Film/DieHard'' as well) of a spaceship -- maybe the air circulates to keep the energon from heating up and getting unstable? He does use it as a makeshift bomb, after all.
** ''WesternAnimation/BeastWars'': Cheetor goes through the ventilation shafts of the Predacon ship after having been accidentally transported to ''The Darksyde'' in "Equal Measures".
* This is a favorite route of the girls in ''WesternAnimation/TotallySpies'' for breaking in, clearly thanks to MaleGaze.
** Also done in the spinoff ''WesternAnimation/TheAmazingSpiez'' though vaguely more realistically due to the characters being 13 (Lee), 12 (Marc and Megan) and 11 (Tony). Even more plausibly the character seen doing this the most is Tony who, due to his young age, would realistically fit.
* ''WesternAnimation/KimPossible'' and Ron infiltrated this way in TheMovie. They do it quite a lot during the series.
* ''WesternAnimation/{{Recess}}'': T.J. often uses this route to break himself and occasionally others out of detention.
* ''WesternAnimation/TeenTitans''
** Exception; Titans Tower's quarantine lock-down system apparently ''does'' seal off openings to the air ducts, as seen in the episode "Haunted". (Robin got into the vents anyway....)
** Subverted in the same series: Cyborg is attempting an Air Vent Infiltration in the episode "Wavelength" when the walls roll up and the thing rotates, dumping him into an arena and a battle with Bumblebee which he very nearly loses. He should've thought twice about even coming across a vent ''big enough'' for his 6-foot, 200-pound chassis.
* ''WesternAnimation/{{Ben 10}}'' did this a couple times, though it's {{Justified|Trope}} by the fact that, both times, Ben was transformed into an alien form that was five inches tall and gave him greatly enhanced brainpower.
* In a ''WesternAnimation/{{Jem}}'' episode, Jem, Aja, and Shana do this to escape a locked room.
* ''WesternAnimation/SpiderManTheAnimatedSeries'' constantly had Spidey doing this. During the Venom arc, after Peter finds the symbiote and experiences drastic changes to his personality, he considers but chafes at using the trope, saying "That's the old Spidey talking." He instead goes for the direct approach: kicking the steel door down and barging into Kingpin's meeting.
* Peter and Brian do this in an episode of ''WesternAnimation/FamilyGuy'', complete with a ShoutOut to ''Film/DieHard''. They don't make it all the way in stealthily, though, Peter's large girth causes the vent to give out and dump them right in the middle of the prom.
* ''WesternAnimation/{{Futurama}}''
** Subverted: Fry and Bender try to escape from a brig through a steam pipe vent. Unfortunately, the steam pipe is full of steam. At least they got a good sauna out of it.
** {{Lampshade|Hanging}}d in ''[[TheMovie Bender's Big Score]]''. While trying to destroy a [[Franchise/StarWars "Death Star"]], Al Gore's head in a jar flies a through an air vent actually ''labeled'' "Achilles' Vent", lasers a-blasting, successfully destroying it.
** In ''[[TheMovie Bender's Game]]'', Fry and the other travel around [[BigBad Mom's]] factory through a tube that sends chickens to the enslaved Nibblonians. It works, but they have to shove their way through a lot of chickens.
* {{Lampshade|Hanging}}d and subverted in an episode of ''WesternAnimation/BuzzLightyearOfStarCommand'', when Emperor Zurg chews out the designer of his latest evil lair for making the air ducts big enough for heroes to fit through.

to:

* In the made-for-TV WesternAnimation/FelixTheCat cartoon "A Museum, ''WesternAnimation/TheAmazingSpiez'': The Professor and Rock Bottom", [[DumbMuscle Rock Bottom]] tries to escape from Felix in the art museum by using title team use this tactic. It doesn't work, because not only can Felix clearly hear him travelling through the air conditioning vent, the vent is so small that Felix [[TravelingPipeBulge can see Rock's burly form squeezing its way through]]. He forces Rock out by setting the temperature so low, that Rock slides out the vent, frozen solid technique in an ice cube.
* ''Franchise/{{Transformers}}''
** ''WesternAnimation/TheTransformers''
episode "The Ultimate Doom, Part 2" introduced ventilation ducts large enough for Transformers to stand inside. Spike, Bumblebee & Brawn go through a ventilation shaft that takes them to Decepticon HQ. They're on Cybertron, where everything "Operation Spy-Sitter".
* ''WesternAnimation/{{Archer}}''
is fond of the same scale as Transformers are to humans, but why would they need air anyway?
** And pulled again in ''WesternAnimation/TransformersAnimated'', episode "Decepticon Air". Optimus Prime crawls through the ducts (it seems to be a squeeze, letting him homage ''Film/DieHard'' as well) of a spaceship -- maybe the air circulates to keep the energon from heating up and getting unstable? He does use it as a makeshift bomb, after all.
** ''WesternAnimation/BeastWars'': Cheetor goes through the ventilation shafts of the Predacon ship after having been accidentally transported to ''The Darksyde'' in "Equal Measures".
* This is a favorite route of the girls in ''WesternAnimation/TotallySpies'' for breaking in, clearly thanks to MaleGaze.
** Also done in the spinoff ''WesternAnimation/TheAmazingSpiez'' though vaguely more realistically due to the characters being 13 (Lee), 12 (Marc and Megan) and 11 (Tony). Even more plausibly the character seen doing this the most is Tony who, due to his young age, would realistically fit.
* ''WesternAnimation/KimPossible'' and Ron infiltrated this way in TheMovie. They do it quite a lot during the series.
* ''WesternAnimation/{{Recess}}'': T.J. often uses this route to break himself and occasionally others out of detention.
* ''WesternAnimation/TeenTitans''
** Exception; Titans Tower's quarantine lock-down system apparently ''does'' seal off openings to the air ducts, as seen in the episode "Haunted". (Robin got into the vents anyway....)
** Subverted in the same series: Cyborg is attempting an Air Vent Infiltration in the episode "Wavelength" when the walls roll up and the thing rotates, dumping him into an arena and a battle with Bumblebee which he very nearly loses. He should've thought twice about even coming across a vent ''big enough'' for his 6-foot, 200-pound chassis.
* ''WesternAnimation/{{Ben 10}}'' did this a couple times, though
this. Somewhat surprisingly, it's {{Justified|Trope}} by the fact that, both times, Ben was transformed into an alien form that was five inches tall and gave him greatly enhanced brainpower.
* In a ''WesternAnimation/{{Jem}}'' episode, Jem, Aja, and Shana do this to escape a locked room.
* ''WesternAnimation/SpiderManTheAnimatedSeries'' constantly had Spidey doing this. During the Venom arc, after Peter finds the symbiote and experiences drastic changes to his personality, he considers but chafes at using the trope, saying "That's the old Spidey talking." He instead goes for the direct approach: kicking the steel door down and barging into Kingpin's meeting.
* Peter and Brian do this in an episode of ''WesternAnimation/FamilyGuy'', complete with a ShoutOut to ''Film/DieHard''. They don't make it all the way in stealthily, though, Peter's large girth causes the vent to give out and dump them right in the middle of the prom.
* ''WesternAnimation/{{Futurama}}''
** Subverted: Fry and Bender try to escape from a brig through a steam pipe vent. Unfortunately, the steam pipe is full of steam. At least they got a good sauna out of it.
** {{Lampshade|Hanging}}d in ''[[TheMovie Bender's Big Score]]''. While trying to destroy a [[Franchise/StarWars "Death Star"]], Al Gore's head in a jar flies a through an air vent actually ''labeled'' "Achilles' Vent", lasers a-blasting, successfully destroying it.
** In ''[[TheMovie Bender's Game]]'', Fry and the other travel around [[BigBad Mom's]] factory through a tube that sends chickens to the enslaved Nibblonians. It works, but they have to shove their way through a lot of chickens.
* {{Lampshade|Hanging}}d and subverted in an episode of ''WesternAnimation/BuzzLightyearOfStarCommand'', when Emperor Zurg chews out the designer of his latest evil lair for making the air ducts big enough for heroes to fit through.
always played straight.



* ''WesternAnimation/TheSimpsons''
** Parodied in the 100th episode. Santa's Little Helper gets into the school ventilation shafts, and only a greased Scotsman can catch him....
-->'''Groundskeeper Willie:''' "Lunchlady Doris...'ave ye got any grease?"
-->'''Lunchlady Doris:''' "Yes. Yes we do."
-->'''Groundskeeper Willie:''' (tears off his clothes) "Then grease me up, woman!"
-->'''Lunchlady Doris:''' ... "Okee-dokee."
-->'''Groundskeeper Willie:''' "There's nary an animal that can outrun a GREASED SCOTSMAN!"
** This is how Homer spies on Mr. Burns meeting with terrorists, and would be caught if it wasn't PlayedForLaughs:
-->'''Homer:''' ''(scribbling on pad)'' I love spying.
-->''(terrorist picks up a bar of uranium; radioactive gas boils off the surface of the rod)''
-->'''Burns:''' "Don't worry about those fumes. They'll be sucked into that air vent."
-->''(Homer moans from fumes, drops pad out of vent and onto the floor)''
-->'''Burns:''' "This place is falling apart." ''(walks over, picks up pad and shoves it back into the vent)''
** In one of Homer's daydreams where terrorists take over the plant, Homer jumps from a standing position into a vent on the ceiling, then comes out in Burns' office to beat the terrorists up.
** In "Lard of the Dance", Bart and Homer crawl through the vents while trying to steal grease from the school cafeteria, followed by an angry Groundskeeper Willie. The passageway is wide enough that Homer and Willie can fight inside of it.

to:

* ''WesternAnimation/TheSimpsons''
''WesternAnimation/TheBatman''
** Justified when Ragdoll uses it; he is the most flexible person to have ever lived, and the air vent only needs to be big enough for his head to fit in, as many air vents are in RealLife.
** Also played straight in the episode "The Butler Did It" when Alfred has to escape from a room to warn Bruce. He pronounces it "quite a sticky wicket."
** And again in "Thunder" by Batgirl several times to escape from Zeus' henchmen on his airship, and to tinker with said ship's power supply.
* In the ''WesternAnimation/BatmanTheAnimatedSeries'' episode "The Cat and the Claw, part one", ComicBook/{{Catwoman}} uses the air vents to escape from the Multigon offices.
*
Parodied and subverted in ''WesternAnimation/BatmanBeyond'': The protagonist enters a vent large enough to walk in, but the subsequent sections keep getting smaller and smaller.
* ''WesternAnimation/BatmanTheBraveAndTheBold''
** Subverted and played with: Batman is infiltrating a parallel Earth, disguised as his evil counterpart Owlman. He's allied himself with Red Hood, the heroic counterpart of the Joker, who is being tortured by Silver Cyclone, the evil version of Red Tornado. Batman sneaks through the air vents to free Red Hood and escape after his cover is blown by the evil Atom. This might have worked... ''except'' Silver Cyclone apparently had a tracking device or something on Batman, because the moment he realizes that Red Hood has been in contact with someone, he remembers that Owlman has been acting strangely and his computer immediately tells him Batman's location,
in the 100th episode. Santa's Little Helper gets into the school ventilation shafts, and only a greased Scotsman can catch him....
-->'''Groundskeeper Willie:''' "Lunchlady Doris...'ave ye got any grease?"
-->'''Lunchlady Doris:''' "Yes. Yes we do."
-->'''Groundskeeper Willie:''' (tears off his clothes) "Then grease me up, woman!"
-->'''Lunchlady Doris:''' ... "Okee-dokee."
-->'''Groundskeeper Willie:''' "There's nary an animal
air vents, proving that can outrun he's a GREASED SCOTSMAN!"
**
spy. Silver Cyclone then powers up the fan to slice "Owlman" to pieces. This is how Homer spies on Mr. Burns meeting with terrorists, and would be caught if it wasn't PlayedForLaughs:
-->'''Homer:''' ''(scribbling on pad)'' I love spying.
-->''(terrorist picks up a bar of uranium; radioactive gas boils off
the surface goddamn '''Batman''' we're talking about, so he blows up the fan. But still, the escape turned out to ''not'' be the best idea.
** Averted in "Menace
of the rod)''
-->'''Burns:''' "Don't worry about those fumes. They'll be sucked into that
Conqueror Cavemen!", as the air vent."
-->''(Homer moans from fumes, drops pad out of vent
vents are cramped. They also shake and onto the floor)''
-->'''Burns:''' "This place is falling apart." ''(walks over, picks up pad
make a good deal of noise when Batman and shoves it back into the vent)''
** In one of Homer's daydreams where terrorists take over the plant, Homer jumps from a standing position into a vent on the ceiling, then comes out in Burns' office to beat the terrorists up.
** In "Lard of the Dance", Bart and Homer
Booster crawl through them. Fortunately Kru'll isn't paying much attention.
* ''WesternAnimation/{{Ben 10}}'' did this a couple times, though it's {{Justified|Trope}} by
the vents while trying to steal grease from fact that, both times, Ben was transformed into an alien form that was five inches tall and gave him greatly enhanced brainpower.
* ''WesternAnimation/{{Birdman}}'' episode "The Quake Threat". When Birdman is trapped in an ElaborateUndergroundBase, Avenger
the school cafeteria, followed by eagle breaks in through an angry Groundskeeper Willie. The passageway is wide air vent to save him.
* {{Lampshade|Hanging}}d and subverted in an episode of ''WesternAnimation/BuzzLightyearOfStarCommand'', when Emperor Zurg chews out the designer of his latest evil lair for making the air ducts big
enough that Homer and Willie can fight inside of it.for heroes to fit through.



* In ''WesternAnimation/SonicSatAM'', most episodes that contain Robotropolis have the main characters in an air duct at LEAST once. Robotropolis is perhaps Air Duct Central, essentially one giant factory bathing in its own heated (polluted) air. Lots of cool (polluted) air has to be moved around to keep the place from overheating somehow. By the way, Robotnik hates this trope:
-->'''Robotnik:''' [[TranquilFury Tell me, Snively, how did the hedgehog get past all my security]]?
-->'''Snively:''' Through an air duct, Dr. Robotnik.
-->'''Robotnik:''' An ''air duct?'' Then SEAL IT OFF!!



* Given her size, Jade from ''WesternAnimation/JackieChanAdventures'' utilizes these at times to get around places when no one else can. The episode "The Day of the Dragon" feature both her and the Dark Hand using the air vents to escape Section 13.
* {{Defied|Trope}} in ''WesternAnimation/WolverineAndTheXMen'': Wolverine and Gambit are trying to break into a secret lab to steal back a power inhibitor collar, and Wolverine suggests taking advantage of this trope. Gambit counters with: "Heh, only in the world of cinema. [[ThisIsReality In real life, they never hold]]." It certainly doesn't help that Wolverine's metal skeleton makes him about three times as heavy as a normal person.
* ''WesternAnimation/XMenEvolution''
** Subverted, with the vent being only a few inches long, big enough for people to climb into, having a ladder inside, and Blob gets stuck. However, it also has a large amount of security lids which Cyke was able to close to keep Mystique from escaping.
** Played with in another episode. When the group is testing out the security of the mansion, Wolverine is able to go to many parts of the mansion through the vents, and suggests something be done about them.



* Parodied and subverted in ''WesternAnimation/BatmanBeyond'': The protagonist enters a vent large enough to walk in, but the subsequent sections keep getting smaller and smaller.
* ''WesternAnimation/BatmanTheBraveAndTheBold''
** Subverted and played with: Batman is infiltrating a parallel Earth, disguised as his evil counterpart Owlman. He's allied himself with Red Hood, the heroic counterpart of the Joker, who is being tortured by Silver Cyclone, the evil version of Red Tornado. Batman sneaks through the air vents to free Red Hood and escape after his cover is blown by the evil Atom. This might have worked... ''except'' Silver Cyclone apparently had a tracking device or something on Batman, because the moment he realizes that Red Hood has been in contact with someone, he remembers that Owlman has been acting strangely and his computer immediately tells him Batman's location, in the air vents, proving that he's a spy. Silver Cyclone then powers up the fan to slice "Owlman" to pieces. This is the goddamn Franchise/{{Batman}} we're talking about, so he blows up the fan. But still, the escape turned out to ''not'' be the best idea.
** Averted in "Menace of the Conqueror Cavemen!", as the air vents are cramped. They also shake and make a good deal of noise when Batman and Booster crawl through them. Fortunately Kru'll isn't paying much attention.
* ''WesternAnimation/TheBatman''
** Justified when Ragdoll uses it; he is the most flexible person to have ever lived, and the air vent only needs to be big enough for his head to fit in, as many air vents are in RealLife.
** Also played straight in the episode "The Butler Did It" when Alfred has to escape from a room to warn Bruce. He pronounces it "quite a sticky wicket."
** And again in "Thunder" by Batgirl several times to escape from Zeus' henchmen on his airship, and to tinker with said ship's power supply.
* In the ''WesternAnimation/BatmanTheAnimatedSeries'' episode "The Cat and the Claw, part one", ComicBook/{{Catwoman}} uses the air vents to escape from the Multigon offices.
* In an episode of ''WesternAnimation/MaxSteel'', the only entrance to a highly-secured building is through the air vents. The only way in is by careful timing to avoid being sliced by a giant fan; the vents end two-thirds of the way up the wall in a room where the floor is littered with explosive devices, and not only do the air vents have cameras, they're also equipped with flamethrowers the big bad of the episode can activate at will.
* ''WesternAnimation/RobotChicken'' {{lampshade|Hanging}}d this in an ''ComicBook/IronMan'' spoof. Two {{Mooks}} guarding The Mandarin's lair are able to instantly determine that the deafening banging and screeching noises they hear are from Iron Man trying to sneak through the air ducts.
* ''WesternAnimation/JonnyQuest'' episode "Mystery of the Lizard Men". Jonny crawls though an air duct to escape from the title opponents.
* ''WesternAnimation/{{SpongeBob SquarePants}}'', "Truth or Square": after getting [[LockedInAFreezer locked inside the Krusty Krab freezer]], the gang makes their way out through the restaurant's labyrinthian ventilation system.
* Subverted in the ''WesternAnimation/JimmyTwoShoes'' episode "Jimmy in the Big House", when [[IdiotHero Jimmy and Beezy]] tries to get out of prison by going through air vents. Suddenly, a screen pops out and it's a video message from [[EnfantTerrible Heloise]] who lets them know that they have made it far in escaping but in her prison, there is NO ESCAPE! As a result, they are blown out of the air vents by the fans at high speed and back to where they were. In this case, it's probably [[JustifiedTrope justified]] since Heloise probably made the vents that big just to [[ForTheEvulz crush prisoner's hopes for escaping]].
* ''WesternAnimation/StarWarsTheCloneWars''
** Ahsoka once escaped Griveous this way.
** Ventress used the airvents to infiltrate and sabotage a Republic Star Destroyer unnoticed.
** Cad Bane infiltrated the Jedi Temple through the airvents. Doubles as AbsurdlySpaciousSewer.
** Ahsoka Tano and Barriss Offee escape from mind-controlled Clone Troopers by jumping into the air vents. Later in the episode, Ahsoka uses the same vents to travel to the coolant control room and the bridge while she's running from Barriss.
** Aura Sing used these to attempt the assassination of Padmé.
** Subverted and lampshaded in "The Citadel". With the entry point the Jedi wanted to use blocked, Anakin and Obi-Wan muse how to get in, and Ahsoka points on the ventilation hatch. Anakin argues that they're too small to gain access, but in response Ahsoka points out, that they might be too small for Anakin, Obi-Wan and the clones, but she might be able to squeeze through -- which she is, although barely. In the next episode Obi-Wan's entire team tries to escape the Citadel in absurdly spacious airvents. However these had lethally effective security doors, and the warden at least had enough common sense to send at least one drone in the airvents.
** In "A Test of Strength" Hondo Ohnaka proves he is smart by immediately recognizing the trick and having smoke bombs dropped into the vents to flush out the occupants.

to:

* Parodied and subverted in ''WesternAnimation/BatmanBeyond'': The protagonist enters a vent large enough to walk in, but the subsequent sections keep getting smaller and smaller.
* ''WesternAnimation/BatmanTheBraveAndTheBold''
** Subverted and played with: Batman is infiltrating a parallel Earth, disguised as his evil counterpart Owlman. He's allied himself with Red Hood, the heroic counterpart of the Joker, who is being tortured by Silver Cyclone, the evil version of Red Tornado. Batman sneaks through the air vents to free Red Hood and escape after his cover is blown by the evil Atom. This might have worked... ''except'' Silver Cyclone apparently had a tracking device or something on Batman, because the moment he realizes that Red Hood has been in contact with someone, he remembers that Owlman has been acting strangely and his computer immediately tells him Batman's location, in the air vents, proving that he's a spy. Silver Cyclone then powers up the fan to slice "Owlman" to pieces. This is the goddamn Franchise/{{Batman}} we're talking about, so he blows up the fan. But still, the escape turned out to ''not'' be the best idea.
** Averted in "Menace of the Conqueror Cavemen!", as the air vents are cramped. They also shake and make a good deal of noise when Batman and Booster crawl through them. Fortunately Kru'll isn't paying much attention.
* ''WesternAnimation/TheBatman''
** Justified when Ragdoll uses it; he is the most flexible person to have ever lived, and the air vent only needs to be big enough for his head to fit in, as many air vents are in RealLife.
** Also played straight in the episode "The Butler Did It" when Alfred has to escape from a room to warn Bruce. He pronounces it "quite a sticky wicket."
** And again in "Thunder" by Batgirl several times to escape from Zeus' henchmen on his airship, and to tinker with said ship's power supply.
* In the ''WesternAnimation/BatmanTheAnimatedSeries'' episode "The Cat and the Claw, part one", ComicBook/{{Catwoman}} uses the air vents to escape from the Multigon offices.
* In an episode of ''WesternAnimation/MaxSteel'', ''WesternAnimation/{{Detention}}'' Miss Kisskilya gets the only entrance gang in shape by locking up the school to a highly-secured building is lock them in the classroom, so they plot an escape through the air vents. The only vent.
* This is Lee's usual mode of transportation around the school in ''WesternAnimation/{{Detentionaire}}''. He started doing it to keep out of Principal Barrage's
way and off the security cameras, and by now has spent enough time in is by careful timing to avoid being sliced by a giant fan; the vents to know his way around very well and be able to get from one end two-thirds of the way up school to the wall in a room where other as fast by vent as he would using the floor is littered with explosive devices, and not only do the hallways. Other characters have used air vents have cameras, they're as well, though not to the same extent as the protagonist. The air vents of A. Nigma High also equipped with flamethrowers happen to house a red snake/lizard/dragon monster called a Tazelwurm, who could kill you in a second and is also the big bad school mascot. [[spoiler:He turns out to not be as dangerous as he looks, though.]]
* ''WesternAnimation/{{Dogstar}}'': After Boombah locks the crew
of the episode can activate at will.
* ''WesternAnimation/RobotChicken'' {{lampshade|Hanging}}d this
Valiant in an ''ComicBook/IronMan'' spoof. Two {{Mooks}} guarding The Mandarin's lair are able their cabins in "Robbie", Simone has to instantly determine that the deafening banging and screeching noises they hear are from Iron Man trying to sneak crawl through the air ducts.
vents to reach the bridge.
* ''WesternAnimation/JonnyQuest'' An earlier episode "Mystery of ''WesternAnimation/EdEddAndEddy'' about the Lizard Men". Jonny crawls though an air duct trio trying to escape from the title opponents.
* ''WesternAnimation/{{SpongeBob SquarePants}}'', "Truth or Square": after getting [[LockedInAFreezer locked inside the Krusty Krab freezer]], the gang makes their way out through the restaurant's labyrinthian ventilation system.
* Subverted in the ''WesternAnimation/JimmyTwoShoes'' episode "Jimmy in the Big House", when [[IdiotHero Jimmy and Beezy]] tries
watch a monster movie marathon had them use this to get out of prison by going through air vents. Suddenly, a screen pops out the bathroom and it's a video message from [[EnfantTerrible Heloise]] who lets them know that they have made it far in escaping but in her prison, there is NO ESCAPE! As a result, they are blown out of the air vents by the fans at high speed and back to where they were. In this case, it's probably [[JustifiedTrope justified]] since Heloise probably made the vents that big just to [[ForTheEvulz crush prisoner's hopes for escaping]].
* ''WesternAnimation/StarWarsTheCloneWars''
** Ahsoka once escaped Griveous this way.
** Ventress used the airvents to infiltrate and sabotage a Republic Star Destroyer unnoticed.
** Cad Bane infiltrated the Jedi Temple through the airvents. Doubles as AbsurdlySpaciousSewer.
** Ahsoka Tano and Barriss Offee escape from mind-controlled Clone Troopers by jumping into the air vents. Later in the episode, Ahsoka uses the same vents to travel
to the coolant control room and the bridge while she's running from Barriss.
** Aura Sing used these to attempt the assassination of Padmé.
** Subverted and lampshaded in "The Citadel". With the entry point the Jedi wanted to use blocked, Anakin and Obi-Wan muse how to
TV around Rolf(who was talking their ears off with another outlandish story). They do briefly get in, and Ahsoka points on the ventilation hatch. Anakin argues that they're too small to gain access, stuck, but in response Ahsoka points out, that they might be too small for Anakin, Obi-Wan and the clones, but she might be Ed is able to squeeze through -- which she is, although barely. In the next episode Obi-Wan's entire team tries to escape the Citadel in absurdly spacious airvents. However these had lethally effective security doors, and the warden at least had enough common sense to send at least one drone in the airvents.
** In "A Test of Strength" Hondo Ohnaka proves he is smart by immediately recognizing the trick and having smoke bombs dropped into the vents to flush
push them out the occupants.with relative ease.



* ''WesternAnimation/SpaceGhost'' episode "The Space Piranhas". Jan and Jace infiltrate an enemy base using the ventilation system. {{Lampshade|Hanging}}d when the BigBad says "As usual, the intruders have taken refuge in the ventilating system."
* Sam and Max, and Sam's granny Ruth, try to reach the prison warden this way in the ''WesternAnimation/SamAndMaxFreelancePolice'' episode "Christmas, Bloody Christmas" -- only, instead of the air vent, they go through the prison's ''water duct'', and end up in the shower room.
* ''WesternAnimation/TheAmazingSpiez'': The title team use this technique in episode "Operation Spy-Sitter".
* ''WesternAnimation/{{Birdman}}'' episode "The Quake Threat". When Birdman is trapped in an ElaborateUndergroundBase, Avenger the eagle breaks in through an air vent to save him.
* Zadavia stages one on Deuce's ship during the ''WesternAnimation/LoonaticsUnleashed'' episode "In Search of Tweetums, Part II".
* ''WesternAnimation/{{Archer}}'' is fond of this. Somewhat surprisingly, it's always played straight.
* Played straight in ''WesternAnimation/TheProblemSolverz'' episode "Badcat", when the solverz travel through a vent to reach Bad Cat's lair on the top floor of his casino.
* The strangely clean air ducts of the SHIELD Helicarrier are lampshaded in the ''WesternAnimation/UltimateSpiderMan'' episode "For Your Eye Only" which, as a spy movie parody with nods to ''Film/DieHard'', has Spidey using air ducts rather frequently.
* ''WesternAnimation/YoungJustice'':
** In "Homefront" - the DieHardOnAnX episode - Robin and Artemis spend a lot of time trying to avoid the Reds by crawling through the ducts; with varying degrees of success.
** In Season 2, a group of female team members do this in a bad guy's lair. The only one it makes sense for is Bumblebee who uses her shrinking powers to fit. On a more realistic note, all of the full-size heroines are shown having some difficulty maneuvering in the tight space.
* ''WesternAnimation/GravityFalls''. "The Inconveniencing": Dipper uses the HVAC vents to get into the abandoned Dusk 2 Dawn convenience store.
* ''WesternAnimation/{{Dogstar}}'': After Boombah locks the crew of the Valiant in their cabins in "Robbie", Simone has to crawl through the vents to reach the bridge.
* This is Lee's usual mode of transportation around the school in ''WesternAnimation/{{Detentionaire}}''. He started doing it to keep out of Principal Barrage's way and off the security cameras, and by now has spent enough time in the vents to know his way around very well and be able to get from one end of the school to the other as fast by vent as he would using the hallways. Other characters have used air vents as well, though not to the same extent as the protagonist. The air vents of A. Nigma High also happen to house a red snake/lizard/dragon monster called a Tazelwurm, who could kill you in a second and is also the school mascot. [[spoiler:He turns out to not be as dangerous as he looks, though.]]

to:

* ''WesternAnimation/SpaceGhost'' episode "The Space Piranhas". Jan Peter and Jace infiltrate an enemy base using the ventilation system. {{Lampshade|Hanging}}d when the BigBad says "As usual, the intruders have taken refuge in the ventilating system."
* Sam and Max, and Sam's granny Ruth, try to reach the prison warden this way in the ''WesternAnimation/SamAndMaxFreelancePolice'' episode "Christmas, Bloody Christmas" -- only, instead of the air vent, they go through the prison's ''water duct'', and end up in the shower room.
* ''WesternAnimation/TheAmazingSpiez'': The title team use this technique in episode "Operation Spy-Sitter".
* ''WesternAnimation/{{Birdman}}'' episode "The Quake Threat". When Birdman is trapped in an ElaborateUndergroundBase, Avenger the eagle breaks in through an air vent to save him.
* Zadavia stages one on Deuce's ship during the ''WesternAnimation/LoonaticsUnleashed'' episode "In Search of Tweetums, Part II".
* ''WesternAnimation/{{Archer}}'' is fond of this. Somewhat surprisingly, it's always played straight.
* Played straight in ''WesternAnimation/TheProblemSolverz'' episode "Badcat", when the solverz travel through a vent to reach Bad Cat's lair on the top floor of his casino.
* The strangely clean air ducts of the SHIELD Helicarrier are lampshaded in the ''WesternAnimation/UltimateSpiderMan'' episode "For Your Eye Only" which, as a spy movie parody with nods to ''Film/DieHard'', has Spidey using air ducts rather frequently.
* ''WesternAnimation/YoungJustice'':
** In "Homefront" - the DieHardOnAnX episode - Robin and Artemis spend a lot of time trying to avoid the Reds by crawling through the ducts; with varying degrees of success.
** In Season 2, a group of female team members
Brian do this in an episode of ''WesternAnimation/FamilyGuy'', complete with a bad guy's lair. The only one ShoutOut to ''Film/DieHard''. They don't make it makes sense for is Bumblebee who uses her shrinking powers to fit. On a more realistic note, all the way in stealthily, though, Peter's large girth causes the vent to give out and dump them right in the middle of the full-size heroines are shown having some difficulty maneuvering in the tight space.
* ''WesternAnimation/GravityFalls''. "The Inconveniencing": Dipper uses the HVAC vents to get into the abandoned Dusk 2 Dawn convenience store.
* ''WesternAnimation/{{Dogstar}}'': After Boombah locks the crew of the Valiant in their cabins in "Robbie", Simone has to crawl through the vents to reach the bridge.
* This is Lee's usual mode of transportation around the school in ''WesternAnimation/{{Detentionaire}}''. He started doing it to keep out of Principal Barrage's way and off the security cameras, and by now has spent enough time in the vents to know his way around very well and be able to get from one end of the school to the other as fast by vent as he would using the hallways. Other characters have used air vents as well, though not to the same extent as the protagonist. The air vents of A. Nigma High also happen to house a red snake/lizard/dragon monster called a Tazelwurm, who could kill you in a second and is also the school mascot. [[spoiler:He turns out to not be as dangerous as he looks, though.]]
prom.



* In the made-for-TV WesternAnimation/FelixTheCat cartoon "A Museum, The Professor and Rock Bottom", [[DumbMuscle Rock Bottom]] tries to escape from Felix in the art museum by using this tactic. It doesn't work, because not only can Felix clearly hear him travelling through the air conditioning vent, the vent is so small that Felix [[TravelingPipeBulge can see Rock's burly form squeezing its way through]]. He forces Rock out by setting the temperature so low, that Rock slides out the vent, frozen solid in an ice cube.
* ''WesternAnimation/{{Futurama}}'':
** Subverted: Fry and Bender try to escape from a brig through a steam pipe vent. Unfortunately, the steam pipe is full of steam. At least they got a good sauna out of it.
** {{Lampshade|Hanging}}d in ''[[TheMovie Bender's Big Score]]''. While trying to destroy a [[Franchise/StarWars "Death Star"]], Al Gore's head in a jar flies a through an air vent actually ''labeled'' "Achilles' Vent", lasers a-blasting, successfully destroying it.
** In ''[[TheMovie Bender's Game]]'', Fry and the other travel around [[BigBad Mom's]] factory through a tube that sends chickens to the enslaved Nibblonians. It works, but they have to shove their way through a lot of chickens.
* ''WesternAnimation/GravityFalls''. In the episode "The Inconveniencing", Dipper uses the HVAC vents to get into the abandoned Dusk 2 Dawn convenience store.
* Given her size, Jade from ''WesternAnimation/JackieChanAdventures'' utilizes these at times to get around places when no one else can. The episode "The Day of the Dragon" feature both her and the Dark Hand using the air vents to escape Section 13.
* In a ''WesternAnimation/{{Jem}}'' episode, Jem, Aja, and Shana do this to escape a locked room.
* Subverted in the ''WesternAnimation/JimmyTwoShoes'' episode "Jimmy in the Big House", when [[IdiotHero Jimmy and Beezy]] tries to get out of prison by going through air vents. Suddenly, a screen pops out and it's a video message from [[EnfantTerrible Heloise]] who lets them know that they have made it far in escaping but in her prison, there is NO ESCAPE! As a result, they are blown out of the air vents by the fans at high speed and back to where they were. In this case, it's probably [[JustifiedTrope justified]] since Heloise probably made the vents that big just to [[ForTheEvulz crush prisoner's hopes for escaping]].
* ''WesternAnimation/JonnyQuest'' episode "Mystery of the Lizard Men". Jonny crawls though an air duct to escape from the title opponents.
* ''WesternAnimation/KimPossible'' and Ron infiltrated this way in TheMovie. They do it quite a lot during the series.
* Zadavia stages one on Deuce's ship during the ''WesternAnimation/LoonaticsUnleashed'' episode "In Search of Tweetums, Part II".
* In an episode of ''WesternAnimation/MaxSteel'', the only entrance to a highly-secured building is through the air vents. The only way in is by careful timing to avoid being sliced by a giant fan; the vents end two-thirds of the way up the wall in a room where the floor is littered with explosive devices, and not only do the air vents have cameras, they're also equipped with flamethrowers the big bad of the episode can activate at will.



* In an episode of ''WesternAnimation/{{Detention}}'' Miss Kisskilya gets the gang in shape by locking up the school to lock them in the classroom, so they plot an escape through the air vent.
* An earlier episode of ''WesternAnimation/EdEddAndEddy'' about the trio trying to watch a monster movie marathon had them use this to get out of the bathroom and to the TV around Rolf(who was talking their ears off with another outlandish story). They do briefly get stuck, but Ed is able to push them out with relative ease.

to:

* In an Played straight in ''WesternAnimation/TheProblemSolverz'' episode of ''WesternAnimation/{{Detention}}'' Miss Kisskilya gets "Badcat", when the gang in shape by locking up solverz travel through a vent to reach Bad Cat's lair on the school top floor of his casino.
* ''WesternAnimation/{{Recess}}'': T.J. often uses this route
to lock them break himself and occasionally others out of detention.
* ''WesternAnimation/RobotChicken'' {{lampshade|Hanging}}d this
in an ''ComicBook/IronMan'' spoof. Two {{Mooks}} guarding The Mandarin's lair are able to instantly determine that the classroom, so deafening banging and screeching noises they plot an escape hear are from Iron Man trying to sneak through the air vent.
ducts.
* An earlier Sam and Max, and Sam's granny Ruth, try to reach the prison warden this way in the ''WesternAnimation/SamAndMaxFreelancePolice'' episode "Christmas, Bloody Christmas" -- only, instead of ''WesternAnimation/EdEddAndEddy'' the air vent, they go through the prison's ''water duct'', and end up in the shower room.
* ''WesternAnimation/TheSimpsons''
** Parodied in the 100th episode. Santa's Little Helper gets into the school ventilation shafts, and only a greased Scotsman can catch him....
-->'''Groundskeeper Willie:''' "Lunchlady Doris...'ave ye got any grease?"
-->'''Lunchlady Doris:''' "Yes. Yes we do."
-->'''Groundskeeper Willie:''' (tears off his clothes) "Then grease me up, woman!"
-->'''Lunchlady Doris:''' ... "Okee-dokee."
-->'''Groundskeeper Willie:''' "There's nary an animal that can outrun a GREASED SCOTSMAN!"
** This is how Homer spies on Mr. Burns meeting with terrorists, and would be caught if it wasn't PlayedForLaughs:
-->'''Homer:''' ''(scribbling on pad)'' I love spying.
-->''(terrorist picks up a bar of uranium; radioactive gas boils off the surface of the rod)''
-->'''Burns:''' "Don't worry
about those fumes. They'll be sucked into that air vent."
-->''(Homer moans from fumes, drops pad out of vent and onto
the trio floor)''
-->'''Burns:''' "This place is falling apart." ''(walks over, picks up pad and shoves it back into the vent)''
** In one of Homer's daydreams where terrorists take over the plant, Homer jumps from a standing position into a vent on the ceiling, then comes out in Burns' office to beat the terrorists up.
** In "Lard of the Dance", Bart and Homer crawl through the vents while
trying to watch a monster movie marathon had them use steal grease from the school cafeteria, followed by an angry Groundskeeper Willie. The passageway is wide enough that Homer and Willie can fight inside of it.
* In ''WesternAnimation/SonicSatAM'', most episodes that contain Robotropolis have the main characters in an air duct at LEAST once. Robotropolis is perhaps Air Duct Central, essentially one giant factory bathing in its own heated (polluted) air. Lots of cool (polluted) air has to be moved around to keep the place from overheating somehow. By the way, Robotnik hates
this trope:
-->'''Robotnik:''' [[TranquilFury Tell me, Snively, how did the hedgehog get past all my security]]?
-->'''Snively:''' Through an air duct, Dr. Robotnik.
-->'''Robotnik:''' An ''air duct?'' Then SEAL IT OFF!!
* ''WesternAnimation/SpaceGhost'' episode "The Space Piranhas". Jan and Jace infiltrate an enemy base using the ventilation system. {{Lampshade|Hanging}}d when the BigBad says "As usual, the intruders have taken refuge in the ventilating system".
* ''WesternAnimation/SpiderManTheAnimatedSeries'' constantly had Spidey doing this. During the Venom arc, after Peter finds the symbiote and experiences drastic changes to his personality, he considers but chafes at using the trope, saying "That's the old Spidey talking." He instead goes for the direct approach: kicking the steel door down and barging into Kingpin's meeting.
* ''WesternAnimation/SpongeBobSquarePants'', "Truth or Square": after getting [[LockedInAFreezer locked inside the Krusty Krab freezer]], the gang makes their way out through the restaurant's labyrinthian ventilation system.
* ''WesternAnimation/StarWarsTheCloneWars''
** Ahsoka once escaped Griveous this way.
** Ventress used the airvents to infiltrate and sabotage a Republic Star Destroyer unnoticed.
** Cad Bane infiltrated the Jedi Temple through the airvents. Doubles as AbsurdlySpaciousSewer.
** Ahsoka Tano and Barriss Offee escape from mind-controlled Clone Troopers by jumping into the air vents. Later in the episode, Ahsoka uses the same vents to travel to the coolant control room and the bridge while she's running from Barriss.
** Aura Sing used these to attempt the assassination of Padmé.
** Subverted and lampshaded in "The Citadel". With the entry point the Jedi wanted to use blocked, Anakin and Obi-Wan muse how
to get in, and Ahsoka points on the ventilation hatch. Anakin argues that they're too small to gain access, but in response Ahsoka points out, that they might be too small for Anakin, Obi-Wan and the clones, but she might be able to squeeze through -- which she is, although barely. In the next episode Obi-Wan's entire team tries to escape the Citadel in absurdly spacious airvents. However these had lethally effective security doors, and the warden at least had enough common sense to send at least one drone in the airvents.
** In "A Test of Strength" Hondo Ohnaka proves he is smart by immediately recognizing the trick and having smoke bombs dropped into the vents to flush
out the occupants.
* ''WesternAnimation/TeenTitans'':
** Exception; Titans Tower's quarantine lock-down system apparently ''does'' seal off openings to the air ducts, as seen in the episode "Haunted". (Robin got into the vents anyway....)
** Subverted in the same series: Cyborg is attempting an Air Vent Infiltration in the episode "Wavelength" when the walls roll up and the thing rotates, dumping him into an arena and a battle with Bumblebee which he very nearly loses. He should've thought twice about even coming across a vent ''big enough'' for his 6-foot, 200-pound chassis.
* This is a favorite route
of the bathroom and girls in ''WesternAnimation/TotallySpies'' for breaking in, clearly thanks to MaleGaze.
** Also done in the spinoff ''WesternAnimation/TheAmazingSpiez'' though vaguely more realistically due
to the TV around Rolf(who was talking their ears off characters being 13 (Lee), 12 (Marc and Megan) and 11 (Tony). Even more plausibly the character seen doing this the most is Tony who, due to his young age, would realistically fit.
* ''Franchise/{{Transformers}}''
** ''WesternAnimation/TheTransformers'' episode "The Ultimate Doom, Part 2" introduced ventilation ducts large enough for Transformers to stand inside. Spike, Bumblebee & Brawn go through a ventilation shaft that takes them to Decepticon HQ. They're on Cybertron, where everything is of the same scale as Transformers are to humans, but why would they need air anyway?
** And pulled again in ''WesternAnimation/TransformersAnimated'', episode "Decepticon Air". Optimus Prime crawls through the ducts (it seems to be a squeeze, letting him homage ''Film/DieHard'' as well) of a spaceship -- maybe the air circulates to keep the energon from heating up and getting unstable? He does use it as a makeshift bomb, after all.
** ''WesternAnimation/BeastWars'': Cheetor goes through the ventilation shafts of the Predacon ship after having been accidentally transported to ''The Darksyde'' in "Equal Measures".
* The strangely clean air ducts of the SHIELD Helicarrier are lampshaded in the ''WesternAnimation/UltimateSpiderMan'' episode "For Your Eye Only" which, as a spy movie parody
with nods to ''Film/DieHard'', has Spidey using air ducts rather frequently.
* {{Defied|Trope}} in ''WesternAnimation/WolverineAndTheXMen'': Wolverine and Gambit are trying to break into a secret lab to steal back a power inhibitor collar, and Wolverine suggests taking advantage of this trope. Gambit counters with: "Heh, only in the world of cinema. [[ThisIsReality In real life, they never hold]]." It certainly doesn't help that Wolverine's metal skeleton makes him about three times as heavy as a normal person.
* ''WesternAnimation/XMenEvolution''
** Subverted, with the vent being only a few inches long, big enough for people to climb into, having a ladder inside, and Blob gets stuck. However, it also has a large amount of security lids which Cyke was able to close to keep Mystique from escaping.
** Played with in
another outlandish story). They do briefly get stuck, but Ed episode. When the group is testing out the security of the mansion, Wolverine is able to push them out go to many parts of the mansion through the vents, and suggests something be done about them.
* ''WesternAnimation/YoungJustice'':
** In "Homefront" - the DieHardOnAnX episode - Robin and Artemis spend a lot of time trying to avoid the Reds by crawling through the ducts;
with relative ease.varying degrees of success.
** In Season 2, a group of female team members do this in a bad guy's lair. The only one it makes sense for is Bumblebee who uses her shrinking powers to fit. On a more realistic note, all of the full-size heroines are shown having some difficulty maneuvering in the tight space.



23rd Dec '16 11:46:02 PM Lullaby22
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* Used in the Hulu series ''Freakish'' to navigate the school and get into a chemistry lab without running afoul of the "freaks" (basically zombies). Justified in that the people crawling through the vent are Zoe and Amber, the smallest members of the cast, and the vents in question lead to a chemistry lab, which would need somewhat larger vents than the rest of the school.
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http://tvtropes.org/pmwiki/article_history.php?article=Main.AirVentPassageway