[[quoteright:230: [[Series/TheXFiles http://static.tvtropes.org/pmwiki/pub/images/Undercover_as_lovers_Mulder_Scully_4images_230_3274.jpg]]]]
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->'''[[TheCaptain Mal]]''': Whatever happens, remember that I love you.\\
'''[[NumberTwo Zoe]]''': Sir?\\
'''Mal''': [[IndyPloy Because you're my wife.]]\\
'''Zoe''': Right, sir. Honey.
-->-- ''Series/{{Firefly}}'', [[Recap/FireflyE02TheTrainJob "The Train Job"]]

Alice and Bob need a disguise. Maybe they're detectives, maybe they're spies, or maybe they're just on the run from the law. For whatever reason, the disguise they decide to adopt requires that they pretend to be a couple. HilarityEnsues!

This may be a sign of UnresolvedSexualTension between them; alternately, it can be used to highlight the ''lack'' of tension, by showing just how unnatural it feels to have them play the role. Either way, expect a huge amount of bickering and an agreement not to use tongues.

Subtrope of FakeRelationship.

Compare the rather briefer FakeOutMakeOut, which may become necessary at some points.

See also SmithicalMarriage, TheBeard.


[[folder:Anime & Manga]]
* In ''LightNovel/FullMetalPanic'', [[spoiler:Wraith and Lemon]] do this while they gather information for Tessa in Russia. There were definitely deeper feelings on [[spoiler:Lemon]]'s part, though [[spoiler:Wraith]] is harder to read.
* A flashback arc in the ''Manga/RurouniKenshin'' manga, and the anime's prequel OVA, revolves around [[ILetGwenStacyDie Kenshin]] in his assassin days posing with a young woman named [[PosthumousCharacter Tomoe Yukishiro]] as a married couple (more exactly, a herbalist/medic and his wife recently "arrived" to a tiny mountain village) to avoid Shinsengumi detection. It [[BecomingTheMask grows into real]] love just in time for things to [[MurderByMistake end]] [[DownerEnding poorly]].
* [[BadassLongcoat Hei]] and [[EmotionlessGirl Yin]] from ''Anime/DarkerThanBlack'' pose as newlyweds in order to hide out at a resort while on the run in the Gaiden OVA.
* ''Manga/{{Trigun}}'': Millie Thompson and Nicolas Wolfwood perform this, but in a twist it's not to protect themselves; it's to hide an [[TwoMenOneDress escaping slave by hiding her under Millie's dress]], [[PillowPregnancy with her posing as a pregnant woman.]] Millie and Nicolas then stroll along, pretending to be a happy expecting couple as the slave's pursuers pass them by.
* [[SubvertedTrope Subversion]] In ''{{Anime/Pokemon}}'': Upon learning that James was an heir to a large fortune and could come upon that inheritance just by marrying, Jessie initially suggests that she and James falsify a wedding to each other in order to steal the inheritance. [[spoiler:But then they learn that James already had a betrothed and really, really did not want to cross paths with her... Ironically this would have made Jessie's plan even easier had they gone through with it, since [[IdenticalStranger she looks exactly like James' fiance]].]]
* In the ''Franchise/{{Gundam}}'' manga ''Char's Deleted Affair'', Char and a young Haman masquerade as newlyweds on vacation when visiting the colonies from Axis, to check up on the situation with other Zeon remnants in the Earth Sphere. [[spoiler:This trip is the source of that picture from ''[[Anime/MobileSuitZetaGundam Zeta Gundam]]'' that apparently shows them as a couple. In actuality, Haman had a huge crush on Char [[PrecociousCrush when she was younger]], but he never reciprocated, which... [[WomanScorned got her a little upset to say it politely]].]]
* ''Franchise/GhostInTheShell'' has a variation. A wealthy businessman being targeted by a thief [[spoiler:actually Section 9]] is hosting what amounts to a very high-class {{Robosexual}} party. In order to get inside without arousing alarm, [[DaChief Aramaki]] and the Major attend, with the Major posing as Aramaki's SexBot, since she has a full-body prosthetic, making her essentially indistinguishable from an android. Aramaki, being a high-level government official with numerous connections, is able to go as himself without arousing suspicion. It is quite clear that the Major does ''not'' like this plan.
* ''LightNovel/SpiceAndWolf'' shows the two main characters Lawrence, who is a traveling merchant, and Holo, a female wolf spirit taking on the form of a teenaged girl, use this excuse. Lawrence when asked about who Holo is will typically respond with either "my lover", or "my wife", so he doesn't have to explain that she's actually a wolf spirit. This brings Holo no end of amusement as she likes to tease him. [[spoiler: By the end of the series this is no longer an excuse as they become HappilyMarried for real.]]
* Izumo Kusanagi and Seri Awashima, the oft-ShipTease'd Red and Blue Clan NumberTwo's in ''Anime/{{K}}'', check into a party they're infiltrating together as "Mr. and Mrs. [pseudonym]". When she mentions it, he replies, "[[Creator/TakahiroSakurai Yes,]] [[ActorAllusion my]] [[Anime/CodeGeass honey~]]"

* During the ''ComicBook/CivilWar'' story line, [[ComicBook/FantasticFour Sue and Johnny Storm]] had to pose as Lovers. Being siblings, this obviously was extremely [[{{Squick}} Squicky]] for them.

* In the ''Franchise/{{Castlevania}}'' fic ''[[https://www.fanfiction.net/s/10752005/9/Bonds-of-Vanity Bonds of Vanity]]'', Maria and Alucard are stuck needing to get a pendent back from the villain without revealing how powerful it is. So on the fly, Alucard claims it was his engagement gift to Maria. [[UnresolvedSexualTension Considering how they were acting during the rest of the story,]] not only does villain have no trouble buying this, their own ally has to remind himself it's a cover story.

* ''Film/JamesBond'' examples:
** ''Film/FromRussiaWithLove'': James and Tatiana Romanova attempt to exit Turkey via the Orient Express as a married pair of British vacationers.
** ''Film/TheSpyWhoLovedMe'': James and Major Amasova, while visiting Stromberg.
** ''Film/CasinoRoyale2006'': Bond and Vesper Lynd at the poker game.
* The first ''Film/{{Austin Powers|International Man of Mystery}}'' movie did this, complete with clueless Austin using the inappropriate pseudonyms Richie Cunningham and Oprah.
* ''Film/TheFourthProtocol''. The KGB agent played by Pierce Brosnan picks up his 'wife' (actually a female military scientist) from the airport, and suggests they share the bed as per their cover story (he's been getting rather frustrated thanks to a flirtatious neighbour). She tells him to get lost, but they end up sleeping together anyway after a sweaty session [[spoiler:assembling an atomic bomb. Subverted when he kills her the next day as per his orders.]]
* Lois and Clark in ''Film/SupermanII''. They pose as a honeymooning couple to expose a corrupt hotelier.
* ''Film/TheEvilThatMenDo''. The hitman protagonist insists a woman and child accompany him, as a family draws less attention from the authorities. Unfortunately this backfires when the child is captured by the bad guys.
* In ''Film/GetSmart'' Max and 99 are ''supposed'' to use this as their entry cover into Russia, but they're made by GiantMook Dalip before they even leave the plane.
* ''Film/CaptainAmericaTheWinterSoldier'': While on the run from S.H.I.E.L.D. and doing some hacking in a mall, Cap and Black Widow pretend to be fiances looking up honeymoon sites.
-->'''Apple Employee''': Congratulations, where you guys thinking about going?
-->'''Steve''': (''glances at computer screen'') ...New Jersey.
* ''Film/MrAndMrsSmith2005'': This is how John and Jane first met and became a (fake) couple--they needed to escape the attention of local authorities who were looking for single people traveling separately. Then they enter into a SmithicalMarriage using each other as cover. It's perfect...except for the part where the sham marriage is becoming increasingly strained because (naturally) they don't spend any significant time getting to know each other.
* ''The Infiltrator'' (2016). An undercover U.S. Customs agent is married, so he turns down a beautiful prostitute arranged for him by the bad guys. To keep his cover he tells them he's engaged, but then Customs insists on providing a female agent as his fiancee. She turns out to be quite good at her role, though there's is a moment of sexual tension when they almost have GladToBeAliveSex after witnessing a murder. There's also an unpleasant scene when a criminal comes across him having an anniversary dinner with his real wife. He has to pretend she's his secretary who he's rewarding for her good work, and then (to the shock of his wife) [[BecomingTheMask insults and brutally assaults]] the waiter for bringing him the 'wrong' cake (marked Happy Anniversary).
* In ''Film/{{Allied}}'', Max and Marianne pose as husband and wife in Casablanca.

* The ''Literature/HeraldsOfValdemar'' series by Creator/MercedesLackey:
** In the ''Oathbound'' series, Kethry and Tarma pretend to be lovers on a few occasions. They're actually HeterosexualLifePartners, but there's enough LesYay between them that they pull it off.
** Talia and Kris did the same to fool possible spies during their diplomatic mission to Hardorn in ''Arrow's Fall''. Having once had a just-friends sexual relationship, they were able to be very convincing about it.
* In ''Single & Single'' by Creator/JohnLeCarre, Oliver Single and his bodyguard/minder Aggie travel to Berne using his [[WitnessProtection alias]] Hawthorne, with Aggie using the name of his ''ex-wife''. When they believe they've been spotted by the bad guys, the switch to another pair of pre-arranged identities--a married couple again--before making an unscheduled and unauthorized escape to Istanbul.
* In ''Franchise/PerryMason'', the title character and [[SubordinateExcuse Della Street]] disguise as a couple with a baby in the "Case of the Deadly Toy", to hire a babysitter they need to question.
* In ''Literature/TheDresdenFiles'', that's how [[OurVampiresAreDifferent Red Court Vampires]] frequently operate. Pretending to be a married couple makes it easier to deal with law enforcement agencies, your actions are considered less suspicious and people generally trust you more.
* In the ''Literature/SwordOfTruth'' series, Jennsen and Sebastian use this technique while at the People's Palace. Jennsen seems to be fine with Sebastian's suggestions, until he decides that she should pretend to be pregnant, as well.
* Dusty Fog and Belle Boyd pose as husband and wife in ''The South Will Rise Again'' by Creator/JTEdson.
* ''ComicBook/XWingSeries'': When Rogue Squadron infiltrated Imperial Center in various disguises, some of them posed as lovers, most notably Corran and Erisi.
* A variant in ''Literature/HonorHarrington'': Kevin Usher creates the (false) perception that his wife Ginny and protege Victor Cachat are having an affair. It allows them to use this trope without anyone thinking they're actually ''working'', but the real reason is to protect Ginny and Victor in case the next Havenite political shakeup results in Kevin facing a firing squad. Victor hates it, partly because it makes him out to be a total scumbag, and partly because Ginny really enjoys teasing him. The ruse is abandoned after Victor gets an actual girlfriend.
* The setup for ''[[Literature/CutAndRun Fish and Chips]]'' is that FBI partners Zane Garrett and Ty Grady must pose as a married couple on a Caribbean cruise, pretending to be two of the partners in an art smuggling ring. Unknown to everyone else, Zane and Ty are already lovers, but are having trouble with the emotional side of their relationship; being forced into public demonstrations of love and affection wrenches them both in to a new understanding of how they might feel about each other.
* In ''Literature/LeeNez: Surrogate Evil'', Lee and Diane use this during an operation to catch a particularly vile scumbag named Newton Glover. It's helped along by the fact that by this point in the series the two of them actually ''are'' lovers.
* Defied and inverted in ''Literature/ThePuppetMasters''. The Boss makes Sam and Mary go undercover as brother and sister, precisely because he knows that their relationship will have a lot of sexual tension that needs to be kept under control (and he somehow knows this even though Sam and Mary haven't met).
* Discussed in ''LightNovel/TheUnexploredSummonBloodSign'', when Kyousuke and the White Queen need to infiltrate a hotel. There's a musical in the local area that features them as the main characters, so Kyousuke pretends that the White Queen is actually the actress playing her, and that he's another staff member dressed as himself (to help the supposed actress rehearse her role). He then considers also pretending that they're secretly lovers, to justify them acting suspiciously.
* Taken a step further in ''Literature/AlexRider: Skeleton Key''. Alex is loaned to the CIA for a mission into Cuba with a male and female pair of operatives. The CIA reasons that their Cuban counterparts would reason one traveler alone to be an operative, a male and female duo to be this trope, but a male and female with a teenage boy? That's gotta be a family.

[[folder:Live Action TV]]
* ''Series/TheAvengers'' does it in ''Death on the Rocks'' where Steed and Cathy Gale must pretend to be husband and wife--probably the UrExample since it was from 1962 and there just aren't many series prior to that where the woman had enough of an active role to get an undercover mission (and to have UST, since that implies that her main role in the series isn't already to be a love interest).
* ''Series/{{Firefly}}'':
** In "The Train Job", Captain Mal Reynolds and his second in command Zoe are on a shady job, stealing goods from The Alliance. They are questioned by a local sheriff, and Mal decides on the spot that a married couple looking for a job will be the best cover-up story.
** [[BoisterousBruiser Jayne]] and [[TheCaptain Mal]] pretend to be husband and wife in one episode. Hilarity ensues. Mal jokes he likes wearing a dress and a pretty bonnet.
* ''Series/{{NCIS}}'', "Under Covers": Tony and Ziva pose as a [[BattleCouple husband and wife team of assassins]] and fake having sex more times than is really necessary to maintain their cover.
** Not to mention the act is apparently so convincing they fool the FBI agents who are secretly monitoring them, who insist, even after being ''told repeatedly'' that the entire situation was an act, that they can't be fooled and it was real. [[BrickJoke Five seasons later]], it's implied that the sex was real.
** [=McGee=] and Bishop posed as husband and wife to catch an actually married pair of killers. Rarely, this did not heighten already present UST or result in newfound UST between them. If anything, she ended up confiding in him about her troubled marriage.
* ''Series/NCISLosAngeles'', does it as with Kensi and Deeks. It happens on a fairly regular basis, actually, to the point that it's only notable when they have to maintain it for an extended period of time (such as one episode where they had to live together to infiltrate a gated community.)
** Sam goes undercover as the partner/boyfriend of a female undercover agent pretending to be an assassin. They have no problems convincing people that they are a couple because the female agent is actually Sam's real wife. The awkward parts comes when the BigBad wants her to dump her boyfriend and hook up with him instead.
* Happened on ''Series/TheBill'' at least once.
* On the second season of ''Series/{{Supernatural}}'', Jo poses as Dean's girlfriend in order for them to investigate an apartment where various girls had gone missing.
** There is also an episode in Season 3 in which Dean and Bela pretend to be a couple at a social event in order to steal a HandOfGlory from the place.
** In "A Very Supernatural Christmas", Sam and Dean pose as a couple in order to get information on how the MonsterOfTheWeek is distributing {{McGuffin}}s to the victims. As they are siblings who are frequently MistakenForGay, this is awkward.
* Averted on ''Series/NewTricks'', when Brian is paired up with a young and beautiful professional undercover cop. He explains the situation very cautiously to his wife - only to be discomfited when she bursts out laughing.
* Happened on ''Series/{{Bones}}'', in an episode where Booth and Brennan go undercover as married circus performers.
** And there's the episode where they go to Las Vegas and pose as a "loosely committed" couple. (Read: Brennan nixed the idea of marriage because she doesn't believe in it)
** Season 5 has an episode where they go semi-undercover to Bones' high school reunion, with Booth posing as her husband. Made a thousand times more awkward by the fact that [[spoiler: this came right after the episode where he confessed his love for her and she said she didn't want to start a relationship.]]
** Done a fourth time in the season 6 finale, with a twist: at the end of the episode, [[spoiler:Brennan reveals that she's carrying Booth's baby (the previous episode had implied that they'd slept together), and they actually ''do'' become a couple thereafter.]]
** One episode has Angela and Sweets going undercover as a couple to nab possible murder weapons.
* ''Series/VeronicaMars'' did this to Logan at the Neptune Grand once to look for his mother.
* ''Series/{{Life On Mars|2006}}''. Sam Tyler and WPC Cartwright pose as a married couple to investigate a wife-swapping group. Interestingly the most UnresolvedSexualTension comes not from this situation, but in the scene where they're making up a MeetCute cover story.
* ''Series/TheXFiles'', "Arcadia": Mulder and Scully pose as a married couple while investigating a [[TownWithADarkSecret Planned Community With A Dark Secret]]. Given their CelibateHero nature, it was more an opportunity for snarking at each other than UnresolvedSexualTension. Such as Mulder claiming they [[MeetCute met at a UFO conference]]. "She's into all that New Age stuff. I don't know why she falls for it." Scully somehow manages to give a shamefaced smile through gritted teeth. Every fan knows Mulder was lucky to escape that assignment with his life. Or other important parts... The funny aspect about that episode is that it wasn't originally classified as an X-File. It was simply a missing persons case in a creepy town. Which means that whoever was running the case though that out of all the male/female partnerships in the FBI qualified for the case, ''Mulder and Scully'' would be most believable as a married couple.
* ''Series/LaFemmeNikita''. Nikita and Michael did this on several occasions. In one episode they're flat out told by their controller that they're to have sex.
* Lois and Clark in ''Series/LoisAndClark'', ''again'' posing as a honeymooning couple. This time it was to spy on the bad guys across the street from the hotel.
* ''Series/{{Threshold}}''. In order to investigate a small town called Allenville, Caffrey and Cavanaugh pose as newlyweds looking for a home. Far from being uncomfortable with this, they handle it very professionally, even joking about themselves as a married couple throughout the episode. It helped that virtually every episode saw them adopting cover identities of some sort, albeit usually impersonating one federal agency or another.
--> '''Cavanaugh:''' I'm good at destroying things.\\
'''Caffrey:''' That's why I married you. ''(both smile)''
* ''Series/BabylonFive'': During the Earth Alliance Civil War arc, Marcus and Franklin adopt false [=IDs=] to sneak onto Mars. The Resistance's access to fake [=IDs=] is "limited to what [they] can steal", so they end up taking the [=IDs=] of ''newlyweds'': Jim Fennerman and Daniel Lane, on Mars for their honeymoon. Not especially sensical, but [[RuleofFunny very funny]]. Also noteworthy for the fact that no one (even Marcus and Franklin, after the initial "WHAT!?" reaction) [[SocietyMarchesOn finds it unusual]], and nobody is concerned that two men posing as newlyweds would attract attention (the ''last'' thing they need during a covert operation).
* In ''Series/KnightRider 2008'', Mike and Zoe pose as a honeymooning couple in the course of an investigation in a Mexican resort.
* This happens over and over in ''Series/{{Chuck}}'', usually when they attend parties that the big baddie is throwing.
** More important than episode-by-episode missions, it's their overall background story. Chuck maintains his normal pre-spy life. Sarah stays close to him as a guide and guard, and for the first two seasons, their cover story to all his friends and family was that they were boyfriend and girlfriend.
** In one episode this is the premise, in which Chuck and Sarah pose as a just-married couple in order to investigate a suspicious neighbourhood. This actually forms part of the larger plot between Chuck and Sarah, in that both of them realise that it's the life they want to have together but never can.
** Given that Sarah is the only female on their team, she's been paired with everyone except for Casey for missions like these, generally to play up the UnresolvedSexualTension and/or jealous rage of Chuck.
* Series/{{Monk}} and Sharona, while investigating a marriage counseling retreat in the episode "Mr. Monk Gets Married". The counselor's response to finding out that they're not married is "Oh, thank God. Keep it that way."
* Surprisingly for a show in which the main characters adopt new identities in every episode, ''Series/{{Leverage}}'' does this rarely; however, in "The Mile High Job", Nate and Sophie pretended to be a couple while boarding an airplane, and then got into an argument over their past history while working on their cover story.
** Hardison and Parker have also posed as a couple a couple of times. Most notably in "The First David Job" where they make out to cover for opening a door. Then there's "The Ice Man Job" where she's the girlfriend to his diamond merchant (the titular "Ice Man"), and finally "The Fairy God Parents" where they pose as newly-weds when looking at an apartment.
** Hardison and Eliot also posed as a couple to get in and see Nate in "The 12-Step Job". Eliot was less than pleased.
* In one episode of ''Series/BloodTies'', Vicki infiltrates a fertility clinic by posing as a patient and gets Mike to pose as her husband.
* In ''Series/TheMentalist'', Patrick Jane does this with his supervisor, Teresa Lisbon. He didn't precisely ''need'' to, and was more likely than not doing this to patronize her without fear of backlash. On the other hand, it could be because the writers know that there are ''crazy'' Jisbon shippers out there. Whom they like to taunt. With ''slow-dancing''.
* In ''Series/{{Castle}}'', Castle and Beckett pose as a BDSM-couple to infiltrate an exclusive high-class dungeon. Beckett takes a great deal of pleasure in expressing a desire to make Castle, cast here as the submissive boyfriend, 'squirm'.
** Later subverted when the two of them go undercover as newlyweds at an Old West-themed resort to solve a murder. The subversion comes from the fact [[spoiler: that they married at the end of the previous episode, so they are indeed newlyweds]].
* ''Series/LawAndOrderSpecialVictimsUnit'':
** Happens a number of times for Benson and Stabler.
** In "Wildlife", Elliot goes off the radar while undercover as an animal smuggler. Olivia sneaks in to check on him, but is caught by the smugglers. She poses as his prostitute, which involves [[ShipTease the two of them in their underwear]].
** in "Bombshell", Elliot and Olivia pose as a married couple experimenting with the swinger lifestyle to get into an exclusive swinger's club. Strangely, this one has the ''least'' amount of tension between them.
** In "Ace", they pose as an infertile couple looking to pay for a baby to bust a child-smuggling ring.
** In "Father Dearest," the detectives need information about a particular donor at a sperm bank. [[LesYay Olivia and Amanda Rollins]] go to the sperm bank posing as a couple "ready to take the next step."
* ''Series/SueThomasFBEye'' had UnresolvedSexualTension couple Sue and Jack do undercover several times. The first time it was treated as a big deal but later on it became common place.
* {{Subverted}} in ''Series/{{Undercovers}}'', where the lead agents ([[Series/DoctorWho Tish Jones]] and [[Film/ResidentEvilAfterlife Luther]]) are ''actually husband and wife''.
* ''Series/LieToMe'' has Cal and Gillian go undercover as a kinky couple who want to make a porno to find a missing girl. This includes Gillian [[ShipTease talking about liking bondage and the two sharing quite a kiss.]]
* ''Series/BionicWoman'' (2007 remake). In "The List" Jaime Sommers and CIA agent Tom Hastings travel to Paris as a married couple. It doesn't help that they had sex in the previous episode and [[EverythingsSexierInFrench Tom can speak French]], but Tom decides they need to focus on the mission -- leading to more distracting sexual tension than if they'd just slept together.
* In ''Series/JackOfAllTrades'', Jack and Elaine have to pose as lovers when infiltrating Marquis de Sade's BDSM-themed island resort. They also have to adapt a dom/sub relationship. No guesses who ends up which.
* In one episode of ''Series/TheSarahJaneAdventures'', Clyde and Rani pretend to be a married couple of journalists. The faked marriage raises fewer eyebrows than the fact that they're supposed to be writers for a magazine aimed at senior citizens.
* On ''Series/{{JAG}}'', Mac and Clayton Webb went undercover as husband and wife on a CIA mission in Paraguay in season 8/9.
* Assignment 5 of ''Series/SapphireAndSteel'' has the titular beings pose as a married couple. [[TheSpock Steel]] is nonplussed by the arrangement, but Sapphire has fun winding him up by asking things like what side of the bed he wants.
* On ''Series/{{Graceland}}'' the main characters are federal undercover agents and have to do this from time to time. Charlie recruits Mike to act as her boyfriend when she has to go to a sleazy bar to make a delivery for Paige. If she went in by herself all the sleazy men would start hitting on her and she would have too many people looking at her. She even tells Mike to "grab her ass" to sell people on the idea that he is her cocky, possessive boyfriend.
** When Briggs and Charlie go undercover as a junkie couple it is revealed that last time they assumed these roles they actually hooked up for real. Since they had ended the relationship years ago, they now play their undercover identities as a couple who broke up but still remained friends. However, they have to do a FakeOutMakeOut to avoid blowing their cover and it heats up the sexual tension between them again. They almost end up having sex but stop themselves when they realize that the attraction is purely physical and caused by the danger they are in. They go back to being just friends.
* This is the framing device for ''Series/{{Spaced}}''. Tim and Daisy meet in a cafe, both reading through newspapers looking for housing. They discover an advert for an affordable tenancy but which is "professional couple only", and poses as partners in order to find somewhere to live.
* Happens on occasion in ''{{Series/Spooks}}''[[note]]''retitled'' MI-5 ''in the United States''[[/note]] whenever two MI-5 officers needed to go undercover. For the most part, however, they act as consummate professionals. Quizzing one another on their fabricated background happens far more often than them letting their personal feelings interfere with their operation. In something of a precedent for this show, the very first time it happened in episode two, it ended with [[spoiler: Helen, the "wife", being gruesomely murdered by having her head shoved into a deep-fat friar.]]
* ''Series/PersonOfInterest''. In "High Road" the POI lives in the suburbs. Given that [[PersonWithTheClothing The Man In The Suit]] sticks out somewhat, Finch arranges for Reese to move into the house next door, and in a twisted sense of humor, Reese asks [[TheFixer Zoe Morgan]] to join him [[WithThisRing by handing her a diamond ring]] and [[ShipTease asking if she'd marry him]]. Despite SmallTownBoredom the partnership actually works quite well, and the end of the episode has Zoe suggesting they stay an extra night before 'divorcing'. [[DidTheyOrDidntThey Just to finish their game of poker, of course.]]
* In the second season finale of ''Series/BrooklynNineNine'', Jake and Amy confront their slow-burning {{UST}} and try to convince themselves that they're BetterAsFriends. So, of course, among many other awkward potentially romantic situations the episode throws them into at one point they have to pose as a couple on a date in order to infiltrate a restaurant without their suspect being any the wiser.
* ''Series/AgathaRaisin'': In "Agatha and the Walkers of Dembley", Agatha and James go undercover to investigate the walking group. Much to James' consternation, Agatha introduces them as husband and wife.
* ''Series/XenaWarriorPrincess'' makes use of this, pairing the titular Xena with Autolycus as [[XenaS01E17TheRoyalCoupleOfThieves The Royal Couple Of Thieves]], though couple may be overstating it as, to Xena’s annoyance, they pose as Lord and concubine. HijinxEnsue as they attempt to recover a priceless chest while maintaining their cover, including a double subversion of NotWhatItLooksLike while [[spoiler:caught attempting to hide the chest in [[ThereIsOnlyOneBed their bed]], but must play it off as ''what it looks like''.]]
* ''Series/Daredevil2015'': After Elliott "Grotto" Grote escapes the Punisher's massacre of the Kitchen Irish, he makes it to Josie's Bar, where he approaches Nelson & Murdock and asks them to help him get witness protection. He then collapses due to an unseen injury he obtained from shrapnel during the shooting. Karen takes him to the hospital, checking him in under an assumed name while claiming to be his wife and claiming to the nurse that he got injured in a bar fight defending her honor. Too bad they don't have much time to set the story up before Frank Castle manages to track them down.
* ''Series/AgentsOfSHIELD''
** In the episode [[Recap/AgentsOfSHIELDS2E4FaceMyEnemy "Face My Enemy"]], Coulson and May go undercover as husband and wife, leading to a ton of ShipTease between the two.
** As it turns out, that wasn't the first time. Flashbacks to their early days in [[Recap/AgentsOfSHIELDS4E14TheManBehindTheShield "The Man Behind the Shield"]] have May mocking Coulson for the time they went undercover [[TheArtOfBraRemoval and it took him over two minutes to get her bra off]].
--->'''Coulson:''' I was acting! For the cameras!
* In the ''Series/InspectorGeorgeGently'' episode 'Peace and Love', Gently very briefly insinuates that he and Bacchus are lovers in order to access a club that the VictimOfTheWeek and one of their suspects met in. Naturally, for his rather bigoted self, Bacchus [[GayBarReveal is horrified once he catches on after a patron compliments Gently on his success.]]
* ''Series/{{Lucifer}}''. In "Til Death Do Us Part", Lucifer and Pierce have to pose as a gay married couple. Needless to say, HilarityEnsues.


* In the musical ''Baker Street'', Sherlock Holmes and Irene Adler disguise themselves as a low Cockney couple, Mr. and Mrs. Brasser Bates of Bethnal Green.

[[folder:Video Games]]
* Guybrush and Morgan in ''VideoGame/TalesOfMonkeyIsland: The Lair of the Leviathan'' have to fake being a married couple for Coronado de Cava so he would help them, as they were all trapped within a giant manatee and Coronado was neurotic and thought that Guybrush wanted something with the Voodoo Lady.
* In ''VideoGame/MetalGearSolid4GunsOfThePatriots'', [[spoiler:Roy Campbell and Rosemary pretend to be wed to one another (much to the disgust of most everyone else, considering [[MayDecemberRomance Roy is old enough that Rose could pass as his daughter]]) to protect Rose from being used as a hostage against her ''actual'' boyfriend Raiden by the Patriots]].
* It's mentioned in ''VideoGame/StreetFighterAlpha'' that [[TheAce Charlie Nash]] and [[ActionGirl Chun-Li]] have done this in the past.
* Occurs in Persona5 during Makoto's confidant story arc. The protagonist and Makoto are initially mistaken for a couple then use it as a cover for a double date investigation. Whether or not they become an actual couple depends on the player's choice.
** This trope applies to the Ohya confidant link as well.

* In ''Webcomic/{{Gaia}}'', the thief Viviana and her reluctant ally Ilias [[http://www.sandraandwoo.com/gaia/2012/11/30/shadowdancers-067/ pretend to be engaged]] in order to avoid arousing suspicion. The blatant FoeYay is only increased since she didn't see a need to tell him beforehand.
* ''Webcomic/LeifAndThorn'': Thorn needs a ride in an ambulance; friends can't ride along, only family; Leif is obviously not a blood relation. The solution: [[http://leifandthorn.com/comic/an-incredibly-platonic-storyline-4864/ claim Leif is his husband]].

[[folder:Web Original]]
* In ''Roleplay/TheGamersAlliance'', [[ChildMage Micah]] and [[MasterOfIllusion Shuu]] go undercover as lovers to infiltrate [[SorcerousOverlord Enenra's]] fortress in Hyama. Micah, who's straight, isn't really comfortable with it, and Shuu teases him about it to no end.
* In ''The Podcast/RedPandaAdventures'', the eponymous Red Panda and his sidekick pose as a married couple in Episode 8: "Curse of Beaton Hall" to explore the mystery. They do so badly due to UnresolvedSexualTension and their somewhat snark master-servant relationship. This is given a shoutout in Episode 49: "Nightshade" where [[spoiler:after they were married in the prior episode in their civilian identities]], an enemy agent comments on how flimsy their disguise as a married couple is, right down to his sidekick still referring to him as "Boss."

[[folder:Western Animation]]
* Happens briefly in the ''WesternAnimation/AvatarTheLastAirbender'' episode "The Headband" with Sokka and Katara, the latter even pretending to be pregnant. This being a {{Creator/Nickelodeon}} show, the {{Squick}}iness of their actually being brother and sister is not addressed.
* In ''WesternAnimation/TheLegendOfKorra'', Korra and Mako go undercover in order to infiltrate an Equalist gathering. Considering they do become the OfficialCouple at the end of the season, this is almost certainly intended as ShipTease for them. [[spoiler: Nevermin that they decide to stay as JustFriends two seasons later.]]
* An episode of ''WesternAnimation/SouthPark'' that portrayed all the major players of the 2008 US Presidential Elections (with the exception of Joe Biden) as a gang of ludicrously high class thieves, UsefulNotes/BarackObama and Michelle Obama were portrayed as this. They really hook up at the end.
* In one episode of ''WesternAnimation/SuperRobotMonkeyTeamHyperforceGo'', Sprx and Nova have to pretend to be a married couple in order to trick the [[EvilElevator Elevator Monster]] into taking them to wherever it is taking people to. He seems quite happy about it, she doesn't.
* Played with on ''WesternAnimation/YoungJustice,'' when ComicBook/{{Superboy}} and [[GreenSkinnedSpaceBabe Miss Martian]] go undercover as ''brother and sister'' despite all the UnresolvedSexualTension in their relationship since they're impersonating an actual brother-and-sister supervillain duo. [[AnIcePerson Icicle Jr.]] is naturally quite {{Squick}}ed when they start making out.
* In one episode of ''WesternAnimation/StarWarsTheCloneWars'' Ahsoka needed an exuse for why she was with Lux, when he went to make a deal with the Death Watch, and she got involved. She claimed she was his betrothed.
* ''WesternAnimation/PhineasAndFerb'' pulls an [[InvertedTrope inversion]] of this trope in "Tales from The Resistance" with the AlternateUniverse versions of [[spoiler:Doofenshmirtz]] and [[spoiler:Charlene]]. [[spoiler:They're HappilyMarried but pretending to be divorced.]]

[[folder:Real Life]]
* In his book ''The Greatest Battle'' (on the Battle for Moscow in UsefulNotes/WorldWarII) Andrew Nagorski interviewed two former members of an NKVD special forces unit who were ordered to go Undercover as Lovers (in the belief that a married couple would draw less attention) who, despite their initial awkwardness, ended up getting married for real.