"God bless the King—I mean the faith's defender;Combination of Swapped Roles, Identical Stranger, Princess for a Day and Fish out of Water. Two physically identical people from different backgrounds swap roles (either by fate or by arrangement) and have to learn how to fake being each other. Everyone has An Aesop before episode's end, usually something to do with the grass being greener on the other side. Comes from the story The Prince and the Pauper by Mark Twain, and is regularly used in Disney TV movies, but not commonly in TV episodes, unless twins are involved. If one is literally a prince (or other royalty), there will usually be a plot by the Evil Chancellor to depose him underway when the switch happens. Compare with Emergency Impersonation and "Freaky Friday" Flip. Also see Twin Switch and Mock Millionaire.
God bless (no harm in blessing) the pretender;
But who pretender is, or who is King—
God bless us all—that's quite another thing."
God bless (no harm in blessing) the pretender;
But who pretender is, or who is King—
God bless us all—that's quite another thing."
— John Byrom
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Anime and Manga
- This happens in Turn A Gundam when the queen of the Moonrace decides to switch places with a lookalike on a whim. This has severe repercussions on both characters and on the war between the Moonrace and Earthrace, ultimately culminating in the lookalike going to be Queen of the Moonrace in the actual queen's place
- Lupin III vs. Detective Conan, the Made-for-TV Movie crossover, incorporates Emergency Impersonation into this trope by having one of the parties (a bratty Rebellious Princess) trick the other (Ran Mouri from Conan) into swapping clothing, then runs off. Comes complete with Evil Chancellor attempting to murder the princess.
- The Pokémon episode "Dawn of a Royal Day!" had Dawn trade places with Princess Salvia - who wanted to participate in a Pokémon contest - who then gave her Togekiss to Dawn to gain experience as she traveled.
- This trope deconstructed is the premise of Barrage: Prince Barrage finds Astro, a boy from the slums who looks and sounds exactly like him, and forces Astro to take his place as prince while Barrage runs off intending to lead a life of hedonism—but Barrage gets assassinated by a sniper as he's leaving and disappears off the rooftops they're on. This effectively forces Astro to impersonate Barrage to keep the kingdom's political enemies at bay. Those closest to Prince Barrage knew immediately that Astro was an impostor but have agreed to keep the façade as well for the same reasons. Then it's subverted: Astro is the true Prince. His Parental Substitute and mentor kidnapped him from the palace and replaced him with a doppelganger made of dark power and raised Astro in the slums to spare him the court's manipulations.
- In Tantei Opera Milky Holmes, Sherlock switches places with her body double Queen Claris so Claris can get out of an Arranged Marriage.
- Occurs in episode 15 of Brave Beats, between Prince Ramin of Estella and Hibiki. Unlike most examples of this trope, Hibiki's parents and friends immediately realize that Ramin isn't Hibiki.
- In the Doraemon movie "Nobita's the Legend of the Sun King", Nobita swaps roles with a Mayan prince who looks just like him.
- In the second episode of Ojamajo Doremi, Doremi uses magic to swap bodies with her wealthy friend Hazuki.
- In Chapter 136 of Nisekoi, Raku and Chitoge meet foreign princess Maruusha Lu Vieh Nonbeeri, who looks just like Chitoge. The princess ran away from her bodyguards because she wanted to see Japan with her own eyes, so Chitoge decides they should switch places so that the princess can freely go look around town with Raku while Chitoge distracts her bodyguards.
- In one episode of Speed Racer, Spritle switches places with Identical Stranger Jam, Prince of Saccharin.
- In one Archie comic, Lil Archie agrees to take the place of a weary prince who is identical to him. Lil Archie then successfully puts down an uprising, while the Prince is off enjoying his freedom.
- Bunty, a British comic for girls, used this plot a few times. One recurring strip, "The Imposter!", involved wealthy Victorian heiress Lady Harriet switching places with her maid Hetty for a day, but then Hetty steals a valuable heirloom belonging to Lady Harriet and claims to be her. Lady Harriet is forced to remain as a servant until she can find a way to prove her identity.
- The old UK Anthology Comic Nipper (1987) had a strip called "Will & Bill", in which a working class kid who looked identical to the then-five-year-old Prince William would exchange places with him.
- Jinty had "Daisy Drudge and Milady Maud". The former is a lady mistaken for a servant, and the latter is a servant mistaken for a lady. Unlike most examples of this trope, they weren't identical.
- In the The Simpsons comic issue "The Artist Formerly Known as Bart", Bart switches places with a look-a-like rock star named Biff Westwood.
Films — Animated
- The Barbie film Barbie in the Princess and the Pauper had a near identical double pretend to be the princess with the help of a wig. The plot was later reused in Barbie as the Princess and the Popstar and Barbie In Rockn Royals (although in the latter case the two protagonists don't exactly look alike and the swap came about because of an administrative mistake).
- The Prince and the Pauper was a Disney adaption starring Mickey Mouse and a look-alike as the prince and the pauper.
- Open Season 3, where Boog the bear is accidentally mistaken for a Russian circus bear who looked exactly like him, while the real Russian bear simultaneously traded places with him so that he can live in the wild.
Films — Live-Action
- Trading Places plays with this; the people aren't physically identical. Instead, two really rich old guys are pulling the strings.
- The various versions of The Parent Trap, including a movie starring the Olsen Twins circa age 11, use a variant on this plot in which each of the swapped characters is both "prince" and "pauper" at the same time.
- And, in all versions except the Olsen Twin one (which was titled It Takes Two), the protagonists were related. Incidentally, the only film versions to actually have twins playing twins were the original Das doppelte Lottchen, and the 1953 UK version Twice Upon A Time.
- And there's also the original book Das doppelte Lottchen, published in English as Lottie and Lisa.
- The Lizzie Mc Guire Movie had Lizzie impersonate an Italian pop singer, because another idol wanted to ruin the real ones career when he in fact lip syncs.
- Garfield: A Tail of Two Kitties has this as its main plot, with Garfield being mistaken for an identical cat (named Prince, amusingly enough) who has just inherited his eccentric owner's estate. Played with on Garfield's end: he doesn't have to act like Prince, he just has to look like him, and stick around long enough for the paperwork to be signed so that the estate doesn't fall into the hands of Lord Dargis.
- The Little Rascals short "Alfalfa's Double" has a rich kid named Cornelius from another neighborhood who looks just like Alfalfa. When he bumps into Alfalfa they decide to swap roles. Hilarity Ensues.
- The Great Dictator, where Charlie Chaplin plays both a Hitler-esque dictator and a Jewish barber, naturally ends up like this.
- Class Act has a juvenile delinquent and a genius high school student end up swapping roles when their pictures are swapped on their school records.
- Dave is a 1993 film about Dave Kovic (Kevin Kline), who is hired for a night to replace President Bill Mitchell (also Kline) to cover up an affair. After the president unexpectedly suffers a stroke during sex with his mistress, Kovic becomes the "real" president and gets to work.
- Summertime Switch is another non-identical version of the plot: an orphaned delinquent and a spoiled rich kid are being sent to a juvenile detention center and a luxury summer camp respectively for the summer. However, since they both have the same name (Fred Egan), there is a mix up at the bus terminal and they end up switching places.
- Clambake, in which Elvis, heir to an oil fortune, switches places with Will Hutchins, water ski instructor, in order to prove he can win the girl and win the race without Daddy's money.
- The Hot Chick has a bit of Back Story at the beginning explaining the amulet which causes the "Freaky Friday" Flip of the main story. In it, a princess is using the amulet to trade places with her slave. The princess's motive is to escape her Arranged Marriage, so we can assume that the plan was for the switch to be permanent.
- Couples with Emergency Impersonation in Double Take, where a big-shot New York investment banker named Daryl Chase (Orlando Jones) has been framed for murder and money laundering and needs to flee to Mexico to figure out who's doing it. Throughout his ordeal, he's hounded by a street-wise hustler named Freddy Tiffany (Eddie Griffin). While on a train, Freddy suggests they switch roles in order to help Daryl escape. Daryl puts on Freddy's cheap street clothes and a fake mustache and tries to act like a working-class guy (mostly using stereotypes), while Freddy puts on Daryl's expensive suit and glasses and is surprisingly good at fitting in with the high-class crowd. In fact, Freddy is an undercover FBI agent working on exposing corruption within the CIA, so there is little strange in him knowing how to fit in.
- The premise of the fourth Beethoven movie revolves around Beethoven being mistaken for the dog of a wealthy family, and vice versa (neither family learns about the switch, however).
- In It Takes Two, a rich girl and an orphan take advantage of being identical strangers to live each other's lives.
- In Metropolis, Georgy briefly trades places with Freder by switching clothes with him.
- The trope is named for a Mark Twain novel in which Street Urchin Tom Canty gets mixed up with Prince Edward VI of England.
- An element that rarely get used in other works is that both try to come clean and get it reversed. Of course, even at the crowning ceremony, no one takes the pretender seriously that he isn't really the prince until the real one shows up.
- Quoted, played straight, subverted, lampshaded, deconstructed, and reconstructed in Billy and Howard. Repeatedly.
- This is the main plot element of Anthony Hope's 1894 novel "The Prisoner of Zenda" (and the subsequent film)
- A similar plot is used by Robert A. Heinlein in Double Star (although, to be fair, in this novel the duplicate is an actor, who uses his own skill at acting rather than merely accidentally being a body double)
- Parodied and subverted all to heck in Split Heirs by Lawrence Watt-Evans and Esther Friesner, in which there are three physically identical people (though one is a girl raised as a boy).
- Happens in the Narnia book The Horse and His Boy, with Shasta and Corin. It turns out, though, that the "pauper" is actually the rightful prince, and the "prince" is just his few-minutes-younger identical twin. Said twin is happy to find this out because it means he doesn't have to bother with the responsibility of being king.
- Happens in the Myth Adventures novel Hit or Myth, where King Roderick convinces protagonist Skeeve, the court magician, to temporarily take his place using illusion magic. Of course, Skeeve finds out a little too late that the King did it because he was due to be married to the queen of a neighboring kingdom who's rumored to be insanely greedy and bloodthirsty. It turns out that the Queen IS ambitious and clever, but not evil, and catches on to the switch instantly...but when she shows more interest in marrying Skeeve than the King, the conflict becomes finding the King and getting him back to the wedding without the Queen finding out and killing him.
- Occurs in at least two of The Brothers Grimm's fairy tales:
- "The Goose Girl" - where a princess, traveling to another kingdom for an Arranged Marriage, is forced by her maid to trade places with her, also forcing her to swear an oath not to reveal the truth. The prince suspects she's not just a simple maid and asks her to tell the truth. She says she can't tell him because of her oath. He suggests that there's nothing stopping her from telling her story to an iron stove and that she couldn't help if if he happened to overhear.
- "Maid Maleen" - where a Fallen Princess is asked by a prince's bride-to-be to take her place for the wedding night. The prince just happens to be the former princess' lover (lost when the princess's father locks her away when she refused to marry someone else).
- Buffy the Vampire Slayer: As part of a plan to masquerade as her twin, Vampire Willow, Willow is obliged to swap her fuzzy sweater for leather bondage attire.
Willow: I guess vampires really don't have to breathe." [glances down] "Gosh, look at those."
- The premise of the Australian TV show Minty.
- Happens in the Xena: Warrior Princess episode "Warrior... Princess", where Xena (a commoner, despite her nickname) temporarily switches places with an identical-looking princess at the local king's request.
- The trope is taken to a new level in "Warrior... Princess... Tramp..." and in yet another new in "Warrior... Priestess... Tramp..."
- In the third season The Man From Uncle episode "The Galatea Affair", U.N.C.L.E. agent Mark Slate is tasked with teaching working-class Bronx bar performer Rosie Shlagenheimer to act like THRUSH minion Baroness Bibi De Chasseur (both roles played by Joan Collins).
- This concept is used in a Wishbone episode where he is telling the story.
- The Monkees episode "The Prince and the Paupers", where Davy impersonates a prince to help him get married.
- This was the premise of a reality show called A Walk in Your Shoes. Two kids from different backgrounds got to take someone else's role for a day. For example, one episode had a girl who lived by the ocean switch with a boy from the Arizona desert. It even went into very serious topics like Muslims, AIDS, and teen parenting.
- in the 1896 John Philip Sousa opera "El Capitain," Don Enrico Medgua, the Viceroy of Peru, doubles for "El Capitain," the leader of the rebellion against the Spanish rule in Peru.
- The Moxy Früvous song "King of Spain" is all about this:
"Prince and pauper
Junior and Whopper
World made up of
Silver and copper
Under my own volition
I took a change of position!"
- Used in The Story of Evil when Rillianne, who was a terrible ruler switches places with her servant and twin brother, Allen. A bit unusual in that this is not the beginning of the plot, but rather the dramatic climax of it and that Allen himself organizes the whole thing to save her from an uprizing. Under the Princess' guise he gets captured and promptly decapitated while the Princess successfully escapes. In a later song Rillianne is shown being burdened with regrets over his death, though, and in the finale she becomes a lowly nun in a monastery.
- The Zany Scheme subplot of The Taming of the Shrew, wherein Lucentio (son of a wealthy merchant from Pisa) and Tranio (his servant) switch clothes upon arriving in Padua. Tranio takes on Lucentio's identity while Lucentio pretends to be a tutor. (Whether the two actually resemble each other depends on your interpretation of the line "We have not yet been seen in any house/Nor can we be distinguished by our faces/For man or master". Regardless, it's clear that they get away with the switch because no one in Padua knows them, and in performance they generally look nothing alike.)
- Played with The Royal Trap - from the beginning, there are rumors that Princess Cassidy is an impostor, and there just happens to be a similarly-pink-haired commoner girl in the cast being treated unusually well by the King and Queen. The whole story is... complicated.
- Played straight in Gaston's bad ending, where Madeleine turns out to be near-identical to Cassidy once she has the right clothes and wig and has to learn to pass herself off as the princess. This ends badly.
- Used/spoofed in the Johnny Bravo cartoon "The Prince and the Pinhead", which had a cartoon version of Mark Twain show up near the end to complain about the overuse of this plot.
Johnny: Hey, you ain't one of them rich princes who wants to switch places with his exact double, are you?Prince: Um, why, yes I am. You see, I -Johnny: Wanna experience life as a commoner, I know.Prince: Am I really that transparent?Johnny: Naw, I just seen a lot of TV.
- In the 1987 Teenage Mutant Ninja Turtles episode "April's Fool", Shredder kidnaps April confusing her for a princess, in order to get a jewel as ransom. It's played with in this case; April shows up for a party in a pretty dress not realizing it's a costume party, and because it's a fancy dress, she's the only person there dressed like royalty. Meanwhile, the princess gets pissed off with all the parties since she's forced to dress like a princess as usual, and sneaks out dressed as an ordinary person. The two don't actually see each other until near the end when the princess learned of her "kidnapping" on TV, and April never expresses a desire to be a princess.
- In the Bojack Horseman episode "Hank After Dark", Todd switches places with Prince Gustav, the despotic ruler of Cordovia. None of Todd's friends and acquaintances notice that Gustav is clean-shaven and has a heavy Eastern European accent, but he otherwise looks like Todd. Meanwhile Todd, being the naive dope that he is, is forced to try and manage the politics of a foreign country torn by civil war.
- Done in The Simpsons episode "The Simpsons S 20 E 3 Double Double Boy In Trouble", with Bart swapping places with a rich kid... whose siblings are trying to kill him.
- In the Phineas and Ferb episode "Make Play", Candace meets — and trades places with — Princess Baldegunde of Drusselstein.
- The VeggieTales video "Princess and the Popstar - A Story of Trading Places."
- In an episode of The Hub's Pound Puppies, team member Squirt and high society pooch Mr. Cuddlesworth switch places after meeting at the shelter when the latter chihuahua runs away from his home.
- The Pink Panther and Sons episode "Millionaire Murfel" had Murfel trading places with a millionaire.
- A Jem episode featured a Princess who looked like Kimber. Kimber nearly was kidnapped and nearly killed by relatives of the princess who wanted to dispose of her. Luckily, Eric Raymond was so horrifed when he found out that he warned the other Holograms what was going to happen.
- The Proud Family: Mariah Carey's pet monkey and Oscar's Mr. Chips had this forced onto each other when Oscar, while distracted by Carey's presence at the vet's office, threw an injured Mr. Chips into a sick room that was already occupied by Carey's monkey (who was sick due to eating Proud Snacks). Things go uphill for Mr. Chips (who is mistaken by Carey for her pet), and downhill for her pet, with the latter experiencing something close to slave labor regarding meals, and later having its piano playing skills exploited for cash. Things end up back to normal after the pet finds Mr. Chips and takes back his identity forcefully and returns to his rightful owner, and Chips to his.
- Done in an episode of Popeye and Son with Junior and a prince.
- In an episode of Fish Hooks, Oscar gets mistaken for the Queen of Fish England when he impersonates her and almost ends up getting married to Mr. Muscles. At the end the real Queen of Fish England shows up and we find out that she was at Freshwater High impersonating Oscar... for some reason.
- In Johnny Test episode "Princess Johnny", Johnny is asked by Men in Black and White to impersonate a missing princess to avert a war. The princess (who looks like Johnny with lipstick) is found in an arcade; She ran off to 'be a normal kid'.
- The Johan and Peewit episode "The Prince And The Peewit" that aired on The Smurfs cartoon show.
- Wat's Pig is a justified example. Wat (the pauper) and the king actually are identical twins, but were separated as babies due to a botched kidnapping attempt. Wat fights in his brother's place during the second battle against the invaders, after an Important Haircut.
- In the Littlest Pet Shop (2012) episode "Lights Camera Mongoose" Sunil feels underappreciated, while another Mongoose who is a famous movie star wants to get away from stardom, so they switch places for the day. Though half-subverted as all of Sunil's friends knew about the switch to begin with, while the movie crew on the other hand plays this straight.
- In one episode of Storm Hawks, Piper meets Princess Perry who likes exactly like her. Since being a princess consists of boring and useless "duties" meant to keep her out of affairs of state (ie, any actual ruling), Perry knocks out Piper with a book and switches places with her just for a chance to get away from it all.
- Sofia the First: Clover is Princess Sofia's bunny and Barley is a stray. They accidentally switch places in "Bunny Swap".
- Used/spoofed in the Tripping the Rift episode "Nature vs. Nurture".
- Happily Ever After: Fairy Tales for Every Child retells the original story, but gives the main characters a Gender Flip.
- Golden Films made their own version in 1995. For some reason, it included Animate Inanimate Objects.
- In one episode of Josie And The Pussy Cats, Valerie turned out to be a dead ringer for a princess from India, which lead to her acting as a decoy to catch the Villain of the Week.
- Melody was more than once mistaken for somebody of elevated status, including one Outer Space episode where the residents of a planet mistook her for their goddess.