->''"APRIL FOOL, n.: The March fool with another month added to his folly."''
-->-- '''Creator/AmbroseBierce''', ''Literature/TheDevilsDictionary''

A long time ago, April 1st was the start of the new year, and after it was officially changed to January 1st, people who still celebrated at the old date were dubbed "April Fools". Or possibly the term originally referred to people who prematurely celebrated the start of summer (which was traditionally May Day, May 1, in many ancient cultures), only to be met with lingering snowfall; the exact origin is unclear. Regardless of where the term originated, it has since become something much sillier.

April 1 is known as April Fools' Day, where almost every single person in the world becomes TheFool. A time to trick {{Muggles}} that the joke is real, and a time to pull pranks and tricks. You will then reveal the trick with the line "April Fools!"

Many works of the media include April Fools' Day jokes: usually articles presented as news or truth that go beyond the limits of sense, contain blatant inaccuracies, would be completely outrageous etc. They usually assume ViewersAreGeniuses and that no one would be stupid enough to take it seriously, but of course that's not always true. People are often taken in, get outraged, get laughed at, get to made feel stupid. A good time is had by all.

In the 1990s and early 2000s, a common April Fools' Day Joke on {{Webcomics}} was for two different webcomic authors to each do the other's strip. By far the most popular joke on the Internet seems to be a claim by the owner that the website is shutting down. A common joke specific to fansites is to suddenly denounce what the fansite stood for and revamp it to focus on a different franchise, most commonly one that bears similarities to the original, or even a competing one. Another joke specific to gaming sites with free content is the introduction of a "[[BribingYourWayToVictory premium]]" version of the site, where it's said one gets exclusive content if one pays for it; generally, the site makes "preview content" available, with most of the "premium perks" turning out to be silly (or duplicates of free services by other sites devoted to the game).

Subversions of April Fools' Day are to have something improbable published on that day be actually true (either on that day or on a later date, or when a prank goes [[DudeNotFunny just a little too far]]).

In any case, woe betide someone who dies (or worse, is ''born'') on April Fools' Day. [[http://en.wikipedia.org/wiki/1946_Aleutian_Islands_earthquake And God help you if a natural disaster happens and people think the blaring sirens are a prank.]]

!!See AprilFoolsPlot for in-universe fictional examples.

!!Real Examples
* AprilFoolsDay/FanWorks
* AprilFoolsDay/LiveActionTV
* AprilFoolsDay/VideoGames
* AprilFoolsDay/WebOriginal


* The mouthwash company Scope used the couple of days leading to April 1st, 2013 to advertise a bacon-flavored mouthwash. Consumer reactions were overwhelmingly positive, and there were plenty of people [[http://money.msn.com/now/post.aspx?post=12dc81a5-15ad-4ef6-8b8e-3c7014fb5983 ticked off to find out it was all a joke]].
* On April 1, 1996, Taco Bell took out newspaper ads in several cities announcing that they had purchased sponsorship rights to the Liberty Bell, and it would subsequently be renamed the "Taco Liberty Bell." Millions of outraged people called the US Landmarks Commission in protest before the hoax was revealed, causing then-White House Press Secretary Mike [=McCurry=] to sarcastically (and in a surprisingly self-aware way for a bureaucrat) respond that Ford had also acquired sponsorship of the Lincoln Memorial, renaming it to the "Ford-Lincoln-Mercury Memorial."

[[folder:Anime & Manga]]
* ''Manga/AxisPowersHetalia'' usually has an event on the author's blog where one of the characters takes over the site for the day.
* In 2003, mahq.net made an April Fools' Day [[http://www.mahq.net/rants/prank.htm prank announcement]] of a ''Anime/MobileSuitGundamSEED'' sequel, which some websites in Japan apparently thought was a genuine one. And when ''Anime/MobileSuitGundamSEEDDestiny'' was released, the uncanny similarities [[HilariousInHindsight just made it funnier.]]
** In addition April 1st is the site's anniversary, meaning they generally don't do April Fools' Day jokes. That, and it's admittedly [[ToughActToFollow kind of hard to top]] Grandiose Gundam.
* In 2010, promotion for the upcoming ''Manga/{{Gintama}}'' movie was changed so that [[http://community.livejournal.com/gintama/898276.html Shinpachi appeared to be the main focus]]. Worth it for Gintoki's expression in the cutaway panel alone.
* In 2012, Creator/AdultSwim brought CN's much loved Creator/{{Toonami}} block BackFromTheDead for one night only, with all new recorded lines from [[Creator/SteveBlum TOM 3]], airing episodes of nostalgic anime like ''Manga/OutlawStar'', ''Anime/TheBigO'', ''Anime/DragonBallZ'', and other shows that had previously aired on both Toonami and Adult Swim. This case is notable because fan reaction was so overwhelmingly positive and widespread that [[https://twitter.com/#!/adultswim/status/202866436597743616 Cartoon Network brought the block back for good a month later!]]
** For April Fools Day 2014, the fan site [[http://toonamifaithful.com/ ToonamiFaithful.com]] uploaded an [[http://toonamifaithful.com/exclusive-dragonball-z-is-returning-to-toonami/ article]] claiming that ''Anime/DragonBallZ'', one of Toonami's biggest {{Killer App}}s during its Cartoon Network years, would be returning uncut and in 16:9 HD... and would be taking up ''the entire lineup'', pushing every show currently airing off the block. The article, which was written to be as conspicuous as possible, even included fake quotes from Creator/{{FUNimation}} and Williams Street. The reaction was mixed, from those who took the joke in good spirits, to those who were pissed that it was just a joke, and to those who were convinced that it was actually true (to the point where some people on Twitter asked Jason [=DeMarco=] for confirmation). The joke itself was made ominously prophetic, however, when it was announced shortly after that Toonami would be airing the ''Cooler's Revenge'' movie, and ''even more so'' when, on that same night the movie aired, it was announced that the 2009 recut ''[[Anime/DragonBallKai Dragon Ball Z Kai]]'' would eventually be coming to Toonami.
* In 2012, Crunchyroll announced a new streaming app for UsefulNotes/GameBoy. The ''original'' [[http://www.crunchyroll.com/forumtopic-756509/april-fools-crunchyroll-app-for-gameboy Game Boy.]]
* In 2015, [[https://twitter.com/teruya13/status/582920743693905920 someone created a PV]] for a nonexistent spinoff of ''LightNovel/ACertainMagicalIndex'' starring Accelerator's GenderFlip counterpart Yuriko Suzushina, who doesn't actually exist in-universe and is just an imaginary character.
* In 2017, Creator/{{Toei}} released information saying that the next storyline in ''Anime/DragonBallSuper'' would be the "Society Survival Saga", which cast the ''Dragon Ball'' characters as white-collar office workers trying to survive during an economic recession. This was accompanied by artwork depicting Team Universe 7 from the Universe Survival Saga (the '''actual''' next storyline) [[BadassInANiceSuit wearing nice business suits]].
* In 2017, Okawa Bkub's manga ''Manga/HoshiiroGirldrop'' was announced to have an anime adaptation coming later that year. Only for the official website days later to reveal Popuko tearing through the protagonist's face to reveal that ''Manga/PopTeamEpic'' would be getting the anime instead.
* Numerous anime and manga franchises do April Fools' Day jokes. Anime News Network compiles a list every year (e.g. [[https://www.animenewsnetwork.com/interest/2014-04-01/anime-does-april-fool-day-part-1 2014]], [[https://www.animenewsnetwork.com/interest/2015-03-31/the-joke-on-you-anime-does-april-fool-day-part-1/.86578 2015]], [[https://www.animenewsnetwork.com/interest/2016-03-31/anime-manga-game-industry-celebrates-april-fool-day-2016/.100503 2016]], [[https://www.animenewsnetwork.com/interest/2017-03-31/anime-manga-game-industry-celebrates-april-fool-day-2017-part-i/.114178 2017]]).

[[folder:Comic Books]]
* In 2005, ''Magazine/{{Wizard}}'' magazine announced that Creator/GeoffJohns was working on a Creator/VertigoComics version of ''Comicbook/CaptainCarrotAndHisAmazingZooCrew'', in which the Crew was disbanded, Little Cheese was murdered by one of his teammates, and a new character called the Bald Eagle had to bring them all back together. Then Johns topped this by actually writing it into an issue of ''Comicbook/TeenTitans'' the following year.
** In later years ''Wizard'' had fake April Fools reports that Creator/PaulDini and Alex Ross were producing a graphic novel starring Zan and Jayna, the Wonder Twins from ''WesternAnimation/{{Superfriends}}'', and that Steve Niles, creator of ''ComicBook/ThirtyDaysOfNight'', was producing a horror comic staring cereal mascots Franken Berry, Boo Berry and Count Chocula.
* In 2009, the big news on the comics blogsphere was Johns again, now working on ''[[http://onceuponageek.com/2009/04/01/geoff-johns-and-ethan-van-sciver-talk-vibe-rebirth Vibe: Rebirth]]'' with Ethan Van Scriver. At last, one of the most iconic characters in the DC stable is brought back to glory!
** For those who don't follow DC, Johns has done "Rebirth" stories for Franchise/GreenLantern (Hal Jordan) and Franchise/TheFlash (Barry Allen). Vibe, a [[TotallyRadical painfully-eighties]] inner-city kid with the meta-human ability to produce sonic waves, often through breaking dance, was a, uh, "less prominent character".
* In 2010 TopShelfProductions released a cover for ''Comicbook/TheLeagueOfExtraordinaryGentlemen'' [[http://www.comicsalliance.com/2010/04/01/top-shelf-announces-league-of-extraordinary-gentlemen-1988/ 1988]], featuring among others [[Franchise/BackToTheFuture Doc Brown]] and [[Series/TheATeam Sergeant Bosco "B.A." Baracus]].

[[folder:Comic Strips]]
* In 1997, several comic artists swapped strips, producing such oddities as a ''ComicStrip/{{Dilbert}}'' comic in the style of ''ComicStrip/TheFamilyCircus'' (which ''ComicStrip/{{Dilbert}}'' author Scott Adams described as one of the signs of the Apocalypse).
** Kevin Fagan was unable to find another cartoonist to trade ''Drabble'' with, so he [[StylisticSuck drew it with his left hand]].
* In 2005, several comics including ''ComicStrip/FoxTrot'', ''ComicStrip/PearlsBeforeSwine'', and ''ComicStrip/GetFuzzy'', did identical comics where one character plays with a Ouija Board and uses it as an excuse to hit another, eliciting the response "Somehow I imagined the afterlife to be a more peaceful place."

[[folder:Films -- Animation]]
* In 2013, Creator/{{Pixar}} launched a website to promote ''WesternAnimation/MonstersUniversity'' that resembled the website of real colleges. On April 1st of that year, the site appeared to have been hijacked and vandalized by rival college Fear Tech.
[[folder:Films -- Live-Action]]
* In 2011, Creator/TheCriterionCollection announced that after years of releasing prestigious films on [=DVDs=], [[http://www.chud.com/45898/were-getting-criterioned/ the next release would be the notorious]] BMovie ''Film/{{CHUD}}''.
* In 2012, they announced the same thing would be done for ''Film/KindergartenCop''.
* In 2016, Toho announced a crossover movie between Godzilla and ''Anime/NeonGenesisEvangelion''... which turned out to be a promotional stunt for ''Film/GodzillaResurgence'' (which makes sense, considering [[Creator/HideakiAnno who's directing that movie]]).

* In 2012, weeks after the final book for ''Star Wars: Fate of the Jedi'' was released, Suvudu published [[http://star-wars.suvudu.com/2012/04/post-star-wars-fate-of-the-jedi-news-and-exclusive-epilogue-by-timothy-zahn.html a fake epilogue by Timothy Zahn]], claiming [[spoiler:it was Luke's clone who survived the events of ''The Last Command'', not the real Luke]]. Also, there's a revelation that [[spoiler:Grand Admiral Thawn's master plan was to collect a complete set of clones, and almost all of the characters may or may not be clones]], marking the launch of an unending ''Star Wars'' series called [[spoiler:''Star Wars: The Clone Wars 2'']].
* ''Literature/TheHuntingOfTheSnark'' was first published on April 1, 1876.

* In April Fools Day 2015, {{Music/Brentalfloss}} released the song everyone has been requesting for over 7 years... the overworld theme of ''VideoGame/SuperMarioBros1'' with lyrics. There's just one catch though... the lyrics he sings are in Japanese. (''Accurate'' Japanese, mind you, Brent had a translator working on it.) Like Brent himself said, BeCarefulWhatYouWishFor.
* In 2007, Music/AlanisMorissette covered the Music/BlackEyedPeas' infamous "My Humps", seemingly as an April Fools joke.

[[folder:Print Media]]
* ''Discover'' magazine has published a number of notorious articles featuring absurd scientific discoveries, such as a macroscopic subatomic particle improbably named the "bigon".
** The most infamous of these articles is the [[http://en.wikipedia.org/wiki/Hotheaded_Naked_Ice_Borer Hotheaded Naked Ice Borer]], a fictional Arctic animal created for the holiday in 1995. The critter was briefly picked up as an actual news item by at least one other source, and there are anecdotes of inquiries by zookeepers looking for a specimen! Discover claims it has received more mail about this one article than any other it has ever published.
** Another dealt with a native culture that had [[BambooTechnology created primitive "computers"]] by tying multiple knots in ropes using a system they had devised. A little common sense applied showed that this was not only silly, but a {{pun}} - they were ''[[DontExplainTheJoke knot computers]]''.
*** For further humour, this was at one time seriously proposed (fringe) explanation for the quipu.
* ''Magazine/SportsIllustrated'' ran a story in its April 1, 1985 issue called "[[http://www.si.com/mlb/2014/10/15/curious-case-sidd-finch The Curious Case of Sidd Finch]]". The article, written by George Plimpton, ostensibly profiled a phenomenal and unknown New York Mets pitching prospect. Mr. Finch (it was claimed) grew up in an English orphanage, went to Harvard, studied yoga in Tibet, played the French horn, and could throw a baseball up to 168 MPH. The magazine even teased readers with a FunWithAcronyms subhead to the piece:
--> "'''H'''e's '''a''' '''p'''itcher, '''p'''art '''y'''ogi '''a'''nd '''p'''art '''r'''ecluse. '''I'''mpressively '''l'''iberalted '''f'''rom '''o'''ur '''o'''pulent '''l'''ifestyle, '''S'''idd's '''d'''eciding '''a'''bout '''y'''oga—and his future in baseball."
** The bogus story was nonetheless taken at face value by numerous Met fans, sports reporters, and rival general managers.''SI'' continued the gag the following week with an article announcing Finch's "retirement" from baseball, then finally let the cat out of the bag in the April 15 issue.
* ''Magazine/DoctorWhoMagazine'' has had several, including a claim that the ''Series/DoctorWho'' story [[Recap/DoctorWhoS8E5TheDaemons "The Daemons"]] was meant to be six episodes long, not five, and that the sixth episode had been discovered (much later, fan historians such as TatWood were still having to explain that this wasn't true).
* ''Magazine/NintendoPower'' does this a lot:
** 1997 ran phony newspaper clippings, one of them saying that the Headless Snowman from ''VideoGame/SuperMario64'' was getting his own game instead of Luigi.
** 1999 had an article featuring Pikachu from Franchise/{{Pokemon}} as a [=Y2K=] expert. However, his advice was completely useless since all he ever spoke was the iconic PokemonSpeak. The authors eventually turn to BillGates himself...who unfortunately also speaks in Pokémon Speak.
** 2001 discussed "Warp Pipe Technology", a fake {{Defictionalization}} of the warp pipes of ''Franchise/SuperMarioBros.'' fame. At least two readers were fooled and wrote in to ask about the technology; their response:
--->How can we put this gently? The test subject, Dr. Dru Wiliamskini, has a new nickname: "Steaming Puddle of Goo." Better luck next year!
** There was also the infamous Zelda April Fool's joke, showing fake screenshots of Link holding the Triforce. This only further fueled rumors of secret ways to get the Triforce, even after Nintendo repeatedly explained it wasn't possible.
* ''[=GamePro=]'' had an annual April feature called "[=LamePro=]", which mostly featured crude reimaginings of the hot games of the day, along with some mashups like "Series/{{Barney and|Friends}} [[WesternAnimation/BeavisAndButthead Butthead]]" and "Franchise/StreetFighter [[Film/TheLittleRascals Alfalfa]]".
** Lamepro had a review of the ''Comicbook/{{Daredevil}}'' console game, and exclusive screenshots of a black screen - and the multiplayer mode (a black screen divided into four black screens.)[[note]]The joke, in case you don't get it? A first-person-perspective videogame starring a ''blind'' superhero.[[/note]]
* ''Magazine/ElectronicGamingMonthly'' was so good at this, they ended up creating [[UrbanLegendOfZelda Urban Legends Of Zelda]] out of most of them. They are described in detail in the aforementioned article, but for the sake of summarization:
** 1991: [[Franchise/{{Castlevania}} Simon Belmont]] in ''[[VideoGame/TeenageMutantNinjaTurtlesTheArcadeGame Teenage Mutant Ninja Turtles II: The Arcade Game]]''.
** 1992: Sheng Long in ''VideoGame/StreetFighterII'' (Lead to the creation of Akuma, and later, [[VideoGame/StreetFighterIV Gouken]]).
** 1993: Four fake games for the UsefulNotes/AtariJaguar.
** 1994: ''[[RougeAnglesOfSatin Streeets]] [[VideoGame/StreetsOfRage of Rage 3]]'' ([[{{Defictionalization}} allegedly]])
** 1995: Creator/{{Nintendo}} publishing a ''Franchise/SonicTheHedgehog'' game. (This became HilariousInHindsight when Nintendo was handed the Japanese publishing rights for ''VideoGame/MarioAndSonicAtTheOlympicGames''.)
** 1997: Sheng Long in ''VideoGame/StreetFighterIII''.
** 1998: [[DummiedOut "All Bonds" cheat]] in ''[[VideoGame/GoldenEye1997 GoldenEye 007]]''.
** 1999: The [[XtremeKoolLetterz GameShortz]], which was just boxer shorts with UsefulNotes/PlayStation controllers attached.
** 2000: The return of the UsefulNotes/{{Intellivision}}.
** 2001: Creator/{{Sega}} selling Sega Neptunes.
** 2002: Sonic and Tails in ''VideoGame/SuperSmashBros Melee'' (this became HilariousInHindsight when Sonic made it into ''Brawl'').
** 2003: ''VideoGame/DeadOrAlive: Extreme Beach Volleyball'' nude code (the {{Fanservice}}-heavy series has since become famous for making this a reality by hacking the game files).
** 2004: ''Film/LordOfTheRings'' getting a MascotRacer spinoff.
** 2005: ''VideoGame/TheLegendOfZeldaTheWindWaker'' getting a ''VideoGame/TheLegendOfZeldaTwilightPrincess'' makeover as a PreOrderBonus for the latter.
** 2006: The [[HilariousInHindsight iGame]].
** 2007: ''[[Franchise/SuperMarioBros Mushroom]] Franchise/KingdomHearts''.
** 2008: ''{{VideoGame/Lego|AdaptationGame}} Franchise/{{Halo}}''. (Incidentally, [[http://www.megabrands.com/en/kids/halowars/ there are]] ''Halo'' [[MisaimedMarketing Mega Bloks]].)
** 2010: ''VideoGame/CallOfDuty:'' set in UsefulNotes/TheAmericanRevolution.
* ''Game Informer'' has a section in every April issue called "Game Infarcer", complete with a faux cover and mini-articles poking fun at various aspects of the gaming world. In each May issue, GI publishes a few choice letters from people who believed the jokes to be real, despite the fact that every Game Infarcer page has "PARODY" in capital letters at the bottom. Interestingly enough, in 2010, most of the objections were not to the articles, but fake Editor-in-Chief Darth Clark's declaration that his game reviews had surpassed actual games as an art form.
* In 2008, ''Hot Rod'' [[http://www.hotrod.com/featuredvehicles/hrdp_0804_amc_concept_cars/index.html published an article]] proclaiming the revival of American Motors (bought by Chrysler in 1987). The article contained detailed information and drawings of forthcoming models including the AMX, Matador, Ambassador, Pacer, and Gremlin. It was later revealed to be an April Fools' Day joke.
* ''Road & Track'' usually prints a review of something other than a car, but a mode of transportation none the less.
* In their April 2012 issue, ''Car and Driver'' listed 25 cars that would be released within the next few years. Most of them were real, except for [[http://www.caranddriver.com/features/2015-chrysler-td-by-maserati-future-cars the Chrysler TD By Maserati]].
* ''Magazine/MacAddict'' (now ''Mac|Life''), upon its first April Fools' Day in 1997, ran a lot of jokes. Among them were a letter from the editor explaining that the magazine would be shifting its focus to Windows, and an ''Onion''-esque fake news section.
* The April 1988 issue of ''Your Sinclair'' included a glowing review of a fictional lawn-mowing SimulationGame. ''Advanced Lawnmowing Simulator'' was inevitably [[{{Defictionalization}} defictionalized]].
* ''The One Magazine'''s April 1990 issue contained a [[http://amiga.lychesis.net/knowledge/CyberAssault556.html preview]] of a supposed upcoming game, ''Cyber Assault 556'', a highly complex WideOpenSandbox space sim game (complete with fake screenshots).
* The Polish gaming magazine ''Reset'' had a different kind of joke in every April issue (except for April 1997, because that was their first issue.)
** In 1998, the entire magazine layout was turned 90 degrees, and there was a enthusiastic review of a fictional game ''666'', a supposedly highly complex WideOpenSandbox game produced by the Polish company [[SdrawkcabAlias Teser Interactive]]. There was also a humorous hardware review of a... glass, and a spurious article about Bill Gates converting to Buddhism.
** In the 2000 issue the order of sections was reversed from the usual, so the magazine started with comics and off-topic articles and ended with reviews and previews. The same issue also contained a review of "House Renovation 2000", supposedly a NintendoHard strategy game where the player must hire highly lazy and recalcitrant worker units to renovate his house.
* The Polish gaming magazine ''CD-Action'' pulled off subtle jokes sometimes. For instance, in the April 1999 issue, they claimed that in ''Franchise/TombRaider 4'' Lara Croft would have a second pair of breasts added to her back, and that Creator/IDSoftware was preparing to release ''VideoGame/{{Doom}} 2000'' that would run on the Unreal engine.
* Going back to earlier days of video gaming, the March/April 1984 issue of Atari Age magazine had a portion called Not The Atari Age, with a fake cover, improbable news articles (like ''Ion Defender'', a game designed to be unplayable and which literally cheats if you get any good at it at all, and a game called ''[[Literature/NineteenEightyFour Big Brother]]'' that just watches you), and impractical items for sale (like a one-million-dollar gem-encrusted joystick, or a Trak-Cube controller that doesn't move)
* Yacht Club Games, the creators of ''VideoGame/ShovelKnight'', created a [[http://yachtclubgames.com/2017/04/top-games-that-copied-shovel-knight/ post]] on their website in 2017 that seemed designed to criticize knockoffs of the game. All of the content that seemingly stole from the game had come out before the game; the article was a sneaky way of showing off the things that influenced the world and design of the game.

[[folder:Tabletop Games]]
* ''Magazine/{{Dragon}} Magazine'', the house organ for ''TabletopGame/DungeonsAndDragons'', would usually dedicate their April issues to sillier fare. For example:
** One issue had a series of mixed up spells like "Find Terrain" for which the "somatic" component is to fall forward, at which you have just "found the terrain".
** Another issue had on its cover a chubby warrior holding flowers up to a beholder which had on makeup and flowers... [[StealthPun "Beauty is in the eye of the... Oh nevermind!"]]
** Another time, they packaged the April Fools material in one section of the magazine, with a cover page that parodied the heroes-steal-giant-demon-statue-eyes cover of the 1E ''Player's Handbook''. Exact same scene, except the demonic statue and gem thieves are all teddy bears.
** Shortly after 3.5 introduced a Flaws mechanic, they did flaws for Commoners (the least powerful of the NPC classes); one of the flaws, called "You Got Chickens", had the character suffering a 50% chance of retrieving a chicken any time they tried to draw something from their pack. This was promptly exploited on the Character Optimization board.
** The parody songs of "Bard on the Run".
* Creator/WhiteWolf and its SpiritualSuccessor Onyx Path Publishing are in the habit of releasing a joke supplement on April Fools' Day.
** They kicked off in 2008 with the release of an excerpt from a pitch for ''Shadows of Iceland''.
** In 2009 they released the ''Scroll of Swallowed Darkness'', an incomplete, sex-themed supplement for ''TabletopGame/{{Exalted}}''. In 2012, they released errata for it.
** 2010 saw the release of ''Dudes of Legend'', a very NSFW Take That-filled [[TabletopGame/NewWorldOfDarkness nWOD]] supplement with rules for, among other things, [[Literature/{{Twilight}} using glitter to let vampires go out in the sun]], and gaining superpowers from homoeroticism.
** For 2011, they released ''Paths of Storytelling: Vampire'', a ChooseYourOwnAdventure-style piece for ''TabletopGame/VampireTheMasquerade''.
** In 2013, they released ''TabletopGame/{{Scion}}: Extras'', a collection of [[OddJobGods (perhaps justifiably) obscure Gods]] and their Scions.
** 2014's release was a set of [=nWOD=] Overly Narrow Condition cards, for use when [=PCs=] ran into highly unlikely situations.
** In 2015, they announced that, inspired by the popularity of the Kickstarter for historical [=nWOD=] supplement ''Dark Eras'', they'd be transplanting all TabletopGame/OldWorldOfDarkness and TabletopGame/NewWorldOfDarkness gamelines to the nineteenth century, at the height of Gothic literature's popularity, in order to add Historical Angst (TM) and gothness. As an indication of where this would be going, they released [=nWOD=] supplement ''Gothic Icons'', statting up characters from Gothic literature who represented {{goth}} archetypes.
* Creator/PalladiumBooks has a combination fanzine/sourcebook for ''TabletopGame/{{Rifts}}'' and other Palladium titles called ''The Rifter''. They created an April Fool's Issue called ''The Rifter 9 1/2'', which was full of ridiculous characters, alternate rules, and other silly content. A RunningGag throughout the issue was that Palladium Books had been sold to the fictional Percy Ferkleberger, who began effecting massive changes in ''TabletopGame/{{Rifts}}''. The most notable example was the new rules for "Giga-Damage," which was a massive in-joke regarding the game's love of MoreDakka, the fact that ''TabletopGame/{{Rifts}}'' tends to attract {{Munchkin}}s, and PowerCreepPowerSeep in general. Most amusingly, the Rifter 9 1/2 was made primarily as an April Fool's Joke on The Rifter's editor, who had heard nothing about it until the first copies arrived at the warehouse.
* Catalyst Games Labs, the current publishers of {{TabletopGame/BattleTech}} and TabletopGame/{{Shadowrun}}, celebrates April Fools' by releasing gag products which are nonetheless playable. Considering that they're also ''free'' products, it's a pretty good deal if you can take the joke.
** The 2012 releases were Taiwan-themed scenario-packs. The TabletopGame/BattleTech releases included a "Third (Star) League Turning Points" scenario-pack (set two centuries beyond the current in-universe date, complete with units and weapons advanced beyond even Clan technology).
** The 2013 ''TabletopGame/BattleTech'' release is an 'Experimental Technical Readout'. It's titled ''XTRO:1945'', and details a range of units from ''World War 2'', complete with the gear they need to fight a [[HumongousMecha BattleMech]]. They ''are'' playable units, and incredibly deadly to each other. Against '''Mechs'' is another matter.
* ''TabletopGame/YuGiOh'': Kevin Tewart, a member of Upper Deck Entertainment, sent a letter claiming that the card [[http://yugioh.wikia.com/wiki/Card_Trooper Card Trooper]] had been misprinted, making its effect vastly different. The first letter of each line spelled out "APRIL FOOLS".
* Over the years, Creator/GamesWorkshop made a few April Fools jokes. Including the announcements of a "How to throw Citadel dices" book and the 'Eavy Metal Spraygun (that allows you to give your figures a perfect paintjob like the ones from the 'Eavy Metal team just by placing the right colors inside and spraying them on the figure)
** In 2016, they announced a paintbrush for left-handed and a ''Literature/HorusHeresy'' pop-up book.

* [[http://biosector01.com/wiki/index.php?title=Main_Page Bionicle Sector 01]], the Toys/{{Bionicle}} [[TheWikiRule Wiki]], Lost quite a few of their images and pages a while ago, but managed to find some replacement images of the Toa Nuva, Mata Nui, and Makuta Teridax, thanks to a certain [[WesternAnimation/MyLittlePonyFriendshipIsMagic Derpy Hooves]]...
* In 2015, Hasbro announced that the Fan Made Combiner poll they were doing at the time was closed and the whole thing was going to be replaced with a new figure of Reflector.

[[folder:Western Animation]]
* Creator/CartoonNetwork:
** In 1997, they ran the ''[[WesternAnimation/TexAveryMGMCartoons Screwy Squirrel]]'' cartoon "Happy-Go-Nutty" repeatedly for twelve hours straight. The network's AOL site [[note]]this was a year before [=CartoonNetwork.com=] launched[[/note]] ran banner messages saying that Screwy had taken over the network and was making demands with the authorities. The banners read "April Fools" after the madness ended at 6pm. A six-hour ''WesternAnimation/LooneyTunes'' marathon immediately followed as an apology.
** In 2000, they ran a 4-hour Creator/{{Boomerang}} marathon to celebrate the new network's launch.
** In 2001, they ran ''Creator/TexAvery's Marathon of Fools'', which presented 18 hours of Avery's shorts.
** In 2009, they replaced the majority of their programming with a surprise ''WesternAnimation/CowAndChicken''[[note]]which hadn't regularly been aired on the main network for years[[/note]] marathon.
** In 2010, they added fart and belch sound effects to almost every cartoon they aired throughout the day, even to the intros.
** In 2011, the logo bug at the bottom of the screen was flipped upside-down.
** In 2017, the main characters in every show have googly eyes placed over their faces. They were even edited into all the advertisements for the shows on the network, including for ones that hadn't premiered yet.
* Infamously done with ''WesternAnimation/SouthPark''[='=]s season 2 premiere in 1998; the audience was expection a resolution to Season 1's CliffHanger about who Eric Cartman's father was, but instead they got an episode dedicated to the farting Canadian ShowWithinAShow Terrence & Phillip that aired on April 1st. Reactions from viewers were quite negative, leading to Trey Parker & Matt Stone resolving the cliffhanger in the season's second episode. This was later {{lampshade|Hanging}}d in the episode "Terrance & Phillip: Behind the Blow".
** It was also referenced in the 2010 episode "Eat, Pray, Queef" (which ALSO aired on April 1st), where the boys get mad after the conclusion to a 2-part ''Terrence & Phillip'' episode is replaced with a ''Queef Sisters'' episode. The creators actually originally intended to do a whole episode about the Queef Sisters, but went against it.
** Referenced again in the 2006 episode "Cartoon Wars Part 2", which pulled a similar "this episode will not be seen tonight" gag involving Terrence & Phillip. Which had its own Muhammad joke. That gets censored on its own. ...What? Are Terrence & Phillip arguing with the executive behind the edit now? And they bring up ''WesternAnimation/FamilyGuy'' showing Muhammad uncensored? And the executive is saying someone is probably going to FOX to stop them? Ah, now the episode ''truly'' begins...
* Creator/AdultSwim. 2012. While it began with the introduction to ''Film/TheRoom'' (which had been their joke in previous years), it quickly went in a different direction, bringing back {{Creator/Toonami}}[[note]]Canceled in September 2008[[/note]] for what was thought to be one night only. But then Creator/AdultSwim asked the fans what they thought on Website/{{Twitter}}... They wanted their Creator/{{Toonami}}. As of May 26, 2012, they're getting it.
** 2004: Inuyasha. [[http://www.veoh.com/watch/v6555000RBbdbQSB?h1=Adult+Swim+2004+April+Fools-InuYasha+Mustaches moustaches]].
** Creator/AdultSwim did many things in different years, including doing the "add a fart track to all shows" that was later done on daytime Creator/CartoonNetwork, all the funnier because that was on Saturday Night that year, so they fart-tracked such series as ''Anime/GhostInTheShellStandaloneComplex''. One year, another Saturday, they replaced the anime lineup with ''WesternAnimation/PerfectHairForever''. In the year in which ''WesternAnimation/AquaTeenHungerForce Colon Movie Film For Theaters'' premiered, before the premier of the movie in theaters, they aired the entire movie on April 1st, but in a tiny block in the lower-right corner of the screen, without sound. One year, they dug up reruns of ''WesternAnimation/ChuckNorrisKarateKommandos''.
** In 2014, Adult Swim aired a new episode of WesternAnimation/PerfectHairForever alongside a ''WesternAnimation/SpaceGhostCoastToCoast'' marathon (one that included the uncut version of "Fire Ant", among other things.)
** For their April Fool's stunt in 2006 Creator/AdultSwim aired the Spumco short ''[[WesternAnimation/YogiBear Boo Boo Runs Wild]]'' rather than ''Anime/NeonGenesisEvangelion'' and inserted fart noises into ''Anime/FullmetalAlchemist''.
** In 2017, [[ScheduleSlip after months of constant delays]] for the third season of ''WesternAnimation/RickAndMorty'' (it was originally planned to air late 2016), Adult Swim suddenly premiered the first episode of the season and officially announced that the show would be returning in summer [[OverlyLongGag and then proceeded to rerun the same episode for five hours straight]], actually delaying the week's new episode of ''WesternAnimation/SamuraiJack2017'' and ''Anime/DragonBallSuper'' dub for another week, which, needless to say, pissed off many fans of the latter two, with the former show's fanbase even starting a [[FandomRivalry rivalry]] with the R&M fanbase.
* In 2013, Creator/TeenNick advertised that they were planning to show a long lost episode of ''WesternAnimation/RockosModernLife'' at midnight as part of its Series/The90sAreAllThat block. Said episode was 30 minutes of Mayo from the "Wacky Delly" episode, followed by a showing of said episode to presumably clear things up for the numerous confused viewers born well after the time of ''Rocko'' passed.
* In the ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' fandom:
** In 2013, series writer Meghan [=McCarthy=] released [[http://www.equestriadaily.com/2013/04/meghan-and-steffama-larsondrews-season.html a lot of false episode titles and synopses for season four.]]
*** Notably some of these were actually correct (though with silly synopses). Since the existence of a fourth Pie sister was already confirmed, many fans correctly guessed that "Maude Pie" was a reference to her.
** 2014 saw the release of two promos for nonexistent spinoffs:
*** [[https://www.youtube.com/watch?v=bMglq5ZgYK4 My Biggest Pony]]: featuring a gigantic Bon Bon creating a ruckus in Ponyville.
*** [[https://www.youtube.com/watch?v=S-DDF0q68kw Dragonfire]]: a SpaceOpera featuring a humanized Spike, on a spaceship named the Celestia.
** 2015:
*** Someone released a fake Discovery Family promo for a side series called "[[https://youtu.be/IZArPt_x0CU Apple Bloomers]]", a MagicalGirl {{anime}} {{parody}} starring the Cutie Mark Crusaders. [[note]]A focused watcher may notice that it is scheduled for release Friday April 31st, but then you realize April doesn't even have 31 days.[[/note]]
*** Also in 2015, Andrea Libman tweeted that the show has been merged with ''{{Franchise/Transformers}}'', with Creator/MichaelBay set to direct it. The image tweeted is of Pinkie Pie (one of the characters she voices) in an Optimus Prime costume.
** 2016:
*** The official Facebook page announced that the show was going to be replaced with "My Little Dragon: Spike is Magic", a new show about Spike going in the Dragon Lands to teach friendship to his inhabitants, making friends and eating gems.
* Late in March 2015, the creator of ''WesternAnimation/KidsNextDoor'' linked to a Rainbow Monkey website that had a search bar. Various names from ''Kids Next Door'' could be entered into the search bar, which would return a single line answer. One term showed a countdown in strange alien numbers. Around the same time, a Galactic Kids Next Door video was uploaded on Website/YouTube; this video was apparently supposed to be shown when the countdown ended, but it was leaked. Strange messages from the original ''Kids Next Door'' voice actors suggested that some kind of revival was in the works. Problem was, the countdown would end on April 1st. Fans waited with baited breath to see what would happen when the countdown ended... and while a new video was released, it ended with the message "As of right now, there are no plans for a Galactic Kids Next Door Series. But... there ''should be''". It appears that the whole thing was part April Fool's joke, part ViralMarketing pitch.
* In 2015, ''WesternAnimation/StevenUniverse'' had a CrossOver with ''WesternAnimation/UncleGrandpa''. While it aired on April 2 (as to fit with the pattern of airing new episodes on Thursday), the episode itself says "April Fools'" in it. Part of the prank also included [[TrollingCreator one of the staff members]] considering it a {{Canon}} episode, though watching the episode, it is definitely not.
* Nickelodeon in 2017 launched a new channel called "Nick Sr.", ostensibly a sister network to Creator/NickJr. They also replaced the opening of ''WesternAnimation/SpongeBobSquarePants'' with [[https://www.youtube.com/watch?v=KChr4NtB-SQ various different versions of the theme song]], ending with [=SpongeBob=] saying "April Fools"!

[[folder:Real Life]]
* Online tech news site TheRegister regularly put up joke articles on April 1st. The articles are usually gone by the next day however, although some of them are archived for posterity.
* China, notorious for their censorship regime, bans the media in the country from publishing or airing fake articles and reports on April Fools' Day.
* A popular joke is the "Fools' Day Parade", wherein someone announces a time and place and big acts for a parade that never happens. Some of the more entertaining press releases are of New York's "Annual April Fools' Day Parade", written by world-class prankster Joey Skaggs.
* British newspaper ''The Daily Mail'' pulled one when Tony Blair was still the Prime Minister, saying that he had replaced the black door of 10 Downing Street (the Prime Minister's residence) with a red one.
* In 1977, another British Newspaper, ''The Guardian'', ran a [[https://medium.com/@realdougwilson/the-beautiful-island-of-san-serriffe-d95adbc5febb seven-page travel special]] on a small Indian Ocean island nation named San Seriffe, riffing off similar special reports by ''The Financial Times''. They even pulled in advertisers such as Kodak and Guinness to make joke ads. As word processing software and by extension, and most typography terms had not yet entered the popular consciousness, puns such as the country name, cities such as Bodoni (the capital) and Garamondo, island names Upper Caisse, Lower Caisse (together shaped like a semi-colon), and little extraneous Ova Mata, the ruler General M.J. Pica, and the currency Corona and Ems all flew over the audiences' heads, who filled the Guardian's switchboards with requests for information and provoked angry responses from travel companies and airlines when they refused to believe it didn't exist because they "saw it in the Guardian."
* Many cable networks do April Fools' Day pranks. For example, Creator/AdultSwim will change their lineup or insert jokes into their programming:
** In 2005 it was fart jokes during {{anime}}. Memorably, the fart gag caused such an angry and ''immediate'' InternetBackdraft that the sounds were removed for the late-night second airing.
** In 2006, they had a "stealth premiere" of the finale of ''WesternAnimation/PerfectHairForever'', aired Spumco's ''Boo Boo Runs Wild'' instead of ''Anime/NeonGenesisEvangelion'', and put more farts in ''Anime/FullMetalAlchemist''.
** 2007 brought the complete ''WesternAnimation/AquaTeenHungerForce [[TheMovie Colon Movie Film For Theaters]]'' several weeks ''before'' its actual theatrical premiere date - in a small, 1 x 1 inch corner of the screen as the channel ran episodes of ''Futurama'' and ''Family Guy'', and with loud {{commercial pop up}}s promoting the ''ATHF'' film to boot.
** 2008 had a whole night of "stealth premieres".
** In 2009 it was the cable premiere of ''Film/TheRoom''. In 2010 and 2011, they aired ''The Room'' '''again'''.
** In 2012, they opted for a one-day revival of Creator/{{Toonami}}, which began with a FakeOutOpening of ''The Room'', and was so well received that the block was brought back for good!
** In 2013, they changed the name of the network to [meow meow], played cat-related bumps and superimposed cat heads on all their programming (except ''Loiter Squad''.)
** In 2014, they released a new episode of ''WesternAnimation/PerfectHairForever'', out of the blue, in homage to the gag from 8 years before.
** 2015's April Fools joke was simple: an ''ATHF'' marathon with a "[[https://www.youtube.com/watch?v=BBvY67L2vRE coin hunt]]".
** 2016 had them hyping a big prank only for there to be [[BaitAndSwitch nothing]].
** 2017 had at least one character on each show after midnight be auto tuned, along with added {{laugh track}}s and sound effects. All the shows later in the evening were instead substituted with a repeated unscheduled airing of the third season premiere of ''WesternAnimation/RickandMorty''.
* [[http://www.snopes.com/photos/airplane/hotelicopter.asp The Hotelicopter]].
* For 2008, the morning [=DJs=] at WBPM in upstate New York announced they were quitting. All throughout their show, they received calls from listeners asking if it was true and begging them not to do it. Just before they signed off, they admitted that they ''were'' quitting... smoking.
* In 2008, users of the [[UsefulNotes/{{Unix}} Kubuntu Linux]] beta found that their wallpapers were now one of those TastesLikeDiabetes [[http://img146.imageshack.us/i/schermata1pq5.png/ unicorn images]]. And that the dialog boxes for changing the wallpaper were disabled.
* In the late 1980s, the U.S. Armed Forces Network (radio) in Europe celebrated April 1st with such news items as an invasion of Germany by giant grasshoppers. Also, the German "phrase of the day" feature was replaced with a ''cow'' phrase: "Moooo!" which means, "Hey, watch where you're putting those cold hands, buddy!"
* Something about the radio business must really lend itself to these. From 1964, [[http://www.musicradio77.com/images/apfool4pcm.mp3 here's WABC's Dan Ingram]] being victimized during his on-air shift.
** George Weber, who hosted a talk show on KOA in Denver in the early 1990s, was fond of elaborate April Fools pranks. These included: telling listeners that the gold on the dome of the Colorado state capitol building was being replaced and that they could go to the grounds to get free chunks of the old gold, claiming that Denver had just built a subway system (he even mocked up a "subway entrance" at a local comedy club), and making it sound as though KOA had changed their format from talk to CountryMusic.
* On April 1st of 2010, the cd trading site swapacd.com included a link on their homepage promising users "free credits". Instead of credits that can be exchanged for [=CDs=], what they got were the kind of credits you see at the end of movies - a scrolling list of bad puns on names of famous actors.
* ''All Things Considered'', the evening news program of Creator/{{NPR}}, does an annual April Fools news story, delivered in their usual deadpan style. Among others was a report on the dangers of exploding maple trees in Vermont one year, and then another was a reading outraged "listener mail" concerning Whale Farming (as in, raising whales in massive tanks in the Midwest) which was a long series of ComicallyMissingThePoint gags.
* The Swedish television channel SVT had a glorious one in 1962. Known radio technician Kjell Stensson told the viewers that by simply cutting up a nylon stocking and attaching it to the television screen, they would get color TV!
* A few years ago one Christchurch newspaper published a news report about how the iconic Christchurch City Cathedral was going to be demolished due to bad structural damage. This became HarsherInHindsight considering the catherdral ''was'' demolished in 2012 after a 7.9 earthquake struck the city.
* In the 80s, the Australian UsefulNotes/{{Cricket}} team played a tour match in India on April 1st. The rules of cricket state that if the ball hits the stumps but fails to dislodge the bails, the batsman is not out. The Australians ''superglued the bails on'', and then just stood back and let the ball hit the stumps.
* For 2011, Creator/Channel4 modified their (live-action with CGI effects) {{Station Ident}}s for the day by [[https://www.youtube.com/watch?v=Wts8vOSyWdg removing the CGI 4 logos]].
* On April Fools' Day 2011, Creator/ShoutFactory announced on its website that it would be producing a DVD box set containing the entire 72-year run of the radio/TV soap opera ''Series/GuidingLight'', collected on nearly 4,000 discs.
* On April 1, 1966 the well-known BuccaneerBroadcaster Radio London, operating from a ship off the British coast, found its signal being drowned out by Radio East Anglia, which claimed to be broadcasting with an implausibly-powerful transmitter from somewhere in eastern England. This was so convincing that the police actually searched the region for illegal transmitters. Naturally they never found one, because the whole thing was broadcast from the Radio London ship with the help of two fake [=DJs=] (actually engineers) and good editing. It had all been planned by a couple of the real [=DJs=] - without the knowledge of the station's management, who weren't happy at the loss of scheduled commercial slots.
* In 2005, a website was launched for "[[http://www.hyperborea.org/googolplex-theaters/ Googolplex Theaters]]", a supposedly innovatitve theater where patrons use a virtual reality headset that lets them watch any movie at any time. The theather and technology, of course, didn't exist.
* The Internet Engineering Task Force often writes humorous Requests For Comments (the IETF's name for standards they adopt). Wiki/TheOtherWiki [[https://en.wikipedia.org/wiki/April_Fools%27_Day_Request_for_Comments has a list]]. The very first one, "TELNET randomly lose" was taken serious enough times that for a while the IETF put a header saying "note the date of issue".

[[folder:TV Tropes]]
* For April Fools 2011, all the avatars in the Administrivia/TVTropesForum were changed to [[http://static.tvtropes.org/pmwiki/pub/images/april_fools_2011_spartacus_8552.png a picture of]] Film/{{Spartacus}}, and [[IAmSpartacus all usernames had "Spartacus" placed in front of them]]. After that, they began to rotate between several others, including:
** [[Franchise/StarWars A Stormtrooper's helmet]], changing everyone's name to "Trooper [Troper's name]". [[http://static.tvtropes.org/pmwiki/pub/images/april_fools_2011_trooper_5853.png]]
** A {{Bear|sAreBadNews}}, with "Grizzly [Troper's name]". [[http://static.tvtropes.org/pmwiki/pub/images/april_fools__2011_bear_6305.png]]
** A [[Franchise/MyLittlePony purple, butterfly-winged pony]], with "Pony [Troper's name]". [[http://static.tvtropes.org/pmwiki/pub/images/april_fools_2011_pony_7896.png]]
** Franchise/SpiderMan, with "Spider-[Troper's name]". [[http://static.tvtropes.org/pmwiki/pub/images/april_fools_2011_spiderman_3825.png]]
** [[WesternAnimation/LooneyTunes Tweety Bird's]] head, with "Tweety [Troper's name]". [[http://static.tvtropes.org/pmwiki/pub/images/april_fools_2011_tweety_6095.png]]
** [[Series/{{Firefly}} Serenity]], with "Still Flying: [Troper's name]". [[http://static.tvtropes.org/pmwiki/pub/images/april_fools_2011_serenity_5847.png]]
** A [[NothingIsScarier blank]] [[OurGhostsAreDifferent space]], with "Ghostly [Troper's name]".
** And a [[Series/DoctorWho Weeping Angel]], with "Unblinking [Troper's name]". [[http://static.tvtropes.org/pmwiki/pub/images/april_fools_2011_unblinking_3564.png]]
* For the MohsScaleOfRockAndMetalHardness, some joker entered [[http://www.youtube.com/watch?v=JN5Mqr6tRlw Hugga Wugga]] from ''Series/TheMuppetShow'' under Level 7 ("Soprano and gravel"), and Cookie Monster's [[http://www.youtube.com/watch?v=Ye8mB6VsUHw C Is For Cookie (That's Good Enough For Me)]] under Level 9 ("Cookie Monster vocals - the TropeNamer"). Someone fell for it.
* April Fools' Day 2012 had a couple unrelated events:
** the prank ran for an i-day (from the moment it became April 1st just west of the International Date line, for 47 hours, 59 minutes and 59 seconds, to the moment it became April 2nd just east of the DateLine) Astute users could have guessed what was going to happen from the banner at the top of each page that read "Somewhere on Earth it is April 1st".
** [[Administrivia/KnowTheStaff The moderators]] had a lot of fun within the forum. Most of them wear distinctive avatars, sig lines, and other gingerbread, and these have become well known enough that people identify the mods by their avatars rather than their names (to the point where @/FoxxyMod redirects to @/{{Madrugada}}, since she always has [[http://static.tvtropes.org/pmwiki/pub/images/Vulpes_vulpes_laying_in_snow.jpg_100.jpeg an avatar of a sleeping fox]]).\\
For April Fools' Day, they "dressed up" as each other: Each wore the gingerbread of someone else. This led to much confusion and silliness, since people suddenly thought the mods were posting in places they had never been before, e.g. @/BestOf took on @/FastEddie's avatar, signature, user title, and location, so people thought Fast Eddie was posting in Yack Fest, which rarely happens. [[http://tvtropes.org/pmwiki/posts.php?discussion=13331907300A61220100 Here]] is the main forum thread about it, including [[http://static.tvtropes.org/pmwiki/pub/images/April_Fools_2012_mod_switches_4386.png diagrams of who switched to who]].
** It expanded outside the forum too. The HomePage was made inaccessible -- whenever you went there, you were redirected to a random article from the HomePages index, which might be a translation in anything from [[Qu/HomePage Quenya]] or [[Pl/StronaGlowna Polish]] to [[Pirate/HomePage Pirate]] and [[ElmerFudd/HomePage Elmer Fudd]]. Because of the obscure home pages getting a lot of exposure, we ended up with [[JustForFun/WeirdestInboundLinkOfTheDay some weird inbound link counts]] as people showed them to their friends.
* 2013 brought the scale down again -- nothing happened wiki-side. On the forums, the mods once again had their avatars changed, this time to Agent Smith from ''Film/TheMatrix'', but that was all. The main event was that location lines in posts were randomised. Instead of the location given in your profile, your location would be randomly selected from one of 256 possibilities the mods had previously compiled, and would rerandomise upon refreshing the page. Most locations were references to works. For example, you might be listed as "from"...
** {{Atlantis}},
** [[Videogame/{{Zork}} the dark, about to be eaten by a grue]],
** [[Literature/AnneOfGreenGables Green Gables, PEI]],
** [[Literature/TheLordOfTheRings Mordor]],
** [[Theatre/GuysAndDolls the oldest established permanent floating crap game in New York]],
** [[Film/FromRussiaWithLove Russia, with love]],
** [[Creator/WilliamBlake where there be Tygers]],
** [[AirVentPassageway your AC vent]],
:: And so on.
* 2014: The site thought tropers needed help editing and writing articles so they employed Lampshade, an {{expy}} of Clippit from Microsoft Office, that gives "helpful" tips. After two minutes, Lampshade will leave until the next time an article is being edited.


[[folder:Anime & Manga]]
* ''Anime/DemashitaPowerpuffGirlsZ'': The announcement that there was going to be a MagicalGirl anime SpinOff of ''WesternAnimation/ThePowerpuffGirls'' was presumed as an April Fools joke due to being announced on said date.
** More than that: it was announced on an April 1st, then nothing was said about it for months and months, with no new information to be had anywhere, until a follow-up announcement on, you guessed it, the following April 1st.
* ''Anime/JustBecause'' was originally announced through a teaser site for an unnamed "April 1st Anime" project. When further details were announced in Megami magazine the magazine made sure to point out that it was not a joke.

[[folder:Comic Books]]
* A few years ago, Marvel announced that ''ComicBook/SpiderGirl'' had been UnCancelled on April 1st.
* ''ComicBook/MyLittlePonyFiendshipIsMagic'' #1 was released on April 1st, 2015.

[[folder:Films -- Animation]]
* The trailer for ''WesternAnimation/TheSimpsonsMovie'' was released on March 31, 2006 with the second ''WesternAnimation/IceAge''. Despite being one day before April 1st, it did create some initial beliefs that Fox had been pulling an early April Fools' Day joke.

[[folder:Films -- Live-Action]]
* The [[http://insidemovies.ew.com/2011/03/31/leonard-nimoy-transformers-dark-of-the-moon/ casting]] of Creator/LeonardNimoy as the voice of Sentinel Prime in ''Film/TransformersDarkOfTheMoon'' was announced near April 1st. Extra skepticism points thanks to Nimoy's retirement from acting (which clearly didn't stick as he continued to act right until his passing in 2015).

* The announcement that Creator/HideakiAnno [[http://www.animenewsnetwork.com/news/2015-03-31/evangelion-hideaki-anno-is-new-japanese-godzilla-film-chief-director-writer/.86598 would be directing]] ''Film/ShinGodzilla'' film. It was announced on March 31st, but due to timezones it was April 1st in Japan.
* The digital release of ''Film/StarWarsTheForceAwakens'' was on April 1st, 2016.
* The ''Series/SesameStreet'' documentary ''Street Gang'', adapted from the 2008 book of the same name, was announced on April 1, 2016.

[[folder:Live Action TV]]
* Just days after the series finale aired, The Science Channel announces that they're rebooting Series/{{Mythbusters}}, starting with a reality TV style season in search of getting a new team together. Many assumed it's an April Fools joke given the day the news was published. As it turns out, nope, it's real.

* When ''Magazine/ElectronicGamingMonthly'', well known for it's April Fools' Day hoaxes (see above), announced in its April issue that Creator/{{Rare}}'s kid-friendly platform game ''Twelve Tales: Conker 64'' was being reworked into an adult-oriented game with plenty of swearing, innuendos, cartoon violence, and ToiletHumor, most people thought it was a joke. [[VideoGame/ConkersBadFurDay It wasn't.]]

* Kasane Teto, vip@2Ch April Fools joke {{Music/Vocaloid}}, actually did have her own voice, albeit synthesised in different program. And free.
** Inhabitants of vip@2ch used to do it every year since then.

[[folder:New Media]]
* Website/{{Google}}'s Gmail service was announced on April 1, 2004 with storage limits that (at the time) sounded absurdly unfeasible; it was no joke. Since then, Gmail has run an April Fools' joke every year, including such "new features" as a free email printing service (subsidized by giant red context-sensitive ads on the back of the emails) and a feature allowing the user to send an email to days earlier.
** The [[http://googlepress.blogspot.com/2004/04/google-gets-message-launches-gmail.html press release]] was even intentionally written to look like an April Fool's joke, tricking everyone who thought they weren't falling for the trick.
** And in 2007, a Google NY employee had to continuously state that his [[http://googleblog.blogspot.com/2007/04/snakes-in-plain-old-office-building.html 3 foot python really was loose in the building]].
* Popular gaming site The GIA[[labelnote:initialism]]'''G'''aming '''I'''ntelligence '''A'''gency[[/labelnote]] suddenly announced its dissolution on April 1, 2002. Readers were confused for ''months'' before finding out that, yes, it really was closing down, and many were angry that they would pick April 1 of all days to make the announcement. The GIA was later retooled into the ill-fated [=GameForms.com=], which didn't last very long; the site would remain dead for many years before being resurrected in 2013 (albeit without much content).
* ''WebVideo/NarutoTheAbridgedComedyFandubSpoofSeriesShow'' was meant to be one of these, but it ended up as a side project of [=LittleKuriboh=]'s. It currently has 5 episodes.
** That was 2009's AprilFools joke. In 2008, he made a fake ending to the series and "moved on" to Zork and Pals. Then in 2010, he created "a Anime/YuGiOh5Ds abridged" with everyone just shouting "CARD GAMES ON MOTORCYCLES!!!"; then it turned out to be Iruka and Joekage watching it and then showing each other their abridged series. Naruto lampshades at the end how tired it's gotten and complains.
* An ''accidental'' subversion: [[http://www.gamefront.com/ Gamefront]] (known back at the time of the incident as Filefront) announced on March 24, 2009, that they planned to shut down by the end of March. However, they managed to deal with their issues at that very moment and thus didn't close down after all; they just happened to be unfortunate enough to solve their problems by April 1st.
* Like ''Naruto The Abridged Comedy Spoof Series Show'', ''WebVideo/MyLittlePonyCamaraderieIsSupernatural'' started as an April Fools' joke for 2011 from the creators of ''WebVideo/SonicF''. It got popular enough that another episode was made.
* WebVideo/ReZonanceSoundtrackReviews' Bubble Bobble's soundtrack review ran on April 1, 2013. After a lampshade of the trope, the review was played completely straight. [[NotMakingThisUpDisclaimer It wasn't a gag review, or a prank, it was a straight up honest review.]] It even plays an important part to the continuity of the reviews.
* On April 1, 2010, [[Webcomic/{{Sonichu}} Christian Weston Chandler]] vandalized the [[http://sonichu.com/cwcki/List_of_Christian%27s_edits_to_the_CWCki CWCki]], a site dedicated to him and his webcomic. Most users assumed it was a prank at first.

[[folder:Tabletop Games]]
* The official ''MagicTheGathering'' website pulls off some sort of elaborate joke every year on April 1st, but occasionally hides some truth in it as well. Perhaps the best trick they pulled was on April 1st, 2004, when they announced ''Unhinged'', a sequel to the popular ''Magic'' joke set ''Unglued''. A few days later, it was revealed that the announcement was '''true'''.
** Aaah, but when else to unveil new Unglued cards but that most auspicious of days?
** The ''real'' Fool's Day Joke was the announcement that they were banning the Plains card: one of the resource cards you need to ''play the game''.
** In 2010, they put up an "Arcana" (mini-article) that was just a LongList of [[SuspiciouslySpecificDenial increasingly ludicrous]] rumors they want to debunk. Only the first 5 or so (of 38) were plausible enough to merit debunking.
* Sanguine Productions' 6-page, $1,279.95 PDF supplement for ''TabletopGame/{{Ironclaw}}'', known as The Book of Fools, is free on April Fool's Day.

[[folder:Theme Parks]]
* 2014 finally saw the debut of WesternAnimation/OswaldTheLuckyRabbit as a mascot in the Ride/DisneyThemeParks, specifically in Tokyo Disney Resort. Of course, [[http://disneyparks.disney.go.com/blog/2014/04/oswald-the-lucky-rabbit-makes-his-debut-at-tokyo-disneysea/ since the announcement happened on April 1]], one of the first comments was a verification on whether or not this was an April Fools' prank.

[[folder:Video Games]]
* Announced on April 1st 2012, ''VideoGame/SaintsRowTheThird: Enter the Dominatrix'' was thought to be an April Fools Joke until it was later revealed to be a real standalone companion game retailing for $30. Triply subverted as development on the game got so ambitious that it got revamped into ''VideoGame/SaintsRowIV'', and ''then'' the first ''Saints Row IV'' mission DLC is called -- wait for it -- ''Enter the Dominatrix''.
* ''[[VideoGame/DefJamSeries Def Jam Vendetta]]'' had an initial release date of April 1, 2003. Hardly anybody took seriously the idea of a LicensedGame where rappers beat the stuffing out of one another. The game actually met the April 1 release date, and it sold like hotcakes, inspiring a pair of sequels.
* As with several earlier examples, [[Creator/SquareEnix the merger of Squaresoft and Enix]] was initially thought to be an April Fools' Day prank because it was announced on April 1.
* ''VideoGame/TeamFortress2''[='=]s Jarate weapon for April Fools' Day 2009 is now a genuine weapon as of the Sniper vs. Spy update, release by the end of May 2009.
** Valve have also made multiple ''VideoGame/CounterStrike'' April Fools' Day updates.
** On the subject of Valve again, 13 indie games on UsefulNotes/{{Steam}} saw odd updates relating to potatoes on April 1st, 2011. Surely enough, these potatoes served as the omen to [[http://valvearg.com/wiki/Valve_ARG_Wiki something]] [[VideoGame/{{Portal}} more]] [[AlternateRealityGame sinister]] than a mere foolish prank...
** The 2013 April Fools was a form of zig-zag, since it was originally a straight-up joke (see Reddit's section in New Media above), but resulted in two new promotional hats for Reddit being added into the game two days later.
* Similiar to the ''Powerpuff Girls Z'' example above is ''VideoGame/MarioAndSonicAtTheOlympicGames'', which was also announced near April 1st and thought to be an elaborate prank.
* Similar to the previous example is ''VideoGame/PokerNight2''--however, the ''VideoGame/TeamFortress2'' items that you can get from this game were added to the ''Team Fortress 2'' files before it was even teased.
* Version 0.31.01 of ''VideoGame/DwarfFortress'', two years in the making, was released on April 1, 2010. No surprise that the website broke within the hour.
* Ogmo from ''VideoGame/{{Jumper}}'' has been announced to be a playable character in ''Super VideoGame/MeatBoy''. The fact that Ogmo and Meat Boy himself are look-alikes left those who saw the news skeptical.
* ''VisualNovel/{{Narcissu}} -side 2nd-'' was supposed to be released on April Fools' Day. It got updated a few hours early, and some still think it's an April Fools' Day joke.
* One April Fools Day, Max Barry announced that the UN-like organization in his browser-based nation simulation game ''VideoGame/{{Nationstates}}'' would change its name to the World Assembly because of a complaint from the real UN about his use of the name and emblem. Turns out, the UN really did send him a letter, and the change was made to comply with it.
* The fan-made ''Franchise/{{Pokemon}}'' [[MassivelyMultiplayerOnlineRolePlayingGame MMORPG]] ''Pokénet'' was shut down by Nintendo on April 1, 2010.
* ''VisualNovel/HatofulBoyfriend'''s introduction states that the character designs were released on April Fools' Day, and there's an anecdote (could be truth, could be just an UrbanLegend) that the creators of this game had originally intended for the game to be a normal DatingSim with human guys and posted bird designs for these guys on the website as an April Fools' joke, only for fans to love them so much that the game ended up being all about dating birds instead.
* Rovio Mobile announced an ''VideoGame/AngryBirds'' [[TheAnimeOfTheGame animated series]] on April 1st 2012.
* Whilst ''VideoGame/LeagueOfLegends'' usually plays this straight, a notable subversion was the announcement of the long awaited champion Lee Sin, the Blind Monk who was released a few days later. In the April Fool's version, he was indestructible and could kick across the map but the player was filtered through a blurry screen. Here's the [[http://www.youtube.com/watch?v=i3DWCGs3Tl8 April Fools spotlight]] compared to the [[http://www.youtube.com/watch?v=e6SleHuJjLo real spotlight.]]
* The remake of ''VideoGame/LaMulana'' had an AprilFools trailer, but not everything shown in it is fake...
* The announcement of ''VisualNovel/{{Rewrite}}'' by Creator/KeyVisualArts on April 1st 2008 was subsequently validated the following day.
** The announcement that Rewrite would be an adult game on April 1st 2010 was revealed as a joke.
** The release of a video showing the characters in distinctly un-Key like situation on April 1st 2011 was also confirmed the following day (and the events in video do actually happen in the novel).
* For ''VideoGame/WarThunder'', in 2013 Gaijin Entertainment released a trailer showing [[WesternAnimation/MyLittlePonyFriendshipIsMagic cute, colorful ponies]] as a new playable faction. Then they actually updated they game to include said ponies, each packing 4 20mm machine guns, 8 rockets tubes, and 2 half-ton bombs. Oh, and they each flew like a high-speed rocket plane. [[PeripheryDemographic Bronies]] were ecstatic, while brony-haters were... uh... [[StopHavingFunGuys not]].
** In 2014, they added a Kaiju snail for the Japanese army. With eye stalk lasers.
** 2015 saw them go for a two-fer.
*** One event was all about walking tanks - think the turret from a KV-2 plonked onto a pair of walker legs that wouldn't look out of place in ''Battletech'' and then whack a 20mm turret to either side of the KV-2 one. Players would start in a pre-set roster of normal tanks and have to earn points before they could spawn in one of the walkers.
*** The other was called "Unrealistic Battle" (referencing the game's own Realistic Battle mode) where players would control inflatable Shermans that launched high-explosive potatoes and armour-piercing carrots at each other in order to deplete their health bars (as a not-so-subtle dig at ''VideoGame/WorldOfTanks''). The Shermans would bounce around and their barrels would bend and wobble like you'd expect from a giant inflatable tank while holding the button that lets you check the status of your machine's internals would reveal that the interior was four guys on bicycles around a wooden platform that the 'gunner' stood on. He had crates of vegetables at his feet and used a strong slingshot to fire them out the barrel.
* In 2013, Konami [[http://i.imgur.com/4YXAMGH.png redecorated]] the ''VideoGame/{{jubeat}}'' e-Amusement website to promote "Wow Wow VENUS", with the unlock condition for the song ostensibly requiring tons of LevelGrinding. The site was reverted the day after as expected...but then, much to the joy of players wanting to play it, "Wow Wow VENUS" became an ''actual playable song'' the day after, freely available with no unlock precondition for one week, permanently so for the player if they played it once during that week. Currently, the song can be obtained by grinding through the "bistro saucer" unlock system.
* In 2014, ''VideoGame/{{Skullgirls}}'' developers [[https://www.youtube.com/watch?v=IXN5yr4dGIc revealed]] the newest addition to the game's cast: PaletteSwap MovesetClone character Fukua. Intended as a quick TakeThat against a [[https://www.youtube.com/watch?feature=player_embedded&v=dC-Hl33Xqpk certain other character trailer]], she was removed from the game shortly after AprilFools... and was later permanently added, with a complete moveset and her own story mode.
* ''VideoGame/TheBindingOfIsaac'' was confirmed for the 3DS, UsefulNotes/{{Wii U}}, and UsefulNotes/XboxOne on [[http://bindingofisaac.com/post/115192982234/rebirth-coming-to-3ds-wiiu-and-xbox1 April 1, 2015]]. Due to the timing, and a well known history that [=BoI=] has previously run into issues being released on Nintendo's eShop service, some thought it really was a joke, prompting the game's creator [[https://twitter.com/EdmundMcMillenn/status/583164512330592256 to state on Twitter that it's no joke.]] The dev did take the chance to still add in some jokes though, by making [[http://bindingofisaac.com/post/115192982234/rebirth-coming-to-3ds-wiiu-and-xbox1 a joke post]] stating that the Nintendo versions would have three "subtle" changes -- Isaac will now wear a fig leaf, the voice Isaac's mother hears coming from Max the dog rather than God, and the references to Christianity would be replaced by references to Scientology. A crossed-out section at the end claims that there are additional changes to the Nintendo versions such as replacing "blood" with "sweat" (a la the SNES version of ''VideoGame/MortalKombat1'') and "pills" with "lollipops."
* Creator/{{Nintendo}} made the announcement that they would indeed be holding a WebVideo/NintendoDirect on April 1, 2015, even stating in the announcement "despite the date, this Direct is no joke!" During said Direct they made announcements that caught many off guard, such as releasing the first debut trailer for ''[[VideoGame/TokyoMirageSessionsFE Shin Megami Tensei × Fire Emblem]]'' (after two long years of not announcing anything besides a short teaser), announcing that the fifth entry in the ''VideoGame/FatalFrame'' series (for the Wii U) will indeed see a release outside of Japan (after the previous entry failed to see an official non-Japanese release), [[VideoGame/{{MOTHER 3}} Lucas]] will be the next DLC character for ''VideoGame/SuperSmashBros 4'', [[ArsonMurderAndJaywalking and even the announcement]] that ''VideoGame/DonkeyKong64'' will hit the UsefulNotes/VirtualConsole service after many fans previously thought the game wouldn't due to rights issues.
* ''VideoGame/TheTalosPrinciple'' announced DLC that would replace the voice of Elohim with the voice of ''VideoGame/SeriousSam'' on April 1, 2015. It not only is an actual DLC, but it was also free for a short while.
* On April 1, 2015, Creator/BioWare revealed ZITHER!, a WanderingMinstrel mage with ThePowerOfRock as the first multiplayer DLC character for ''VideoGame/DragonAgeInquisition''. A month later, the Dragonslayer DLC was announced, and ZITHER! with his [[MechanicallyUnusualClass unique mechanics]] were confirmed as the DLC's new Mage agent.
* On April 1, 2016, Website/SFDebris posted a review of the ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' episodes, "Party of One," "Lesson Zero," "It's About Time," "Luna Eclipsed."
* On April 1, 2017 [[note]]March 31, 2017 in Japan[[/note]], Arika [[https://www.youtube.com/watch?v=o2x8c-RFGnA showcased footage]] of a long-awaited follow-up to ''VideoGame/StreetFighterEX'' and ''VideoGame/FightingLayer'' as part of [[MilestoneCelebration an extended celebration of the company's 20th anniversary]]. Though the video description clearly states that it's Arika's prank for the holiday, Akira's vice president [[https://twitter.com/miharasan/status/847840152223268864 quickly clarified]] that the game's closely-guarded development, not the product itself, was the actual joke, and a demo build was livestreamed at [[https://www.facebook.com/co.arika/posts/1334036619965033 an official promotional event/location test by Arika]] later that day. The game, known tentatively as ''Fighting EX Layer'', currently lacks funding and a publisher, with the proof of concept released to drum up public interest.
* ''VideoGame/{{Terraria}}'': [[http://www.terrariaonline.com/threads/duke-fishron-and-the-aquarian-horde.137907/ In the form of a joke post about a new boss and new invasion that came alongside it.]] This becomes {{Foreshadowing}} when it turns out the boss, Duke Fishron, is a real thing (sans the invasion). Further foreshadowing with the same boss, the April Fools post claims that Duke Fishron demands a fair fight, and will scale its HP based on how many players are in the server. In 1.3's Expert Mode, this is actually the case, where Duke Fishron's HP will increase the more players there are.

[[folder:Web Comics]]
* Subverted in 2010 by ''Webcomic/LookingForGroup'' who chose April 1 for some real yet unlikely plot development. It would seem that two party members met long ago, but the sane one was too badly hurt to remember in detail.
* ''Webcomic/{{Loserz}}'' brought us [[http://the-qlc.com/loserz/go/206 this strip]]. Jodie completely naked!
* After [[WebcomicTime several months]] of ''Webcomic/MegaTokyo'' being almost entirely Miho and Piro talking, April 1st, 2012 unexpectedly delivered a barely offscreen naked MagicalGirl wrestling match and Piro getting smacked in the face with a washbasin. [[http://megatokyo.com/strip/1332 Canonically.]]
* On April 1, 2003, ''Webcomic/QueenOfWands'' put up a comic where Shannon is shown crying and announces she's pregnant; it was removed a few hours later. Naturally it caused quite a bit of discussion as some fans had seen it and some did not. One year later the comic was put up again and ''stayed'' up, beginning a legitimate story-line.
* Most of the plot of ''Webcomic/{{Exiern}}''[='s=] Wild North story arc was [[spoiler:brought to a sudden conclusion on April 1st, 2014 when a newly arrived character [[http://www.exiern.com/2014/04/01/red-2/ interrupted the villain.]]]] This was so abrupt, and done by someone known to be trusted not to overreact, that it sparked debates as to whether it was real.

[[folder:Web Original]]
* Wiki/TheOtherWiki populates the "Featured article", "Did you know?", "On this day" and "Featured image" sections on its front page with content that appears humorous or absurd, [[SubvertedTrope but are legitimate topics]], such as factoids with puns and wordplay ("...that [[VideoGame/SpaceTravel space travel]] cost only US$50–75 in 1969?" Specifically, the video game), and featured articles on such diverse topics as [[PropheticName prophetic names]], "Fanny scratching" (the Cock Lane Ghost), Disco Demolition Night, and an Indonesian film literally titled ''?'' (the Featured article space contained a giant question mark and nothing else).
** The site also runs rampant with pranking by users, such as changing all the links on the {{Rickroll}} article to point to, well, a Rickroll, and [[SelfDeprecation jokingly nominating internal project pages (including articles on Wikipedia itself!) for deletion.]]
* On the Creator/AgathaChristie section of the [[http://jdcarr.com/forum/index.php Golden Age Mysteries Forum]], one member posted a [[http://jdcarr.com/forum/showthread.php?t=3023 thread]] speculating about [[NobodyOver50IsGay a possible lesbian couple]] in one novel. Because this thread was posted on April 1 2006, another member at first thought it was a joke.
* Once there was a major ''Website/DragonCave'' release on April Fools; neither the date or the name ("Mod Madness") lent credence to the idea that no, this was a legitimate release, and the eggs weren't going to disappear or become something ridiculous.
* WebVideo/TheMysteriousMrEnter did a unique subversion, where, on April Fools 2015, he posted a video that appears to be about the highly requested ''WesternAnimation/{{Foodfight}}''... [[spoiler:only for it to actually be a surprisingly good (and fairly recent at the time) ''WesternAnimation/TheFairlyOddParents'' episode, also named "Food Fight" (note the spacing).]] Of course, those who watched his "Top 11 Things I'll Never Review" video should have at least known that he wasn't talking about the movie.
* WebVideo/ToddInTheShadows pulled a similar trick, where he posted a One Hit Wonderland video involving the song "Float On". At first it appears to be the Music/ModestMouse song, but [[spoiler:it's actually a completely different song with that name, this one by the 70's soul group The Floaters]].
* An ''WebAnimation/InanimateInsanity'' {{Website/Kickstarter}} campaign was set up on April 1st 2016. This was justified as this was the series' fifth anniversary.
* Creator/RoosterTeeth, having been founded on April 1st 2003, has as a corporate policy to ''not'' to do any sort of pranks and usually uses the day to introduce trailers for new series and new seasons for existing series.. However, they ''do'' admit that it's amusing that fans will tend to claim one or more trailers are fake and are actually shocked when it turns out that it actually exists, despite that other fans will tell them that RT doesn't do April Fool's pranks. For example, take ''WebAnimation/RWBYChibi'' an extremely LighterAndSofter spin-off of ''WebAnimation/{{RWBY}}'', made extra silly-sounding by the fact that it was announced shortly after [[CerebusSyndrome the extremely dark]] Volume 3.
* In 2017, [[WebAnimation/{{asdfmovie}} asdfmovie10]] was given an un-announced release.
* The very first episode of ''Machinima/FreemansMind [[Videogame/HalfLife2 2]]'' aired on April Fools' 2017. The joke is that the viewer clicks on the video ''expecting'' it to be a joke, only to be surprised when it's actually the real episode. Some people suspected that it would turn out to be the ''only'' episode released or that, like its source material, [[VaporWare it wouldn't reach Episode 3]], but those proved false too. Ross Scott also deliberately stayed offline and didn't respond to any attempts to contact him for a week or so after the episode went up to help stoke the paranoia.

[[folder:Western Animation]]
* The long-awaited DVD sets for both ''WesternAnimation/TinyToonAdventures'' and ''WesternAnimation/{{Freakazoid}}'' were announced by Warner Brothers on April 1st, 2008.
* ''WesternAnimation/MyLittlePonyFriendshipIsMagic'':
** On 1 April 2012, Netflix added the first season to their online service. When Blog/EquestriaDaily posted about it (in the midst of a "Hasbro Takeover" for the day), no-one took it seriously. The next day, people realize they weren't joking. One more day later, and ''Friendship Is Magic'' occupies the "Most Watched Right Now" spot on Netflix.
** Meghan [=McCarthy=] announced that Mike Vogel would be working on the sixth season on the 1st of April, 2015 (this was just before the fifth season even started). Equestria Daily even waited until the following day to announce this, as they knew that if they announced it then, people would think this was another joke.*
* The first episode of season 3 of ''WesternAnimation/RickAndMorty'' was released by the creators on the 1st of April, 2017--and it is 100% real. Keep in mind season 2 had been finished for nearly two years at this point.

[[folder:Real Life]]
* Music/MarvinGaye was shot and killed on April 1, 1984 by his father. People were shocked the next day because then they knew it was true.
* People did not initially believe Tazz's departure from Wrestling/{{WWE}} was real because it was so close to April 1.
* "Think Geek" added a [[Franchise/StarWars Tauntaun]] sleeping bag to their catalog as an April Fool joke ... but response was so great they're now checking with Lucasfilms about making that bag for real. ([[http://www.thinkgeek.com/geektoys/plush/bb2e/ They got permission.]])
** The same happened with the [[http://www.thinkgeek.com/tshirts-apparel/interactive/a5bf/ Personal Soundtrack t-shirt]], which was an April Fools' Day joke that was so popular they ended up actually making one.
** Same with their ever popular [[http://www.thinkgeek.com/tshirts-apparel/hats-ties/9352/ 8-bit tie.]]
* Following a shift in power at Creator/{{CBS}} Sports and complaints over his being overexposed on the network (and appearing to be overly power-hungry), sportscaster Brent Musburger ended up getting fired on April 1, 1990, with the NCAA Basketball Championship game serving as his lame duck assignment prior to joining Creator/{{ABC}} Sports.
* The death of comedian Creator/MitchHedberg was questioned because it was announced on his website on April Fool's Day.
* Creator/SteveJacksonGames had an announcement about the long-desired ''Ogre'' update on April Fools Day 2012. But it wasn't a joke, the wargame ''is'' being republished. (The Kickstarter campaign was fully funded ''before the formal announcement''.)
* The April Fools equivalent in Hispanic countries is December 28. Be wary of the media in those parts of the world those days.
* [[http://en.wikipedia.org/wiki/April_Fool%27s_Day_Blizzard The April Fool's Day Blizzard]]. After a fairly below average winter, some people didn't believe that a huge blizzard would hit a week and a half into Spring; it ended up being Boston's third (now fourth) biggest snowstorm ever, coming only an inch shy of the winter season's 26 inches.
* Traditionally in the UK, if you try to pull an April Fool joke after mid-day, you ''are'' the fool, as April Fool's Day ends at mid-day. If someone tries to pull an April fool's prank on you after this point, you can get them back by chanting a rhyme similar to the following[[note]]there are several variations[[/note]]:
--> April Fool's Day is past,
--> You're the biggest fool at last!
* [[Music/TheBeatles Cynthia Lennon]] (Music/{{John|Lennon}}'s first wife) died of cancer on 1 April 2015.
* Also in 2015, Amazon announced their dash button service on March 31. They actually had to flat-out explain that [[http://www.usatoday.com/story/tech/2015/03/31/amazon-dash-ordering-button/70747342/ it wasn't an April Fools joke.]]
* The AMC Gremlin - the first American car designed to compete with foreign compacts - debuted on April 1, 1970. The car's highly divisive appearance ("Where's the other half of your car?") led many to call it a joke.
* [[http://venturebeat.com/2016/03/29/google-unveils-fiber-phone-a-10month-home-phone-service-coming-to-all-fiber-cities/ Google Fiber Phone]], a home-phone service by [[Website/{{Google}} you-know-who]], was announced close to April Fools Day 2016.
* At late March 2017, Crayola announced that [[http://www.huffingtonpost.com/entry/crayola-dandelion-retire_us_58dd657ce4b0e6ac7093865a they were retiring the color dandelion]] from their list. The company confirmed that it was not an April Fools stunt, and they announced that [[http://edition.cnn.com/2017/07/01/us/crayola-new-crayon-color-contest/index.html a new blue color]], appropriately named "[[http://www.crayola.com/splash/promos/newcolor Bluetiful]]", is taking its place in September that same year.