Many series with BlackAndWhiteMorality end up gradually getting more and more shades of grey as they continue on. What looks like a simple conflict between good and evil in the early installments gradually becomes more complex, and in the later installments there are many more gradations of morality. More often than not, the process is an unintentional side effect of exhausting the story possibilities of simple moral conflicts and adding less absolutely good or evil characters for variety's sake. In other cases, it's a deliberate statement by the creators about morality and conflict in general.

This can happen to entire genres: spy stories, war movies, westerns, superhero comics and so forth all incorporate significantly more BlackAndGrayMorality or GreyAndGrayMorality the longer the genres themselves are around. Also sometimes done intentionally as a means of averting or addressing ValuesDissonance in especially long-lived genres or works; the Western, for example, has changed as our historical perceptions of the American frontier have grown more morally ambivalent.

Compare CerebusSyndrome, DarkerAndEdgier and {{Grimmification}}, which can all sometimes involve this. However, plenty of works go through those tropes without shifting their basic moral scale.

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!Examples:

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[[folder:Anime and Manga]]
* It's getting more difficult for ''SoulEater'' fans to believe that the series used to be a comedy. Inclusions of MindRape, [[RapeAsDrama actual rape]], [[DealWithTheDevil deals with the voice in your head]], etc aside, the most triumphant example of this would have to be the point in the series where the Grim Reaper decides to wipe out a whole town because the Kishin just might be hiding there. It's justified by the fact that eventually the Kishin could wipe out the whole world, but the situation at just halfway through the story is that dire. Believe it or not, it's gotten worse.
* ''Manga/OnePiece'' started out as a story about a cheerful crew of good-natured pirates who fight other, more hostile pirates and a corrupt government. A little before halfway through the story, however, we start seeing absolutely ruthless fellow pirates who demonstrate why normal people fear that word, as well as government people who genuinely have the best intentions for the populace at large. The backstory of Luffy, the protagonist, comes up around this point in the series and strongly hints that [[spoiler:he fights the government not out of a sense of justice, but for personal revenge]], totally unbeknownst to his crewmates. Meanwhile, some key people from the military have defected while some notable pirates seen before have allied with the government, each for their own reasons. Finally, there is a growing notion that this government only appears to do evil actions to prevent superweapons with [[EarthShatteringKaboom the ability to destroy the entire planet]] from falling into the hands of those who actually want to use it, most of whom are pirates, many of them acquaintances of Luffy. At this point, there are good and bad people on both sides and plenty of hard decisions people with power and/or fame must make.
* The Universal Century continuity of ''Franchise/{{Gundam}}'' has undergone this as more series have been written. The original ''Anime/MobileSuitGundam'' was [[BlackAndGrayMorality light-gray versus black]], with the Earth Federation being a well-intentioned government led by responsible people fighting against [[ANaziByAnyOtherName space Nazis]], even though there were heroes on both sides and a few blemishes on the Federation. As the series has become more developed, the Federation has been increasingly portrayed as a corrupt and incompetent institution that inevitably becomes a tool of the villains, requiring heroes (who are often rather deeply flawed individuals themselves) to mutiny against the Federation to set it right. The various Zeonic movements remain consistently evil, though their leaders are often more sympathetic than the Hitler-idolizing Gihren Zabi.
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[[folder:Film]]
* The first ''StarWars'' trilogy (IV-VI) had this. ''Film/ANewHope'' was like a comic book, with mostly clear-cut heroes and villains (except for LovableRogue Han Solo). In ''Film/TheEmpireStrikesBack'', we learn that Obi-Wan [[JediTruth lied]] to Luke about his father. In ''Film/ReturnOfTheJedi'', Luke is told that he must kill his own father or the Emperor will win.
-->'''Obi-Wan:''' Luke, you're going to find that many of the truths we cling to depend greatly on our own point of view.
** And don't even get us started on the expanded universe.
** Or the prequels. ChildSoldiers and slave army, anyone?
* The longer the ''Film/JamesBond'' film series has gone on, the more and more gray has crept in regarding Bond's role. (This was a feature in the original novels to some extent, but the films tended to ignore it.) The recent ContinuityReboot with ''Film/CasinoRoyale'' seems to have started from the gray area.
** The films begin with ''Film/DrNo'' and ''Film/FromRussiaWithLove'' and both those movies are pretty gray, the latter revolving around Bond manipulating a woman into stealing a MacGuffin (albeit unaware she's a double agent). It gets somewhat less so with ''Film/{{Goldfinger}}'' and the others, but really how gray a Bond film is really depends on the film itself, and is pretty cyclical. ''Film/CasinoRoyale'' wasn't Gray because the series was light, but because the Brosnan films were (''Film/LicenceToKill'' before them being [[DarkerAndEdgier the darkest and grittiest]] film Bond ever.) Plus, Bond is Bond- a [[MrViceGuy smoking, drinking, womanising]] state spy and [[ProfessionalKiller assassin]], and all that entails, in every appearance. He's a JerkWithAHeartOfGold at best.
* ''Film/PiratesOfTheCaribbean'' already starts off as GrayAndBlackMorality, but includes distinctly white characters such as Will Turner and Elizabeth Swann. These characters gain shades of gray throughout the second and third movies.
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[[folder:Literature]]
* ''Literature/{{Animorphs}}'' starts off as a typical children's sci-fi with the Yeerks as evil and the Animorphs, and by extension the Andalites, as the good guys. This doesn't stick. Specifically, while some characters ([[BigBad Visser Three]] and [[EldritchAbomination Crayak]] stand out) are introduced at and stay firmly in "evil" territory, the Yeerks as a whole are revealed to be a nuanced race with a sizable peace faction, the Andalites are elitist and in some ways only barely better than the Yeerks, and the Animorphs have to go ''seriously'' grey before all is said and done.
* ''TheSagaOfDarrenShan'' series developed along these lines due to the CharacterDevelopment of the protagonist and narrator. While most of the adult vampires would admit that there was some good in themselves and the rival vampaneze, the story is told form Darren's point of view. The effect was that the act of taking blood went from a horrifying abuse of other people to everyday routine, vampire culture went from rigid and savage to traditional but noble, and even the Vampaneze, a branch of vampires who serve as the main antagonists, killing every time they had to drink blood and killing several of Darren's friends, went from being regarded as monsters to seen with a respect almost similar to that between diffrent countries or rival political parties.
* Karen A. Brush's children's book ''The Pig, The Prince, and the Unicorn'' begins as a classic Good vs. Evil Quest story, but as the naive protagonist (the titular Pig) finds out more and more about the opposing side as he journeys, at the end of his quest he's totally conflicted about whether to go through with it or not.
* The SwordOfTruth is an inversion. It starts out with a deep discussion of good and evil, right and wrong, and cause-and-effect, including black, white, and lots of distinct shades of grey. As the focus of the series switched to the war against the Imperial Order, it became a very us-against-them, black-and-white morality environment, to the point where the protagonists were doing things at the end of the series that they would have decried as evil at the beginning.
* The ''Literature/HonorHarrington'' series started out reasonably black-and-white, with the Star Kingdom of Manticore clearly the good guys going up against the bloated, expansionist People's Republic of Haven that has to expand to stave off economic collapse. The Havenites get even worse in some respects when a coup overthrows the government and the new leaders authorize policies that make the original regime seem downright benign in comparison (this is the series that named StateSec), but while that's going on, several Havenites were given rather deep characterization that showed that most of them were decent people who were rather powerless to improve things. At the same time, many Manties were introduced who were rather self-centered at the expense of others, if not downright evil; the same happened with most of Manticore's allies. Almost every faction, good and evil, has been deconstructed at some point to show that everywhere you go you'll find some bad people, some virtuous people, and mostly neutrals who are rather swayed by the people in charge. About the only groups still firmly at one end of the spectrum are the Masadans, or at least the men of power there, and those secretly in charge of the Mesan Alignment, both of which are decidedly evil.
* ''Literature/GalaxyOfFear'' has hints of this right at the start, where Hoole tells the protagonists that no, the Empire isn't a monolith of evil, but the early books still all have pretty black and white Imperial and Rebel representation. In the later books there are still loads of evil Imperials, and there's reluctance to really tarnish our heroes, but there's an Ineffectual Sympathetic Imperial and a cold but fair NobleDemon one. Some heroic characters are also forced into doing unheroic things, but a point is made that [[TearsOfRemorse these don't come easily to them]].
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[[folder:Live-Action TV]]
* ''Series/BuffyTheVampireSlayer'' started it with purely evil vampires but just one exception; over the seasons, the need for more interestingly human villains and the larger point about power toward which JossWhedon was building gave us grayer elements, like more humanly motivated vampires, and even relatively harmless but ostensibly "evil" demons. The SpinOff show, ''Series/{{Angel}}'', went still further into gray with the premises and universe Buffy originated.
* ''Series/{{Lost}}'' developed this in later seasons with the Others, whose motivations were pretty mysterious to begin with, but especially with Ben (the leader of the Others), who is pretty firmly established as a bad guy even though he constantly claims that he and his people are the "good guys" (and he's also a notorious liar). In later seasons, however, Ben becomes more sympathetic, due to both his FreudianExcuse and the fact that he's an interesting character. By the end of season five he's actually been ousted as the MagnificentBastard because of the fact that he's been manipulated by someone who appears to be more evil than he is (Jacob's enemy). Maybe. Unless Jacob is the bad guy, because Jacob is leading the Others, and they're bad...unless they're not. And of course, the island is frequently visited by people who are definitely worse than the Others, and Jacob is the sworn enemy of a guy who despite not starting as such, is said to be MadeOfEvil.
* ''Series/OnceUponATime'' (written by some of the same writers as ''Series/{{Lost}}'') is also headed here. When {{BigBad}}s Rumplestitskin and Regina are given backstories that can give them a good argument for being TheWoobie and ''Snow White'' commits a calculated, cold-blooded murder (albeit, it was a great case of PayEvilUntoEvil) you've landed here.
* ''Franchise/PowerRangers'' started out with wholesome community-minded teens vs evil [[EvilIsPetty petty]] space aliens. Around seasons six and seven it started having some villains that weren't wholly bad ([[Series/PowerRangersInSpace Ecliptor, Astronema]], [[Series/PowerRangersLostGalaxy Villamax]]) and some heroes that weren't completely good ([[Series/PowerRangersLostGalaxy the Magna Defender]]). The series has never completely stepped away from BlackAndWhiteMorality, but there's some shading to it now.
** ''Series/PowerRangersTimeForce'' was a radical shift. After Ransik lectured the Red Ranger about his origins, the Ranger was really troubled. You can seriously ask whether the Rangers are protecting innocents from monsters, or they are the armed force of a dystopian society destroying anyone not perfect. Doesn't help that the Rangers cryogenized the mutant instead of killing them, which the fandom interpreted as FateWorseThanDeath instead of mercy.
* This is a common theme throughout ''Series/TheSarahConnorChronicles''. It starts out with Skynet being clearly evil and the Connors being clearly good, but the Connors' efforts to stop Judgment Day quickly make them NotSoDifferent from the robots they're fighting, to the point that they [[AntiHero openly admit to being terrorists]]. Their Graying Morality is really driven home in "Dungeons and Dragons", when Sarah [[IronicEcho repeats]] Kyle Reese's warning about the Terminators from [[TheTerminator the first movie]]... but this time it applies to Derek murdering [[spoiler: Andy Goode]] in cold blood.
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[[folder:Music]]
* BillyJoel's song "Shades of Grey" is about this phenomenon occurring in his RealLife.
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[[folder:Multiple Media]]
* Each iteration of the ''Franchise/StarTrek'' franchise seemed to get a bit "grayer" than the one before it; ''The Next Generation'' was grayer than the unabashedly utopian original series, ''Deep Space Nine'' was grayer than ''TNG'', and by the 2009 film, Kirk's originally heroic archetypal traits were seen as straddling the line between heroic strengths and serious personal faults.
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[[folder:Web Originals]]
* Effectively the entire premise of {{Phantasia}}.
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[[folder:Videogames]]
* ''VideoGame/{{Hitman}}: Blood Money'' has the first time 47 kills an innocent man, and he kills other innocent men later on, signaling a shift from the earlier games' morality.
* The original ''VideoGame/MegaMan'' series is fairly [[BlackAndWhiteMorality Black And White]]. The [[VideoGame/MegaManX sequel]] [[VideoGame/MegaManZero series]] get less and less so.
* In the ''Franchise/MetalGear'' series, the first game is very straightforward: you are to stop the leader of Outer Heaven to prevent war. [[spoiler:Even though the leader turns out to be your commanding officer, it's very clear that you're supposed to stop him anyway.]] As the series goes on, it becomes less and less clear who, if anyone, is actually evil and not just a WellIntentionedExtremist.
* WordOfGod has it that this was intended to occur over the course of the first ''VideoGame/{{Geneforge}}'' game. Arguably, it's more subtly developed over the course of the series, as the rebels got more opportunities to make their arguments (and even took the spotlight in the fourth game.)
* The Original CommandAndConquer was very black and white, but by C&C 3 the two sides are very very grey
* ''VideoGame/MassEffect1'' was a very clear-cut black-and-white sort of game, but ''VideoGame/MassEffect2'' descended into the realm of BlackAndGreyMorality. ''VideoGame/MassEffect3'' was comprised largely of very, very grey decisions, and even tried to make the {{Eldritch Abomination}}s more gray than black.
* While many of the subplots of ''VideoGame/DragonAgeOrigins'' are very gray and many of the characters are morally questionable, the central conflict is between humanity and horrifying parasitic near-mindless monsters that love rape, cannibalism, and slaughter. The expansion pack ''[[VideoGame/DragonAgeOriginsAwakening Awakening]]'' features those same monsters, but [[spoiler: some of them are not so mindless and evil, and one of them wants to stop his brethren from trying to destroy the world every few hundred years, albeit in a way that inadvertently caused the very invasion he was trying to stop.]] ''VideoGame/DragonAgeII'' takes it further; the central conflict is between [[WellIntentionedExtremist factions of people who do bad things for good reasons]], most of the major characters are ''deeply'' flawed, and no one person or entity is the BigBad.
* While more {{Black And Gray|Morality}} than {{Black And White|Morality}}, ''VideoGame/BlazBlue'' shows signs of Sector Seven turning darker and darker as more of its dirty laundry is put out to air. Acts of terrorism are the norm in works like this, but we soon learn that [[spoiler:Kokonoe keeps [[NukeEm a loaded nuke silo]] [[BestServedCold as a "solution" for Terumi]], she [[UnwittingPawn aided Relius in making a core for Ignis]] [[MyGodWhatHaveIDone and lost several of her workmates and nearly Tager over it]]]], the upper management recently redeployed [[BloodKnight Azrael]] (someone who spent the whole time in ''prison'' because of uncontrollable violent urges to attack everything in sight, even allies) to the front lines, and said upper management and possibly Kokonoe [[LeftForDead left Bullet and her squadron for dead]]. It seems the latest recruits (Makoto and Noel) are only onboard due to picking the lesser of two evils - aside from whatever remnants are in Ikaruga alongside NOL Ibukido, their only alternative for supporting their families is NOL Main Branch, and both Terumi and Relius find the two girls... troublesome, to say the least. The feeling is mutual - continued murderous hostility from Captain Hazama (aka Terumi) and Noel's tempering into Mu-12 pretty much convinced them both that they've had enough of the Main Branch.
** While the Main Branch is probably beyond help thanks to Terumi and Relius, NOL overall would probably get a little lighter thanks to having [[TokenGoodTeammate Litchi Faye-Ling]] since CS End, even if she's actually ForcedIntoEvil. Why? She still retained her kind aura and hasn't fallen into complete obedience for the sake of her desire to save Arakune as well as still not trusting the two monsters above, if she could survive and things are lucky enough, her influence might make NOL loosen up in terms of dictatorship. Tsubaki Yayoi, if she still has her lucid moments, still would try her best to serve the people, but since she's currently {{Brainwashed}}... Regardless, these also kept the NOL side from falling to even worse.
** Adding further, there's also the fact that one family in the Duodecim, the Mutsuki house, the most powerful one at that, is unsatisfied with how NOL runs things and its leader Kagura Mutsuki is heard about planning a coup. For good or for bad, it's unknown so far, thus it mucked things up further. [[note]]If Kagura really thinks that the one making NOL fall even worse is really Terumi and Relius and trying to fix things, then probably the NOL side gets lighter, but if Kagura did it out of self-glory and thinking that he/she can rule the NOL better himself/herself in a selfish fashion, then the NOL side gets darker.[[/note]] Sure enough, Kagura ends up being announced as a console-exclusive character and he seems okay with storing Noel and Makoto, currently public criminals of NOL and talking with them more casually to further his coup plans.
%% * The opening scene of ''VideoGame/TheElderScrollsVSkyrim'' seems to be added for the sole purpose of making sure you hate TheEmpire - they're prepared to execute several carts full of prisoners, including at least one for a petty crime (and they proceed to chase him down and kill him when he tries to escape) and one (the PlayerCharacter) merely for crossing a border when they happened to pass by. As the game progresses, and especially if you join them, you come to realise that things aren't as simple as they seem on both sides of the civil war.
* ''VideoGame/AssassinsCreedIII''. Unlike the previous games, where the Templars were AxCrazy sociopaths and/or [[EvilOverlord megalomaniacal tyrants]] [[AGodAmI with delusions of godhood]], here most of the Templars Connor encounters are {{Well Intentioned Extremist}}s who genuinely believe they are doing the right thing and that Templar rule truly is the best course for the world. We also start to see cracks in the Assassins' claim as the "good guys" when [[spoiler:the Patriots basically stab Connor and his tribe in the back, and he is [[CategoryTraitor forced to fight them to avoid further conflict]]]].
* Almost every game in the ''Tales Series'' does this, with the story starting out like a typical BlackAndWhiteMorality ClicheStorm before eventually revealing the villains have understandable motives and occasionally the heroes may not be entirely good.
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