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Tropes that are there because the writer had to include them--especially when a sharp-eyed viewer can tell the creator would have preferred to leave them out.

It happens for a number of reasons:
* Systematic ExecutiveMeddling
* MoralGuardians[=/=]PoliticalCorrectnessGoneMad
* A CensorshipBureau
* NecessaryWeasel (Requirements of the genre. For instance, if you want to do a PoliceProcedural, you had better include the procedure.)
* [[PragmaticAdaptation Constraints of the medium]]
* [[MediaWatchdog Government regulations]]

May lead to WriterRevolt in extreme cases. Clever writers may attempt GettingCrapPastTheRadar.

Contrast SubvertedTrope, AvertedTrope, DefiedTrope.
!!General examples:
* ActionGirl: At least when a show is action/adventure-oriented and has a prominent female role. Otherwise, the whole thing just looks plain discriminatory.
* CensorshipTropes: You can't ignore the censors without consequences.
* Being forced to {{Bowdlerise}} a work. The enforcers could be MoralGuardians, government requirements, or ExecutiveMeddling.
* When fiction deals with the history of some region, it may sometimes need RoseTintedNarrative to get mainstream success in that region. In worse cases, Rose Tinted Narrative will be required for [[BannedInChina publication]].
** The DeepSouth in the first several decades of film got a lot of rose-tinting.
** Also happens with other works that require the authorization of their subjects--authorized biographies, for instance.
** Under UsefulNotes/TheHaysCode, priests, ministers, and other religious authorities had to be portrayed respectfully without exception. Fittingly, one of the co-authors of the Code's actual text was a Jesuit Catholic priest--and while he acknowledged that not all "ministers of religion" were worthy of respect, mockery of any one of them would (supposedly) encourage sacrilegious attitudes.
* AvoidTheDreadedGRating. It's presumed that any work that ''can'' be seen without moral qualms by anyone, regardless of age, is not worth seeing by adults ("children will watch ''anything''"). Since this would cut into profits by scaring off parts of the potential audience, it needs to be avoided.
* YourPrincessIsInAnotherCastle is all but unavoidable in TV series if they run long enough.
** LeftHanging can easily be forced on a TV series if it gets ScrewedByTheNetwork.
* RatedMForMoney is often caused by ExecutiveMeddling.
* TheCoconutEffect, because RealityIsUnrealistic.
* CoconutSuperpowers, because of budgetary problems during production.
* A SpiritualSuccessor may be created because a legal dispute renders a true sequel impossible.
* Any medium that relies on a small amount of people on a hectic time table will occasionally not be able to do the research correctly, and make some mistakes. Especially if they're on a contract.
* Any work that [[MerchandiseDriven exists to promote or sell a product]] (such as a line of toys) will be constrained by product availability, turnover, popularity and gimmicks. {{Transformers}} is probably the most successful example.
* The AudibleSharpness in ''Film/TheLordOfTheRings'' was going to be averted, until [[TheCoconutEffect test audiences had trouble accepting the absence of the trope]].
* DawsonCasting can sometimes be necessary for legal reasons. One example is the film adaptation of ''Literature/TheReader''. Michael Kross legally couldn't shoot his sex scenes with Creator/KateWinslet until he had turned 18. A very common example is to avoid Union regulations and/or actual laws in regards to youth actors.
** ''Series/GameOfThrones'' takes this even further. In [[Literature/ASongOfIceAndFire the books]], Daenerys Targaryen is 13 when she is [[ArrangedMarriage married off]] to [[ProudWarriorRaceGuy Khal Drogo]], and eventually becomes pregnant with his child--just as she turns 14. She was aged up significantly to avoid the MoralGuardians, but as the time of her birth is tied to [[GreatOffscreenWar Robert's Rebellion]], the rest of the cast had to be aged up as well. Of course, this allows a few ''more'' characters to get that delicious high-skin {{Sexposition}} time, so it works out, we guess?
* PacManFever. Using a modern game would involve licensing or ProductPlacement agreements. Generic 80s arcade sounds do not.
* PostScriptSeason: This is almost never something planned by the writers. If a show is renewed, it'll get written for, but the writers then have to work their way out of the constraints of the original story.
* OurLawyersAdvisedThisTrope: Legal disclaimers are necessary to stave off attacks from overzealous lawyers.
* FiveFiveFive: Fictional phone numbers and addresses may need to avoid corresponding to ones in RealLife.
* NoBudget: When the creators are limited by budget constraints.
* WhiteMaleLead is usually employed because the entertainment industry feels (rightly or wrongly) that in order to appeal to whites, they need a white lead because white people won't relate to a minority.
* PrecisionFStrike shows up in many movies whose producers had to fight for "PG-13" ratings, since the MPAA's rules on profanity mean that a movie arbitrarily receives an "R" rating if it uses the word "fuck" more than once.
* In the ''Franchise/StarWars'' universe, [[OldMaster Yoda]] remains an example of InexplicablyAwesome because Creator/GeorgeLucas explicitly forbade ExpandedUniverse writers from exploring his backstory, or revealing anything major about his (still unnamed) species.
* ProductPlacement is often the result of ExecutiveMeddling, while some are done with the agreement of the filmmakers. Whatever reason, this trope brings more money to the production, which is often a necessity for covering the costs of filming.
* SecondaryCharacterTitle notably shows up in many of Creator/WilliamShakespeare's plays that deal with historical monarchs and rulers. Because of the Elizabethan era's rigid social hierarchy, characters of higher social status had to set themselves apart from the commoners by speaking in verse, and plays always had to be named for the character of the highest social ranking--even if they weren't actually the protagonist. Examples include ''Theatre/JuliusCaesar'' (where the protagonist is Brutus), ''Theatre/{{Cymbeline}}'' (where the protagonist is Cymbeline's daughter Imogen), ''Theatre/HenryIV'' (where the protagonist is the young Prince Hal), and ''Theatre/HenryVI'' (which is about the feuding English nobility in the Wars of the Roses). [[note]] The only reason his most famous tragedy is called ''Theatre/{{Hamlet}}'' instead of ''Claudius'' is that Claudius isn't the ''legitimate'' King of Denmark.[[/note]]
* AdaptationalModesty is practically mandatory in movie adaptations that strive to reach a general audience. Even if an actor is comfortable with appearing naked onscreen, extended scenes of full-frontal nudity pretty much ''guarantee'' a film an "R" rating, which makes a film much harder to market. Especially mandatory if a character is underage; while putting naked underaged characters in a novel or comic book might fly, it most definitely ''doesn't'' in a movie or television series, where ([[DawsonCasting with a few exceptions]]) they have to be played by real underaged actors.
* TwoPartTrilogy: When a work turns out to be particularly successful, executives often demand two or more followups [[CashCowFranchise to cash in on the success of the original]], which necessitates writing one story that can be stretched over multiple installments. Conversely, when a writer gets an idea for a multi-part story, they usually can't get the later installments greenlit unless the first one turns out to be successful, which necessitates writing a first installment that can stand on its own.
* In ''Film/WhoFramedRogerRabbit'', WesternAnimation/BugsBunny and WesternAnimation/MickeyMouse and WesternAnimation/DonaldDuck and WesternAnimation/DaffyDuck are Enforced examples of ThoseTwoGuys. When the production staff at Touchstone Pictures (an alternate label for Creator/{{Disney}}) went to Creator/WarnerBrothers for permission to use ''WesternAnimation/LooneyTunes'' characters in their film, Warner Brothers only agreed to let them use the A-listers Bugs and Daffy on the condition that they both receive ''exactly'' as much screentime as Mickey and Donald, respectively. The only surefire way to honor that agreement was to have both characters share every scene with their {{Alternate Company Equivalent}}s, with neither character appearing without the other.