* AdaptationSequence: Actual events > unreliable historical document by a man who was taking a break from writing about giant ants > Movie > Graphic Novel > Movie > Video Game
* BannedInChina: This film is banned in Iran because of the rather negative portrayal of Persians in this film (even though by an UnreliableNarrator).
* BeamMeUpScotty: Two minor examples:
** There's a good [[DramaticPause twenty-second pause]] between the ambassador saying "This is madness!" and Leonidas responding with his famous line. Understandably, people usually omit the long pause when they're quoting the film.
** Leonidas full quote is "Spartans! Ready your breakfast and eat hearty, for tonight we dine IN HELL!", but it's commonly shortened to "Spartans! Tonight we dine ''in hell''!" as it is in the trailer.
* DyeingForYourArt: The movie is a gigantic parade of special effects. The monsters, the blood, the surreal colors, none of it is real. But the ludicrously chiseled bodies of the Spartans? [[http://www.gymjones.com/knowledge.php?id=35 Quite authentic.]] The actors playing the Spartans, as well as the stunt crew, went through TrainingFromHell in order to earn those abs the hard way. For a sense of solidarity with his actors and to "feel like a Spartan" himself, director Creator/ZackSnyder did too.
* GeniusBonus: Leonidas calling the Athenians "boy lovers" isn't an insult on their homosexuality. Athens prohibits ''over-aged'' prostitutes. Leonidas was saying Athenians are a bunch of wimps for not having sex with "real" men.
* FakeNationality: There is not a single Greek or Iranian actor in a film about a battle between Greeks and Iranians.
** Mocked mercilessly by the Podcast/{{Rifftrax}} dub:
--->'''Leonidas:''' Och, give the Persian messenger some haggis and tell him I'll be right there!\\\
'''Leonidas:''' (''shouting'') LONG! LIVE! SCOOOOOOOOOOOOOTLAND...er...SPARTA!\\\
'''Leonidas:''' (''dying'') I can see whiskey... a great plate of steamin' haggis... a crappy, overgrown golf course....
** This is hardly without precedent, though. In British translations of classical Greek literature, it's traditional to render the Spartan's Doric Greek dialect into English with a heavy Scots accent, to give them the feeling of a more rough, "unrefined" culture compared to the Athenians, who usually speak RP. In American translations the Spartans are usually [[EverythingsBigInTexas Texans]].
* HeyItsThatGuy:
** Discounting the main cast, the Persian messenger is Hammond from ''VideoGame/DeadSpace'', and Xerxes is, of all characters, Paulo from ''Series/{{Lost}}''.
** [[Series/TheWire Jimmy McNulty]] as Theron continues with his philandering ways.
** And Stelios is a young [[MichaelFassbender Magneto]].
** Queen Gorgo is [[TheSarahConnorChronicles Sarah Connor]]
** [[RealLifeRelative Eli Snyder]] is the young Leonidas and would later play a young [[Film/{{Watchmen}} Rorschach]].
** [[Creator/GerardButler THIS! IS!]] [[Film/ThePhantomOfTheOpera2004 OPERA!]]
* HeyItsThatVoice: In the Japanese dub:
** [[Creator/JojiNakata Leonidas is]] [[Anime/{{Hellsing}} Alucard]], [[FateStayNight Kirei Kotomine]] and [[KeroroGunsou Giroro]]. [[http://www.youtube.com/watch?v=qPjffXLJ2sM And he's as hammier as Gerard Butler is in English]].
** [[Creator/KenjiNomura The Persian Messenger is]] [[VideoGame/BlazBlue Iron Tager.]]
** Xerxes was the Brazilian voice of StuartLittle.
* RecursiveAdaptation: The film was based on a Frank Miller comic based on his view of the film ''The 300 Spartans''... as in he loved it when he saw it as a child, later saw it as an adult and hated it, so he wrote a comic using his childhood memories as the basis - he used a NostalgiaFilter to ''enhance'' the work! The reason it hits the RatedMForManly button is because it's based around that integral process!
* RetroactiveRecognition: [[MichaelFassbender Stelios]] is a apparently a distant ancestor of [[Film/XMenFirstClass Magneto]].
* StarMakingRole: For Gerard Butler.
** [[Series/GameOfThrones Queen Cersei]] is a much nicer person this time around (and more faithful to her husband [[spoiler: even if she does get sexed up by another man]]).
** And yes, that's [[Series/SpartacusBloodAndSand Oenomaus]] getting kicked into the bottomless pit. Looks like he TookALevelInBadass since then!
* ThrowItIn: The Oracle's words are actually just ad-libbed gibberish by the actress who played her. Zack Snyder was delighted that she worked the word "Carneia" into it.
* The film had an UnreliableNarrator, and fans love it for what it is. If you're curious, though, [[http://payvand.com/news/07/mar/1246.html this]] article lists every inaccuracy regarding the film's portrayal of Persians.

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