Every fandom has a handful of facts that get repeated so often they practically become part of the movie itself. Mention a beloved sci-fi, fantasy, comic book, or adventure film, and someone will inevitably bring up a famous behind-the-scenes detail.The funny thing is that many of these facts are no longer obscure. They’ve been shared in documentaries, interviews, conventions, and countless internet posts for years. Yet movie nerds still love dropping them into conversations as if they’re revealing a closely guarded secret. These are the kinds of movie facts that hardcore fans adore reminding everyone about, whether anyone asked or not.cnx.cmd.push(function() {cnx({playerId: "106e33c0-3911-473c-b599-b1426db57530",}).render("0270c398a82f44f49c23c16122516796");});IMDbHan Shot FirstOne of the most famous movie debates revolves around Star Wars. Fans never tire of pointing out that Han Solo originally shot Greedo first, before later special editions altered the scene and sparked decades of arguments.IMDbThe Stormtrooper Head BumpA stormtrooper accidentally smacks his head on a doorway in Star Wars: Episode IV. The mistake was left in the film and became so famous that later productions jokingly referenced it.IMDbThe Wilhelm ScreamThe famous Wilhelm Scream has appeared in countless films, especially beloved genre movies. Once fans learn to recognize it, they tend to point it out every single time it appears.IMDbThe Orc Knife ThrowDuring The Lord of the Rings: The Fellowship of the Ring, an Uruk-hai actor accidentally threw a real knife directly at Viggo Mortensen. Aragorn’s deflection in the finished scene was genuine, making it a favorite piece of trilogy trivia.IMDbSean Bean Dies AgainSean Bean’s reputation for dying in movies and television has become a meme unto itself. It’s often brought up whenever he appears in a new role, regardless of genre.IMDbThe Asteroid Field Sound EffectIt’s hard watching The Empire Strikes Back without someone pointing out that one of the sounds used during the asteroid chase came from striking steel support cables. It’s a classic example of creative movie sound design.IMDbBlade Runner’s Unicorn DreamFans of Blade Runner love discussing the unicorn dream sequence and what it supposedly reveals about Deckard. Entire essays have been written about a scene that lasts only moments.IMDbThe Raptor Sounds Are TortoisesThe terrifying velociraptor noises in Jurassic Park weren’t made by reptiles at all. Sound designers mixed recordings from several animals, including mating tortoises.IMDbThe Alien Costume SecretThe actor inside the Xenomorph suit in Alien was 7-foot-2 Nigerian artist Bolaji Badejo. His unusual physique helped make the creature feel genuinely otherworldly.IMDbThe Matrix’s Green TintFans love pointing out that scenes inside the Matrix feature a green tint inspired by old computer monitors. It’s a consistency that has survived to its fourth installment.IMDbThe One Ring’s InscriptionLord of the Rings enthusiasts enjoy explaining that the inscription on the One Ring is written in the Black Speech of Mordor. It is one of Tolkien fandom’s favorite bits of trivia.IMDbThe Back to the Future RefrigeratorBefore settling on a DeLorean time machine, early concepts for Back to the Future involved a refrigerator. Fans have been sharing this fact for decades whenever the movie comes up.IMDbBoba Fett’s Tiny Screen TimeBoba Fett became one of Star Wars’ most popular characters despite having surprisingly little screen time in the original trilogy. Both admirers and detractors of the character love reminding people just how brief his appearances actually were.IMDbThe Dice in the Millennium FalconLong before Disney turned them into a plot point, observant Star Wars fans noticed a pair of fuzzy dice hanging in the Millennium Falcon’s cockpit in the original film. It became a surprisingly famous background detail.IMDbThe Improvised HandshakeArnold Schwarzenegger’s iconic handshake challenge in Predator was improvised between him and Carl Weathers. Action movie enthusiasts rarely miss an opportunity to mention the story behind the handshake.The post 15 Movie Facts Nerds Love to Pretend Other People Don’t Know appeared first on Den of Geek.