Did you know that some of the most beloved science fiction franchises in existence are all related or possibly in the same "universe?" While it had long been speculated that there was a connection between the Alien and Blade Runner worlds, the idea was essentially confirmed with the DVD release of Prometheus. In one of the bonus features on the disc, you may read a letter from Peter Weyland, in which he talks about his mentor in robotics, and how it eventually all "blew up in his face." For those who know their Blade Runner history, it becomes quickly evident that Weyland is referring to none other than Eldon Tyrell, head of the Tyrell corporation from Blade Runner. This revelation sets Prometheus (in 2089) between the original Blade Runner (set in 2019) and the first Alien film (about 2122) chronologically, creating an overlap further hinted at in Blade Runner: 2049.

In addition to this confusing and intriguing timeline, there's also the link to the 1988 sci-fi film Soldier, which is considered an unofficial sequel/sidequel to the original Blade Runner. Additionally, die-hard fans of Joss Whedon's series Firefly (and subsequent movie, Serenity) can tell you that the logo on Mal's turret gun in the pilot episode belongs to none other than the Weyland-Yutani corporation from the Alien franchise. Given that Weyland-Yutani folded around 2349 and that the Battle of Serenity Valley was in 2511, it's a perfect example of how outgunned the Browncoats were against the Alliance—they were using 150-year-old artillery technology. Finally, there's the whole Predator connection, which was thoroughly explored in two completely unnecessary Alien vs. Predator movies.