The X-Filesis weird and wonderful, but did you know there is something that connects it to loads of other TV shows and movies? With The X-Files reboot on the way, many viewers are revisiting the original show and feature films in preparation. There are plenty of interesting little background details in The X-Files that audiences don't always notice on their first watch, but even after binge-watching it a few times, there is one thing that they don't realize connects the show to a wider fictional universe.