Beyond the nine seasons spent unraveling elaborate alien conspiracies, The X-Files was arguably as celebrated for its “Monster of the Week” episodes. The (general) rub: FBI agents Fox Mulder and Dana Scully track down and subdue (or fail to) all sorts of paranormal oddities (i.e. gooey parasites, sea monsters, deranged blood relations). Here are five of the creepiest monsters the show ever featured (including one that received a rare “viewer discretion” warning).
