(Image credit: 20th Century Fox & Universal Pictures)

Steven Spielberg's latest sci-fi movie, Disclosure Day, has finally hit cinemas worldwide. It's been eight years since the iconic director released a movie in this genre, re-entering his UFO era with a twisted alien thriller. To mark his momentous return to sci-fi cinema, we've taken time to gaze across his entire sci-fi slate, ranking them from worst to best.We use the term 'worst' lightly, though. Spielberg is a movie legend after all. To date, he's directed over 30 films during his illustrious career, crafting spectacular titles with a deep understanding of what it takes to truly tell a story. Frankly, if you don't recognize the nine movies listed here, well, where the devil have you been?So, hold onto your butts and please enjoy our ranking of Steven Spielberg's sci-fi movies, worst to best.Honorable mention: FirelightA short film called Firelight is arguably his inaugural entry into sci-fi cinema, with only a few minutes ever having been publicly released. While we can't place it in the rankings, it must be mentioned as Spielberg was only a teenager at the time, demonstrating his early genius and determination to bring his ideas to life.9. The Lost World: Jurassic Park