This weekend, BBC America’s brand new Supernatural Saturday block kicks off with Doctor Who, The Nerdist and the new original series, ORPHAN BLACK. To get in the mood, here are some of the most “what just happened” moments we all had when watching these supernatural television and film. (Warning: There are spoilers!) THE MATRIX: The 1999 film from the Wachowskis shattered the science-fiction and action genres, taking audiences and the main character, Neo, down…