Though we may know all the ins and outs of of our favorite films, memorizing every line, waiting excitedly for the most dramatic scenes and even memorizing the soundtrack,  any cinema buff knows that the final cut only tells half the story. 

For instance, did you know that Robert Pattinson and Benny Safdie hung out at a Domino's Pizza while filming Good Time or that the blood in Nightmare on Elm Street actually came from a squeeze bottle? 

From miniatures on the set of Return of the Jedi to Sidney Sweeney hanging out with her fellow “nuns” while filming Immaculate, here are 20 behind-the-scenes snaps from our favorite flicks.