Anna: a blooper is a screw up or a mistake that happens during the shooting of a scene. For exmaple, in James's part, Jon Shea, the actor playing Lex Luthor, couldn't open a door that was supposed to open in the original script.
Julie
Mulder: Imagine if you could come back and take out five people who had caused you to suffer. Who would they be? Scully: I only get five? Mulder: I remembered your birthday this year, didn't I, Scully?
