"I Don't Remember Letting You In" ... With a slightly embarassed recollection in her voice, Scully told Jose Chung, "I was surprised to wake up the next morning to find Mulder asleep in my room."
Chung sat back, a look of commiseration on his face, mumbling, "Ohhh." Flashback to Scully lying in a large bed, looking across the room in befuddlement, "but, Mulder, I don't remember even letting you in."