It's Groundhog Day meets The X-Files in tonight's episode. "Monday" finds Mulder and Scully stuck in a time loop, but more importantly answers the question of what Mulder did with his waterbed after "Dreamland." And what's not to love about getting our heart broken watching Mulder and Scully try to save each other over and over again? Here are your best tweets from #XFRewatchMonday.