...this is just asinine, so I'll be speeding through it. The janitor's lounging around his pimped-out digs, leafing through issues of The Weekly World News because The Kripkeeper apparently arranged for some sort of strange cross-promotion with that supermarket tabloid this week, so now this immortal prankster's drawing upon Bat Boy for inspiration, or something. He rises in his red silk boxers and white beater to graze through a buffet of sugary desserts, decides something's missing, and so conjures for companionship two imaginary bimbo stripper whores clad in little more than baby-doll teddies and stiletto heels just as the METAL TEETH CHOMP! arrives to drag all of their tedious and loathsome asses away from my sight.
The next morning, Our Intrepid Heroes arrive at Crawford Hall under the pretense of checking the wiring in a few additional offices. Sam LIES that he left some equipment in the truck, so Dean and the janitor continue upstairs without him. As soon as they've disappeared, Action Sammy barrels downstairs to the basement, where he ransacks the janitor's locker for clues. Unfortunately, the only thing he finds is The Weekly World News.
A short time later, the boys bicker over that bit of evidence as they leave the hall. Under the watchful eye of the janitor, who's eavesdropping on the whole thing from one of the windows above, Our Intrepid Heroes engage in a screechingly loud verbal slapfight over whose is bigger, or something, and then Angry Action Sammy storms off, yelling over his shoulder that Dean should wait until he comes back before confronting the janitor.
Later -- much later, for it's now evening -- Dean's still rather conspicuously loitering around the front of Crawford Hall, waiting for Sam. After pacing up and down the sidewalk one final time, he decides, "Screw this!" and bow-leggedly hops up the stairs to the entrance. Why did he stand there waiting for Sam for hours, you ask, only to enter the building on his own at this very moment? Because the crappy script said so, that's why. Now, shut up and let me get through the rest of this damn thing.