[From
here.]
He set off, a little man with a toothpick and a flashlight, past his room's hallway and into the adjoining one. To be frank, he hadn't really cared where Castiel was cooped up before. Of course the lack of knowledge was going to bite him in the ass. Big surprise there. While he didn't intend to stand in the hallway all night, leaning next to the bathroom door, he could stay long enough to make sure Michael wasn't going to pass by on an innocent route to exploration.
Besides, he was probably having a hard enough time dealing with the fact that the doors unlocked when night hit. It was too bad he wasn't going to have a fun power-trip via intercom to contend with in his logical, human mind as well. That would've been amusing.