"He got up and there were both of us in our underwear and this kid goes through the whole thing again, all the closets, the bathroom, everything else and then he left"

The quote by Rod Steiger is most likely describing a circumstance in which he and an additional person were in an area together, both in their underwear. The various other individual, probably a kid, then proceeded to search the room, experiencing all the wardrobes and also the washroom, as if seeking something. After the search was full, the child then left the room. This could be interpreted as a scenario in which the youngster was trying to find something that was concealed in the space, as well as after not finding it, left. It might likewise be interpreted as a situation in which the youngster was trying to find something that was not in the room, as well as after realizing this, left. Either way, the quote implies that the youngster was searching for something, and after not finding it, left the space.