Dilbert walks down a hallway thinking, "Uh oh . . . Double doors. One side is always locked and I make a fool of myself trying to open it." Dilbert thinks, "Which side is it? Left? Right? People are watching. Think, think . . ." Dilbert arrives at home looking dirty and disheveled. Dilbert says to Dogbert, "That's when I noticed that the ventilation ducts were big enough for a human to crawl through." Dogbert says, "Too bad they didn't lead to outside."