Weirdest dream I ever had was when I was like 8 years old. I live across the street from a high school, and there was some big event going on at the high school. As I approached the entrance, there were people standing around but everybody's back was facing me. I continued into the school to see what was going on, and everyone inside was facing away from me as well. As I walked down the hallway toward the gymnasium I started recognizing people from behind, but as I would approach each person, they would turn around and open their mouths wide to show big fangs and hiss at me. After this happened a few times i started running away from that hoard of vampires.
I ran to my grandparents house who only live about a block away from the school, only to find that they were vampires too!
I escaped once again and for whatever reason I went back to the high school, where i ran through all the vampires and made my way into the gymnasium. The gym was empty, except for one nerdy looking black guy in the corner of the bleachers cleaning with a dust mop. As I got closer, it became obvious that Steve Urkel was a janitor in my dream, and we had a conversation, although I don't recall what was said.
Then I woke up....