1st and 2nd pictures: He was running around the house getting into things. He likes to play with the house slippers and pull on the shoe rack. He managed to pull it over.
3rd and 4th: Wearing my stocking cap.
5th: I put him on the floor because he kept crawling around on the couch and getting close to the edge. When I put him on the floor, he just scooted back until he was under the couch. The only reason he stopped going back was that his head was too big to fit underneath.