When Max comes into the living room with a tray of cookies, 'just took them from the oven,' he's not using potholders, so his hands should be burned. He also sets the tray on a coffee table, which would burn the table.
When Lisa wakes up from a nightmare and Jonathan and Jennifer are comforting her, Max is waiting for his cue in the corridor. His shadow is clearly visible on the wall just behind the Harts. A few seconds later he runs into the room and asks if 'Everything's OK'.