There is a motor sound, and the two professors look up to see a flying motorcycle coming down from the air. It skids on the street and halts. A large man, RUBEUS HAGRID, takes off his goggles.
McGonagall: Albus, do you really think its safe, leaving him with these people? I've been watching them all day. They're the worst sort of Muggles imaginable. They really are
Hagrid nods. Dumbledore takes a letter and places it on the baby, who is now at the foot of the door. The baby has a visible lightning-bolt shaped scar on his forehead.
Suddenly, the door thumps. Harry jumps. The door thumps again and Dudley and Harry jump up and back away. Petunia and Vernon appear, Vernon with a gun. The door bangs again and then cracks open, and a giant man appears