第五章（100）

Chapter 5: The Whomping Willow

Harry and Ron miss the Hogwarts Express due to Dobby's interference and decide to fly Mr. Weasley's enchanted car to school. They crash into the Whomping Willow, a violent tree on the Hogwarts grounds, damaging the car and getting themselves into trouble. The car escapes into the Forbidden Forest, and they are discovered by Professor Snape, who threatens to expel them. However, Professor McGonagall intervenes, and they receive detention instead. Harry and Ron's arrival at Hogwarts is marked by this chaotic incident, setting the tone for the challenges they will face throughout the school year.