Harry Potter is left on the Dursley's doorstep
Harry, left alone on the doorstep of [number four, Privet Drive], falls asleep - knowing nothing of his fame, nor of the horrible life he was about to live.
Dudley's Birthday Trip to the Zoo
Harry Potter wakes up in the [cupboard under the stairs] and is reminded by [Aunt Petunia] that today is [Dudley]'s birthday.
In the [Dursleys' kitchen], Harry cooks breakfast while [Dudley] gets upset over having fewer birthday presents than last year. They also learn that Mrs. Figg can't watch Harry, which makes [Dudley] cry.
Harry thinks back to all the funny things that have happened to him that have gotten him in trouble: his hair growing overnight, an ugly sweater shrinking as he tried to put it on, and jumping onto the roof of the school kitchens.