The listing, Harry Potter and the Prisoner of Azkaban[DVD]2004 has ended.
Harry back at the Dursleys, where he sees on Muggle television that a prisoner named 'Black' has escaped. Harry involuntary inflates Aunt Marge when she comes to visit. This leads to his running away and getting picked up by the Knight Bus. He travels to Diagon Alley, where he meets Cornelius Fudge, the Minister for Magic, who asks Harry to stay in Diagon Alley for the remaining two weeks before the start of the school year at Hogwarts.
The night before he is to leave for Hogwarts, Harry learns that the escaped prisoner, Sirius Black, is a convicted murderer, and it is believed that he wants to kill Harry. On the way to Hogwarts, a Dementor boards the train, causing Harry to faint, but he is helped by the new Defence Against the Dark Arts teacher, Professor Lupin. Harry, Ron, and Hermione learn that the Dementors will be patrolling the school in an attempt to protect Harry from Black. At Hogwarts, Harry has several problems with the Dementors, including an episode at a Quidditch match, during which he faints and falls off his broomstick from around 50 feet in the air. His broom is smashed by the Whomping Willow. Working with Harry outside class, Lupin teaches him the Patronus Charm to repel Dementors.DVD