- Fri, May 24
- Jim Broadbent's birthday
- Sophie Wehner's birthday
- Harry and Ron meet Aragog in Forbidden Forest
- Sat, May 25
- Katie Harrison's birthday
- Alec Hopkins's birthday
- Sun, May 26
- Will Dunn's birthday
- Helena Bonham Carter's birthday
- Detention in the forest; Quirrell drinks unicorn blood
- “Make way for the Heir of Slytherin, seriously evil wizard coming through. . . .”
- November 19, 2004 – Harry Potter and the Prisoner of Azkaban DVD launch party is held in London; DVD released in the United Kingdom the following day.
Did You Know
- During the Harry Potter and the Chamber of Secrets film, Emma Watson broke her wrist.