Continuity mistake: The position of the "little old lady at twelve o'clock" in comparison to the bus while she's crossing the street changes quite a few times.
Movie_Freak 1
7th Jun 2007
Harry Potter and the Prisoner of Azkaban (2004)
29th May 2007
Harry Potter and the Prisoner of Azkaban (2004)
Continuity mistake: Just after Ron pushes Harry toward Buckbeak, the hippogriff is seen defecating. In shots after this, the hippogriff's droppings have altogether disappeared.