The top of that staircase means victory — and, you know, fines for overdue books. Watching the clip, it's fun to see how everything — the edits, the camera movements, even Sylvester Stallone's ...

The only Quidditch scene in the film is used to showcase how dangerous Dementors are and how they affect Harry. They cause him to fall off his broom and the sport isn't mentioned again afterward.