The clip Substitute teacher from Harry Potter and the Prisoner of Azkaban (2004) with Daniel Radcliffe, Alan Rickman
Turn to page 394.
Excuse me, sir. Where's Professor Lupin?
That's not really your concern, is it, Potter?
Suffice it to say your professor finds himself incapable of teaching at the present time. Turn to page 394.
Sir, we just learned about red caps and hinkypunks.
We're not meant to start that for weeks.
When did she come in? Did you see her come in?
Now, which one of you can tell me the difference between an Animagus and a werewolf?
An Animagus is a wizard who elects to turn into an animal.
A werewolf has no choice.
With each full moon he no longer remembers who he is. He'd kill his best friend.
The werewolf only responds to the call of its own kind.
Thank you, Mr. Malfoy. That's the second time you've spoken out of turn, Miss Granger.
Are you incapable of restraining yourself or do you take pride in being an insufferable know-it-all?
He's got a point, you know.
Five points from Gryffindor.
As an antidote to your ignorance, and on my desk, by Monday morning two rolls of parchment on the werewolf, with emphasis on recognizing it.