The stranger, though, you and he must have talked.
4 seconds sound clip from the Harry Potter and the Sorcerer's Stone movie soundboard.
You can hear this line at 01:57:30 in the Blu-ray version of the movie.
Quote context
[...]
- I mean, how many people wander around with dragon eggs in their pockets?
- Hagrid, who gave you the dragon egg? What did he look like?
- I don't know, I never saw his face. He kept his hood up.
- The stranger, though, you and he must have talked.
- And did he seem interested in Fluffy?
- Well, of course he was interested in Fluffy.
- How often do you come across a three-headed dog, even if you're in the trade?
- But I told him. I said, the trick with any beast is to know how to calm him.
- Take Fluffy, for example. Just play him a bit of music and he falls straight to sleep.
[...]