You let them go!
2 seconds sound clip from the Scars of Dracula (1970) movie soundboard.
You can hear this line at 01:10:05.750 in the Blu-ray version of the movie.
Quote context
[...]
- Him. He did it. He killed her.
- Who? You saw him? Well, then how do you know?
- The bats. He has power over animals, you don't understand.
- I'm leaving before it gets too late.
- The man had been savagely beaten. His back was just...
- Well, he said his master was a monster.
- Anyway, he helped us escape.
- For that, you should be grateful.
[...]