Look at it this way, Robin. He's terrorized Gotham City he's baffled the police department and he's held us up to public ridicule.
9 seconds sound clip from Batman (1966) - Batman Is Riled (S1E6) TV Series.
You can hear this line at 00:15:38 in the Blu-ray version of the movie.
Quote context
[...]
- I think you're off the beam, Robin.
- The Joker's too shrewd a customer to hurl such an obvious clue.
- Of course. But I can't help thinking he slipped up somewhere.
- True.
- Gloating on his own success, he may be planning some super crime and stumble on his own pride.
- How do we go about stopping him?
- Just go about our normal routine... And let the venomous viper trap himself.
- Snap!
- Right.
[...]