And somehow he dropped this card when he made his last catch.
6 seconds sound clip from Batman (1966) - The Thirteenth Hat (S1E13) TV Series.
You can hear this line at 00:19:27 in the Blu-ray version of the movie.
Quote context
[...]
- Oui, but of course. What can I do to help you?
- Do you know a man named Jervis Tetch? Better known as the Mad Hatter.
- Jervis Tetch? Jervis Tetch. No.
- He's presently victimizing Gotham City.
- And somehow he dropped this card when he made his last catch.
- Sacré bleu! I do not know where he could have gotten it.
- I don't know the Mad Hatter. I am a simple sculptor.
- Alright, we didn't mean to alarm you.
- Well, as long as you're here perhaps I could persuade you to pose.
[...]