You know something? Hm? If he weren't such an old stick in the mud, I might let him live.
8 seconds sound clip from Batman (1966) - The Cat's Meow (S2E29) TV Series.
You can hear this line at 00:19:21 in the Blu-ray version of the movie.
Quote context
[...]
- Just tell her Batman and Robin are here. And tell her fast.
- Well, my, my, there's a little bit of the devil in you, isn't there, young man? Ha, ha.
- Just as I suspected, Robin, she's up to her old tricks.
- A bit of whimsy that escapes me at the moment, Batman. Get him, guys.
- You know something? Hm? If he weren't such an old stick in the mud, I might let him live.
- But I think I can handle Batman. It's just that Robin's all work and no play.
- You know, maybe I can fix you up with Robin. Heh.
- No, it'd never work, he's too young. At that age, all they're interested in is baseball.
- Now, are you ready to come quietly, Catwoman?
- Batman, can I ask you a favor before you send me up the river without a paddle?
[...]