A bit of whimsy that escapes me at the moment, Batman. Get him, guys.

7 seconds sound clip from Batman (1966) - The Cat's Meow (S2E29) TV Series.

You can hear this line at 00:19:03 in the Blu-ray version of the movie.

Quote context

[...]

- You see, with all the new dance steps on the way out, she's busy trying to find something that's on the way in.

- 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.

- Catwoman, can't you see the folly of your ways? With your beauty and intelligence, you could go much further helping your fellow man rather than harming him.

- 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.

[...]