No, I must devise something royal, unsuspected, sensational.
8 seconds sound clip from the Batman (1966) TV series - Fine Feathered Finks (S1E3).
You can hear this line at 00:09:18 in the Blu-ray version of the movie.
Quote context
[...]
- My whole stay in this disgusting prison is wasted.
- What? A candy store? I'm an aristocrat of crookery, my dear man.
- No, I must devise something royal, unsuspected, sensational.
- A keeper that'll make that Batman blow his brains out.
- Yeah, that Batman. He's sure some kind of pest, ain't he?
- Oh, I was just thinking out loud, Penguin. I said, if only the Batman was like us, a crook.
[...]