Oh, I've really outdone myself this time. Oh, genius. Sheer genius.
21 seconds sound clip from Batman (1966) - When the Rat's Away the Mice Will Play (S1E12) TV Series.
You can hear this line at 00:16:51 in the Blu-ray version of the movie.
Quote context
[...]
- Great, uh, Gordon went for it like a duck to water.
- And that millionaire socialite Bruce Wayne was there also.
- Well, he fell so hard for the act that he helped sell our plan to Gordon.
- And the coast will be clear.
- Clear! As your gorgeous brown eyes, my little Mousey.
- Oh, I've really outdone myself this time. Oh, genius. Sheer genius.
- Robin, Robin, where are you?
- Up here.
- What are you doing up there?
- It was making a funny rumbling noise. I thought some part might be loose. Just checking it out.
[...]