So aside from a couple of aging rock 'n' roll singers you, Mr. Wayne, are the only Gotham City millionaire who is athletically inclined with eggsessive agility. Therefore, you must be Batman.
16 seconds sound clip from Batman (1966) - An Egg Grows in Gotham (S2E13) TV Series.
You can hear this line at 00:22:52 in the Blu-ray version of the movie.
Quote context
[...]
- Which one is it, Eggybaby, hmm?
- All of you are approximately the right age, in your early 30s...
- And you, Mr. Savage, are out because of your accent.
- You realize this is all a waste of time.
- My machine has a rather eggscentric and ugly side effect.
- In removing all of the knowledge from your brain, it will leave you an empty-headed fop.
- There's no use struggling, you're being held there by an electromagnetic force.
[...]