- And the machine worked, didn't it?
- Only too well, Dick.

6 seconds sound clip from Batman (1966) - The Yegg Foes in Gotham (S2E14) TV Series.

You can hear this line at 00:05:14 in the Blu-ray version of the movie.

Quote context

[...]

- We just can't leave that bomb there. Some innocent bystander might get hurt.

- Correct. Therefore we must trigger that mechanism before we leave.

- Tim, Pete, wait outside. Please, please, there's no time to lose.

- Now what?

- We play marbles.

- I heard Egghead say he didn't think you were Batman.

- And the machine worked, didn't it?

- Only too well, Dick.

- After years of mental conditioning, I was able to block off that portion of my brain pertaining to my dual identity.

- I couldn't have lasted much longer, though. All right, let's get down.

- You got it on the first shot.

- At the age of 11, I was junior marble champion of Gotham City.

- Even then.

[...]