- Thanks a million, Aunt Harriet, but we were just going to, uh...
- Uh, ramble in the woods, Aunt Harriet. Uh, nature in the raw, so to speak.

10 seconds sound clip from Batman (1966) - True or False Face (S1E17) TV Series.

You can hear this line at 00:04:13 in the Blu-ray version of the movie.

Quote context

[...]

- Part of our heritage is the more of living things. The story book of nature.

- That's true, Bruce. I'll learn to read that book of nature, yes.

- Begging your pardon, sir. It's the Bat-phone.

- Jiminy. What are we waiting for?

- Oh, Dick, I found one of your specimens.

- Thanks a million, Aunt Harriet, but we were just going to, uh...

- Uh, ramble in the woods, Aunt Harriet. Uh, nature in the raw, so to speak.

- Yes, commissioner.

- Prepare yourself for a shock. It's False Face. He's struck again.

- We're on our way. To the Bat-poles.

- And I'm afraid it won't stop for the Mergenberg crown worth a million though it is.

[...]