Princess Sandra of Molino is getting ready to toss out the first ball at this great charity game between the two deadliest rivals in any baseball league.

12 seconds sound clip from Batman (1966) - Rats Like Cheese (S1E8) TV Series.

You can hear this line at 00:06:14 in the Blu-ray version of the movie.

Quote context

[...]

- Where do you want it?

- In here where I can see it. And hurry, please.

- And tell airplane to zoom-zoom-zoom.

- Right, boss.

- Ah, Batman, you still live. But only for a short time.

- I now have the most precious diamond of all in my possession. And to get it back, you must die. Die! Die!

- From Bruce Wayne's private box in Gotham City's new stadium

- Princess Sandra of Molino is getting ready to toss out the first ball at this great charity game between the two deadliest rivals in any baseball league.

- It's a beautiful day. A b-eautiful day. But no more beautiful than the lovely princess herself.

(Applause)

- Well, I'm-I'm sure I can't pitch like your great Paul Diamante but, why, I do have a few curves.

- Play ball.

[...]