Meanwhile, at stately Wayne Manor, home of Bruce Wayne and his youthful ward, Dick Grayson, astronomical events are taking place.

12 seconds sound clip from Batman (1966) - Hot Off the Griddle (S2E3) TV Series.

You can hear this line at 00:02:28 in the Blu-ray version of the movie.

Quote context

[...]

- Three mittens taken from a fancy apartment. Ha!

- What does that all spell out to you?

- T-R-O-U-B-L-E. Trouble.

- The Princess of Plunder.

- Catwoman.

- The saints preserve us.

- When facing an adversary like the Countess of Criminality, there is only one man who can deal with and eventually overcome that threat to our security.

- Meanwhile, at stately Wayne Manor, home of Bruce Wayne and his youthful ward, Dick Grayson, astronomical events are taking place.

- Remember, don't look directly into the sun. It may cause damage to the retina of the eye.

- Right, Bruce.

- Gosh, isn't it exciting about the eclipse tomorrow?

- I understand a few countries are sending geophysical teams to observe the phenomenon.

[...]