Wait until they open them umbrellas.

5 seconds sound clip from the Batman (1966) TV series - Fine Feathered Finks (S1E3).

You can hear this line at 00:01:17 in the Blu-ray version of the movie.

Quote context

[...]

- But let's keep our eyes on these little rascals.

- Alright folks, listen on. Hurry, hurry. Here you are. Free umbrellas. Win yourself a prize. Win yourself a prize on the inside.

- These umbrellas are free. You can't win a prize without an umbrella. Hurry folks, hurry.

- That's strange, everyone carrying umbrellas. The weather report didn't mention rain.

- Who cares, Jenkins? It looks like a smash. Open the door.

- Wait until they open them umbrellas.

- They say there are prizes for lucky umbrellas.

- I smell a hoax, Jenkins. Devilish. Sinister.

- Police! Help! Police! Help! Police!

- A trick umbrella. As sure as a fingerprint. The mark of the Penguin.

[...]