Now, one small detail. Our umbrella pop guns, take out the pellets. Introduce real bullets. Ha ha ha.

10 seconds sound clip from Batman (1966) - The Penguin Goes Straight (S1E21) sitcom.

You can hear this line at 00:22:52.359 in the Blu-ray version of the TV Series episode.

Quote context

[...]

- Yeah, I have a strange feeling, It's time for the kill.

- Gee, that cement-filled umbrella sure cooled them off.

- Well done, my finks, well done.

- What now, Penguin?

- String them up here back of the shooting gallery directly behind the cut-outs.

- Now, one small detail. Our umbrella pop guns, take out the pellets. Introduce real bullets. Ha ha ha.

- You challenge us, Penguin?

- I certainly do.

- Knowing you gentlemen to be of sporting blood I know that you'll play this exquisite of the game with me.

- If you'll burst those two red balloons on the first round, I'll donate 1000 dollars to your police benevolent fund.

- That's too easy. Much too easy. There must be a catch towards somewhere.

[...]