Hey, Joker, it's 3:00.
4 seconds sound clip from Batman (1966) - He Meets His Match, the Grisly Ghoul (S1E16) TV Series.
You can hear this line at 00:13:07 in the Blu-ray version of the movie.
Quote context
[...]
- It's called, Une nuit sans fin. One endless night.
- No, Susie, no. Do not open until after you've loaded the milk machine. Do you understand?
- Oh, sure, Joker, anything you say. You're just the best boss any crook ever had.
- Batman's zero hour. Watch for the green light.
- Back! Everybody, back at the bar.
- We gotta have room to throw our Bat-arangs when the crooks come in for the loot.
- Ready.
- Zero hour. Put it in the slot.
- Roger.
- Batman's funeral dirge begins. I give him five seconds. Now!
- The joke's on you, my cheery booze hounds. It's a stick up! Hands up, you coward.
[...]