- Who's got the bombs? 
- I have, sir. 
- Watch your step with them. There's enough trichloride in there to put a herd of hippos to sleep. 
- Aye, aye, sir.
— Carl Denham (Robert Armstrong)
6 seconds sound clip from the King Kong (1933) movie soundboard.
You can hear this line at 00:28:49.677 in the Blu-ray version of the movie.
Quote context
[...]
- All right, boys. Let's go. Take it easy with that camera.
- Plenty of ammunition for those guns?
- Be careful with those bombs.
- All right, Briggs. Now we'll get a look at Denham's island.
- Hey, you with the camera, stick close to me.
- Watch your step with them. There's enough trichloride in there to put a herd of hippos to sleep.
- I want 2 men left here to guard the boat.
- Good. We all ready, then? Come on.
- Not a soul in sight. The people must all be gathered up ahead there.
- That wall, skipper, what do you think of that, eh?
- Colossal. It might almost be Egyptian.
[...]

 Phantom of the Opera (1943)
 Phantom of the Opera (1943)  Scooby-Doo, Where Are You! (1969)
 Scooby-Doo, Where Are You! (1969)  Halloween III: Season of the Witch (1982)
 Halloween III: Season of the Witch (1982)  Knight Rider (1982)
 Knight Rider (1982)  Garfield's Halloween Adventure (1985)
 Garfield's Halloween Adventure (1985)