If I can't make it back, you get out of here as fast as you can.
4 seconds sound clip from the Attack of the Crab Monsters (1957) movie soundboard.
You can hear this line at 00:48:04.948 in the DVD version of the movie.
Quote context
[...]
- We might as well get to work. I'll plant this one, you take the other.
- You know, I bet you could even be lonesome in a crowd.
- Yeah.
- Unless of course you found that special someone.
- This might be the perfect time to collect some of Dr. Weigand's mercury.
- If I can't make it back, you get out of here as fast as you can.
- The water's down that tunnel!
- Dale, they just ran across the bottom of the pit into another cave.
- Martha!
- Let's get down to the sea entrance.
[...]