Sir, radar just picked up something.
4 seconds sound clip from the Forbidden Planet (1956) movie soundboard.
You can hear this line at 01:14:28 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, Jerry. Look, this may be a big deal coming up.
- I'm sorry if I've leaned on you. You've got to understand...
- Stop knocking yourself out, skipper.
- Oh.
- Sir, radar just picked up something.
- Where?
- Moving?
[...]