Guard? What from? I thought you said there was no-one here.
3 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 3 sitcom.
You can hear this line at 00:19:08.025 in the Blu-ray version of the TV Series.
Quote context
[...]
- Are you sure you know what you're doing? We've been attacked once already, you know.
- Look, kid, I promise you, the live population of this planet is nil plus the five of us.
- Let's get on in there. Okay?
- Okay.
- Uh, hey, Earthman. Earthman.
- Arthur.
- Er, could you just, sort of, keep the robot with you, and guard this end of the passage way? Okay?
- Guard? What from? I thought you said there was no-one here.
- Yeah, well, er, just for safety. Okay?
- Well, I hope you all have a really miserable time.
- Come on.
- You've still got your sunglasses on.
[...]