- Aren't they...?
- The mice I brought from Earth, yes.
- Well..
5 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 4 sitcom.
You can hear this line at 00:23:36.393 in the Blu-ray version of the TV Series.
Quote context
[...]
- Have some vegan rhino cutlet. It's really excellent.
- Hosts? I don't see any hosts. Ew! There are mice on the table!
- Yes. Sorry, I wasn't quite prepared for...
- Let me introduce you. This is Benjy Mouse.
- And this is, erm, Frankie Mouse.
- The mice I brought from Earth, yes.
- Well..
- Try some grated Arcturan Megadonkey.
- Yes, thank you, Slartibartfast. You may go.
- What? Oh, very well... I'll go and get on with some of my fjords, then.
- Well, in fact, that won't be necessary. I don't think we'll be needing the new Earth any longer.
[...]