Try some grated Arcturan Megadonkey.

3 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 4 sitcom.

You can hear this line at 00:23:40.520 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.

- Hi there!

- And this is, erm, Frankie Mouse.

- Pleased to meet you.

- Aren't they...?

- The mice I brought from Earth, yes.

- Well..

- Try some grated Arcturan Megadonkey.

- Excuse me!

- 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.

- What? I've got one thousand glaciers poised and ready to roll over Africa!

[...]