- Is it safe?
- Of course it's safe. Magrathea's been dead for over five million years.

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

You can hear this line at 00:06:32.125 in the Blu-ray version of the TV Series.

Quote context

[...]

- The deadly missile attack shortly to be launched by an ancient automatic defense system will merely result in the breakage of 3 coffee cups, a mouse cage, the bruising of someone's upper arm...

- And the untimely creation and sudden demise of a bowl of petunias, and an innocent sperm whale.

- In order that some sense of mystery should still be preserved, no revelation will yet be made concerning whose upper arm has been bruised.

- This fact may safely be made the subject of suspense, since it is of no significance whatsoever.

- Arthur's next question is very complex and difficult, and Zaphod's answer is wrong in every important respect.

- Is it safe?

- Of course it's safe. Magrathea's been dead for over five million years.

- What's that?

- Greetings to you!

- What's that? Computer?

- Hi there.

- What's this?

- Oh, just some five-million-year-old holotape that's been broadcast at us.

- This is a recorded announcement, as I'm afraid we're all out at the moment.

[...]