Along with their strange companions from Betelgeuse, who are currently singing a Betelgeuse death anthem on the very sensible ground that they are about to die.

10 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 5 sitcom.

You can hear this line at 00:02:39.126 in the Blu-ray version of the TV Series.

Quote context

[...]

- And so another, even bigger, computer had to be built to find out what the actual question was.

- And this computer, which was called the Earth, was so large that it was frequently mistaken for a planet, particularly by the strange, ape-like beings who roamed its surface, totally unaware that they were simply part of a gigantic computer program.

- And this is very odd, because without that fairly simple and obvious piece of knowledge, nothing that ever happened on Earth could possibly make the slightest bit of sense.

- However, at the critical moment of read-out, the Earth was unexpectedly demolished to make way for a new hyperspace bypass...

- And the only native Earth people to survive the demolition are now being shot at behind a computer bank on the lost planet of Magrathea...

- Along with their strange companions from Betelgeuse, who are currently singing a Betelgeuse death anthem on the very sensible ground that they are about to die.

- This is what the computer bank is about to do. (Explosion)

- And the time at which it is going to do it is 4.2 seconds from now.

- Good evening, madam, gentlemen. Do you have a reservation?

- Reservation?

- Yes, sir.

- Do you need a reservation for the afterlife?

[...]