Oh! Are you sure these are coffins? They're terribly cold...
4 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 6 sitcom.
You can hear this line at 00:13:52.132 in the Blu-ray version of the TV Series.
Quote context
[...]
- Golgafrincham Ark Fleet Ship B Hold 7 Telephone Sanitiser Second Class. And a serial number.
- Telephone sanitiser? A dead telephone sanitiser?
- Oh, this one's a hairdresser.
- And this one's an advertising account executive.
- Here's a second-hand car salesman, third class.
- Oh! Are you sure these are coffins? They're terribly cold...
- All right! Put your hands up and turn around slowly.
- Why isn't anyone ever pleased to see us?
- Move?
- Move!
[...]