Douglas Adams's 12-part comedy from 1978.
Sent to find the ultimate answer to life, the universe and everything, Arthur Dent and his companion have been cornered by two humane cops who, nevertheless, have left them in a certain-death situation.
BBC Radio Collection: "The Hitchhiker's Guide to the Galaxy, Primary and Secondary Phase", are available on audio cassette and CD from all good retail outlets and [Web address removed] Call [Number removed]