David Jason gets chatty with animals and plants - and can a medium reach Doris's dead husband to find out where his money is?
With Sheila Steafel and Royce Mills.
Following in the footsteps of Lord Clark, Dr Bronowski and Professor Galbraith, David Jason unravels the mysteries of the universe and the meaning of life.
Scripted by Colin Bostock Smith, Andy Hamilton, Barry Pilton and Alastair Beaton.
Music by John Owen Edwards
Producer: Geoffrey Perkins
First broadcast on the BBC Radio 4 in September 1977.