These original BBC Radio 4 episodes star Simon Jones, Geoffrey McGivern, Mark Wing-Davey, Susan Sheridan and a full supporting cast.

"There is a theory which states that if ever anyone discovers exactly what the Universe is for, and why it is here, it will instantly disappear and be replaced by something even more bizarrely inexplicable. There is another theory which states that this has already happened."

Stranded on Prehistoric Earth since the end of the first series, Arthur Dent and Ford Prefect are once again trying to hitch their way off the planet. Zaphod Beeblebrox, meanwhile, finds his visit to the offices of the Guide rudely interrupted by Frogstar fighters, who further threaten to feed him to the Total Perspective Vortex. Could this prove fatal for his ego? On the planet Brontitall, they find an enormous guano-encrusted statue of Arthur, and an indigenous species in something of a pickle. As a woeful story of economic collapse at the hands (feet?) of the shoe shop industry unfolds, Arthur meets Lintilla--for whom fate has in store a very unhappy marriage---and Marvin gets to be a hero once again. All this culminates in a meeting with the Man in the Shack who apparently runs the Universe.