The Primeval Design (audio story)

 was the fourth and final story in the tenth series of The Fourth Doctor Adventures, produced by Big Finish Productions. It was written by Helen Goldwyn and featured Tom Baker as the Fourth Doctor and Louise Jameson as Leela.

Publisher's summary
Dorset, 1830. The Doctor has taken Leela to meet Mary Anning, the noted palaeontologist, but the duo immediately stumble into trouble.

A body has been found in unusual circumstances. Attacked by an animal... but one of a size unknown in the area.

It turns out some things might be better off staying buried.

Part one
to be added

Part two
to be added

Part three
to be added

Part four
to be added

Cast

 * The Doctor - Tom Baker
 * Leela - Louise Jameson
 * Mary Anning - Lucy Briggs-Owen
 * Lizzie Berenger / Queen / Giant Queen - Charlotte Bate
 * Jim Berenger - Joe Sims
 * Dr Richard Numan / Corfield - Ian Conningham
 * Lord Macavoy / Old Lawrence - Alan David

Worldbuilding
to be added

Continuity

 * The Doctor and Leela previously encountered dinosaurs in AUDIO: The World Traders.
 * The Doctor supposes that the extinction event that killed the dinosaurs was caused by the collision of a space freighter. (TV: Earthshock)