The Architects of History (audio story)

Publisher's summary
The year is 2044. Earth is enjoying a Golden Age of peace, prosperity and technological advancement… but somebody is plotting to destroy all that. The Selachians, shark-like alien monsters, launch a crippling attack on Earth’s Moonbase, using deadly weapons from the future.

Help is at hand. A police telephone box appears in a Moonbase hangar. A time-travelling hero has returned in the hour of Earth’s greatest need. Now, Elizabeth Klein must fight to save not only the Galactic Reich but Time itself from the mysterious prisoner who has orchestrated these fateful events... the Doctor.

Cast

 * Seventh Doctor - Sylvester McCoy
 * Elizabeth Klein - Tracey Childs
 * Rachel Cooper - Lenora Crichlow
 * Sam Kirke - Ian Hayles
 * Major Richter - Jamie Parker
 * General-lieutenant Tendexter - Lloyd McGuire
 * Selachian Leader - Chris Porter
 * Feldwebel/Computer Voice - Rachel Laurence
 * Pilot/Selachian - David Dobson

The Doctor

 * Klein mentions the Doctor's visits to Kenya in 1953 and Colditz Castle in 1944.
 * Rachel mentions when she helped the Doctor against the Daleks.

Klein

 * In the proper timeline, Dr. Elizabeth Klein became known for her triumphs working for UNIT. Her personality appeared to be the same except that she devoted her talents to the protection of Earth. Upon meeting the Doctor in 1962, she did recognise him slightly despite the fact that the experiences of the alternative Klein involving him had been erased from history.

Races and species

 * The Selecians are shark-like beings.

Technology

 * Klein has managed to bring about the defeat of the Sontarans and the Daleks in her new reality. Dalek technology has been integrated into the Reich ships.

Continuity

 * The Selachians previously appeared in the Second Doctor novel PDA: The Final Sanction, also written by Steve Lyons.