Prologue to The Centenarian (short story)

Summary
to be added

Characters

 * First Doctor
 * Ian Chesterton
 * Edward Grainger
 * The Master

Continuity

 * The "Demon" in this story is later revealed to the the Master. (ST: Forgotten)

Timeline

 * This story occurs after ST: The Mother Road
 * This story occurs before ST: Room for Improvement