The Golden Door (short story)

Summary
to be added

Characters

 * First Doctor
 * Sixth Doctor
 * Steven Taylor
 * Dodo Chaplet
 * Mykloz
 * Yerma

Continuity

 * Anu-Ak shows the First Doctor a news report of a twin planet, whose inhabitants he had defeated at the Snowcap space tracking station in December 1986 before vanishing without a trace. (TV: The Tenth Planet)