Echoes of Extinction was a special Big Finish Productions audio story released on download and on vinyl and released in conjunction with the Time Lord Victorious series. It was written by Alfie Shaw, and featured Paul McGann as the Eighth Doctor on Side A and David Tennant as the Tenth Doctor on Side B.

Publisher's summary[]

Trapped, a haunted monster waits to consume new victims. It needs help. It needs a doctor. Unfortunately, it also needs to kill whoever it meets. Thrust into immediate danger, and on the back-foot, it will take all of the Doctor's ingenuity to triumph.

Two interlinked adventures. Two Doctors. One foe.


to be added




  • This story was recorded remotely on 30 March and 1-3, 9-10, 14, 21-22 and 26 April 2020.
  • Strangely, this is the only media release in the Time Lord Victorious event that features David Tennant reprising his role, despite the event revolving around his incarnation.
  • This story was originally intended to be released on 27 November 2020[1], but was delayed due to COVID-19 lockdown measures.
  • The Doctors never meet at any point during the story, as the Tenth Doctor's arrival on Frye's ship takes place after the Eighth Doctor escapes the space station. The Tenth Doctor does become aware of the Eighth Doctor's presence when he returns to the planet with the Tenth Justice Fleet of the Shadow Proclamation. However, the Eighth Doctor is unaware of the Tenth Doctor's involvement.
  • This story was released on vinyl limited to 1000 copies.


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