World Apart (audio story)

 was a full cast audio story released on 13 June 2017 by Big Finish Productions. Shorter than the vast majority of stories in the Doctor Who monthly range, it appeared alongside Shadow Planet.

Publisher's summary
If you’re reading this, it’s too late.

There’s no way off this planet.

You will never escape Nirvana.

Plot
to be added

Cast

 * The Doctor - Sylvester McCoy
 * Hex - Philip Olivier
 * Ace - Sophie Aldred
 * Captain Karren - Sarah Thom

Continuity

 * The Doctor once again refers to Hex as "Mister Hex". (AUDIO: The Harvest, Shadow Planet)
 * Ace refers to the beach on Unity. (AUDIO: Shadow Planet)
 * Hex again expresses a fondness for Blackpool. (AUDIO: Shadow Planet)
 * The Cloister Bell sounds when Nirvana is about to shift out of the universe. (TV: Logopolis, et. al)
 * Hex mentions that he met his shadow self on Unity. (AUDIO: Shadow Planet)
 * Ace refers to the Shadow Doctor created by the TARDIS' translation circuits. (AUDIO: Shadow Planet)