Extinction (audio story)

 was the fourth release in the second series of Big Finish Productions' Cyberman audio series, this was the final story in this series, and thus far the final series in the Cyberman series.

Publisher's summary
In the war for the future,

Fear is the only weapon.

The Cybermen are triumphant; nothing can stand in their way. First they will absorb mankind, and obliterate their android spawn; then they will stride the stars once more, to transform the galaxy into an empire of ice, flawless logic. The battle must end; only one race will emerge victorious...

Plot
to be added

Cast

 * Liam Barnaby - Mark McDonnell
 * Samantha Thorn - Hannah Smith
 * Paul Hunt - Barnaby Edwards
 * Hazel Trahn - Jo Castleton
 * Becca Trahn - Cal Jaggers
 * Yan - Ian Brooker
 * Chessman - Ian Hallard
 * Janice Webb - Jess Robinson
 * Dane - Steve Hansell
 * The News - Stuart Crossman
 * The Cybermen / The Cyber-Planner - Nicholas Briggs

Worldbuilding
to be added

Continuity

 * The Cyber-Planner says it has methods to deal with Samantha Thorn's method of attack as it has dealt with similar forms of attacks before. (AUDIO: Legend of the Cybermen)