Auf Wiedersehen (audio story)

 was the fourth and final story in The New Adventures of Bernice Summerfield audio anthology Blood & Steel, produced by Big Finish Productions. It was written by Victoria Saxton and featured Lisa Bowerman as Bernice Summerfield and David Warner as the Unbound Doctor.

It was also the final story to feature David Warner as the Unbound Doctor before his death on 24 July 2022.

Publisher's summary
Can Bernice Summerfield stop an alien invasion after it has happened?

Plot
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Cast
to be added
 * Bernice Summerfield - Lisa Bowerman
 * The Doctor - David Warner
 * Cybermen - Nicholas Briggs

Continuity
to be added