Lost Property (audio story)

 was the first story in the audio anthology Stranded 1, produced by Big Finish Productions. It was written by Matt Fitton and featured Paul McGann as the Eighth Doctor, Nicola Walker as Liv Chenka, Hattie Morahan as Helen Sinclair, alongside Tom Baker as The Curator.

Publisher's summary
Trying to find a way to resume his travels, the Doctor calls in some old favours.

As the residents get to know the new arrivals, something else finds its way into Baker Street, seeding suspicion.

Helen meets a man with a very familiar face – and a terrible warning.

Cast
to be added
 * The Doctor - Paul McGann
 * Liv Chenka - Nicola Walker
 * Helen Sinclair - Hattie Morahan
 * The Curator - Tom Baker

Continuity
to be added