O Tannenbaum (audio story)

 was the twelfth story of the seventh season of Big Finish Productions' Short Trips series.

Publisher's summary
It's Christmas time, there's no need to be afraid...

The TARDIS has landed in a winter wonderland and the weather outside is frightful.

A world of dread and fear and it's not just the frost that is cruel...

It's Christmas Eve, but will the Doctor and Steven get to see another one?

And of all the trees in the wood, who really bears the crown?

Plot
to be added

Characters

 * First Doctor
 * Steven Taylor
 * Greta
 * Joseph
 * Herman

Continuity

 * The Doctor states that Herman’s body is “wearing a bit thin” and that it “happens to [everybody].” (TV: The Tenth Planet, The Day of the Doctor)