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

Worldbuilding

 * Greta asks the Doctor if he's the Weihnachtsmann.
 * According to the family's history, the trees arrived from the stars many generations ago.

Continuity

 * Steven recalls the Monk's gramophone. (TV: The Time Meddler)
 * The Doctor states that Hermann’s body is “wearing a bit thin” and that it “happens to [everybody].” (TV: The Tenth Planet, The Day of the Doctor)
 * Steven mentions that the Doctor's piercing gaze has made him quiver before, but that it also did the same to the Drahvins. (TV: Galaxy 4)
 * Steven calls out "Merry Christmas" to Joseph and Hermann in the cottage, and when he gets no response he mutters to himself "to all of you at home". (TV: The Daleks' Master Plan)