In the TARDIS: Christmas Day (short story)

Summary
It's Christmas Day in the TARDIS but the travellers have no time to celebrate when they discover a ghost is roaming the TARDIS.

Characters

 * Fifth Doctor
 * Adric
 * Nyssa
 * Tegan

Continuity
to be added

Timeline

 * This story occurs after DW: Black Orchid
 * This story occurs before ST: Hearts of Stone