The Christmas Inversion (short story)

 was the third short story in Twelve Doctors of Christmas, featuring the Third Doctor.

Summary
to be added

Characters

 * Third Doctor
 * Jo Grant
 * Captain Mike Yates
 * Jackie Tyler
 * Harriet Jones

Continuity

 * The Doctor mentions the "Omega business". (TV: The Three Doctors)
 * This story essentially takes place at the same time as The Christmas Invasion, with the Third Doctor arriving in Jackie's flat after the Tenth Doctor's TARDIS has been taken up to the Sycorax ship and leaving after his future self has been returned to London.
 * UNIT have a base under the Tower of London. (TV: The Power of Three)