Orbis

In 2009, Orbis was released by Big Finish Productions.

Cover blurb
The Doctor has fallen to his death. His companion, Lucie Miller, has returned to her life on Earth, grief-stricken. Then, one night, an alien visitor arrives at her front door and shoots her.

Could it be that Lucie's days with the Doctor are not over? She will only find the answer on the planet Orbis. A planet where all forms of life are facing violent extinction.