Doctor Who, Season 18 Episode guide
The Fourth Doctor is warned of his own demise but must save the universe from the Master.
An ancient evil threatens the peaceful world of Traken... the Master!
The TARDIS is drawn to an empty void by Biroc, a time sensitive Tharil.
Trapped in E-Space, the TARDIS lands on a world where three Lords rule from their tower.
Landing on Alzarius the Doctor and Romana discover the descendants of a crashed starliner.
At the invitation of his old friend, Zastor, the Doctor sets a course for Tigella.
After a disappointing holiday by the sea, the Doctor and Romana go to Argolis.
On: Video download, DVD
From: iTunes, BBC Shop