Season 15

(4 episodes)

A mysterious light in the sky, an unnatural glow in the ocean and a thick fog bring terror to the lighthouse keepers of Fang Rock. Trapped by an enemy who is growing more powerful with every kill, the Doctor and Leela can trust no one.

Written by Terrance Dicks

(4 episodes)

The TARDIS picks up a mayday message, but before the Doctor and Leela can fully respond, the police box also passes through the mysterious cloud and the Doctor falls victim to a strange virus. As the situation worsens, his only hope lies in the unlikely combination of the eccentric scientist Professor Marius, and his dog-shaped computer, K9...

Written by Bob Baker and Dave Martin

(4 episodes)

A sonic time scan draws the TARDIS to the Fetch Priory on Earth. There, the Doctor and Leela discover an impossibly old human skull that is the key to a nightmare from the Time Lords' past. A murderous monster stalks the priory grounds; and within, someone is intent on unleashing a malevolent creature that feeds on death itself.

Written by Chris Boucher

(4 episodes)

The TARDIS arrives in the future on the planet Pluto where there are now six suns, a breathable atmosphere and a large industrial community. The Company controls the planet and exploits the workers, pays them a pittance and then taxes them on everything imaginable. The Doctor and Leela join forces with an underground band of rebels led by a man named Mandrel…

Written by Robert Holmes

(4 episodes)

The TARDIS lands in a Minyan spaceship. The crew is on a quest to find the Minyan race banks, which are stored in a missing ship known as the P7E. The quest leads to an underground labyrinth of caves at the centre of a newly-formed planet. But the P7E's computer has ideas of its own, and doesn't look kindly upon its new visitors.

Written by Bob Baker and Dave Martin

(6 episodes)

The Doctor is behaving very oddly. After signing a treaty with enemy aliens, he returns to his home planet, Gallifrey and demands the Presidency of the High Council of Time Lords. His first act of rule is to banish Leela to the wastelands on pain of death. His second is to sabotage the planet's defence barriers, enabling full scale invasion. Why has the Doctor joined forces with the militaristic Vardans? Is he out for revenge against the Time Lords? Or does he have a hidden agenda? But his allies are also hiding a dark secret, for behind them is a familiar enemy waiting for the right moment to attack...

Written by David Agnew (Anthony Read and Graham Williams)