Dr. Who fights the body controlled by the brain of Morbius. Tom Baker, Elisabeth Sladen. Solon: Philip Madoc. Condo: Colin Fay. Maren: Cynthia Grenville. Ohica: Gilly Brown.

Investigating Loch Ness, the Doctor (Tom Baker) makes Zygons be bygones. Tom Baker, Elisabeth Sladen. Benton: John Levene. Munro: Hugh Martin. Duke: John Woodnutt.

The Time Lords send the Doctor to a Skybase above the planet Solos in the 30th Century. The Marshal of the Skybase is determined to prevent Solos achieving independence from Earth.

The TARDIS picks up a distress call and the Doctor and Sarah arrive on the planet Zeta Minor, where they discover that a Morestran geological expedition has fallen prey to an unseen killer.

The Doctor and Clara crash-land on the moon, where they discover a mining base strewn with corpses and encounter giant spiders

One morning in every city and town in the world, the human race wakes up to face the most surprising invasion yet. Everywhere, in every land, a forest has grown overnight and taken back the Earth. It doesn't take the Doctor long to discover that the final days of humanity have arrived.

In a sun dappled Sherwood forest, the Doctor discovers an evil plan from beyond the stars, and strikes up an unlikely alliance with Robin Hood. With all of Nottingham at stake, the Doctor must decide who is real and who is fake. Can impossible heroes actually exist?

Separated from the Doctor, Clara discovers a new menace from another dimension. But how do you hide when even the walls are no protection? With people to save and the Doctor trapped, Clara comes up against an enemy that exists beyond human perception.

The Doctor and Sarah intervene in a conflict between miners and the ruling class on the planet of Paladon.