The Doctor lands aboard a sandminer, whose crew are being murdered one by one.

Mad scientist Mehendri Solon is building a body from spare parts to house the disembodied brain of the evil Time Lord Morbius. He fancies the Doctor's head as the final piece.

The Doctor is powerless to act.

The high council views film as evidence.

Doctor sees replicas of himself as a historical conquest.

An unidentified force traps the Doctor; The Doctor investigates a mysterious staircase in a building where people can go up, but never down.

The Doctor and his companions come to the aid of a terrified child, whose monsters appear to be real.

When TARDIS explores an abandoned space station they find the last survivors of Earth.

An insect life form has laid eggs that infect one of the re-animated human beings.

The Doctor and friends attempt to lure the Wirrn hatchlings towards a shuttlecraft.

Although fully changed into a Wirrn, the human in Noah tries desperately to break through.

Harry and Sarah walk into a trap while the Doctor solves a mystery.

Harry and Sarah walk into a trap while the Doctor solves a mystery.

The Doctor and friends discover a plot to destroy the newest moon of Jupiter.

The Cybermen want to destroy Voga because it's made of a substance that can kill them.

The Doctor returns to the Ark to recover the Tardis, but things have changed.