The Doctor is trapped in the pit; meanwhile, K9 is incapacitated.

The TARDIS falls through a CVE into E-Space and arrives on the planet Alzarius. There the inhabitants of a crashed Starliner and a group of young rebels called the Outlers, led by a boy named Varsh and including his brother Adric, are being terrorised by a race of Marshmen who emerge from the marshes at a time known as Mistfall.

The TARDIS takes the Doctor, Steven and their new travelling companion, Dodo, to a giant spacecraft in the far future carrying all that remains of Earth and the human population.

The Doctor and Sarah return from the Middle Ages only to find London deserted.

To solve the mystery of the monster invasion, the Doctor decides to capture a dinosaur.

A regeneration process produces a youthful, new Doctor.

The doctor's (Peter Cushing) TARDIS time machine takes him, his granddaughters and a friend (Roy Castle) to war-ravaged planet Skaro.

Dr. Who (Peter Cushing), his granddaughter, his niece and a London bobby (Bernard Cribbins) find that Daleks have invaded 22nd-century Earth and are turning humans into slaves.