The travellers venture out on to the surface of a new world. Everything is dead but beyond a petrified jungle they see a huge metal city which the Doctor is determined to explore.

Looking for Barbara, the Doctor, Ian and Susan discover that they have exposed to lethal doses of radiation. The travellers are confronted by the city’s inhabitants – the Daleks!

Fearful of a Thal attack, the Daleks force Susan to trick the Thals. Realising that the Daleks are planning an ambush, the four travellers try to escape and warn the Thals.

Pretending to be a Dalek, Ian finds that that he is trapped inside the casing. The Doctor, Susan and Barbara have no choice but to abandon Ian as the real Daleks arrive and attack.

Ian and Barbara join a Thal expedition that will penetrate the Dalek city from the unguarded mountains behind it. Their journey is a dangerous one and not all will survive.

The Thals and the time travellers attack the Daleks from all sides as the Daleks start the countdown to release deadly doses of radiation into the atmosphere.

The TARDIS lands in a ruined and empty London in the 22nd Century. Robomen patrol the shattered streets. The Doctor is eager to discover the cause of the city’s plight.

The Daleks have conquered the Earth. Susan and Barbara have joined the human resistance who launch an attack on the Dalek flying saucer where the Doctor and Ian are prisoners.

The rebel attack on the Dalek flying saucer has been defeated. London is crawling with Daleks and Robomen, and the Doctor, Barbara and Susan must escape the city.

The Doctor, Barbara and Susan make their way out of London to the Daleks’ mining operation in Bedfordshire whilst Ian faces the Black Dalek’s pet Slyther.

Barbara is put to work in the Dalek mine where it is revealed that the Daleks intend to use a bomb to extract the Earth’s magnetic core.

Ian attempts to derail the Daleks’ plan by sabotaging their bomb. The Doctor also works to undermine the Daleks by turning their Robomen slaves against them.

Ian and Vicki are trapped by tentacled creatures on the planet Aridius. The Doctor and Barbara witness Daleks leaving Skaro on a mission to eliminate the Doctor and his companions.

Sir Reginald Styles, a diplomat with the best chance of averting a war between Russia and China, is almost killed by a mysterious guerrilla.The fighter then disappears with Jo and the Doctor - into a terrifying future Earth ruled by Daleks.

The TARDIS lands inside an Earth spaceship in the far future which is attacked by Ogrons.

The TARDIS suffers a power drain and is forced down on the planet Exxilon. Sarah is captured by the primitive inhabitants and the Doctor comes face to face with his oldest enemies.

The TARDIS lands on the old Dalek homeworld of Skaro where the Doctor and the newly regenerated Romana discover that someone is digging deep beneath the planet’s surface.