The Ice Warriors
1967 (Six Parts)
The TARDIS arrives on Earth at the time of a new ice age and the travellers make their way into a base where scientists commanded by Leader Clent are using an ioniser device to combat the advance of a glacier.
A giant humanoid creature, termed an Ice Warrior by one of the scientists, has been found buried in the glacier nearby. When thawed, it revives and is revealed to be Varga, captain of a Martian spacecraft that landed on Earth centuries ago and is still in the glacier. Varga sets about freeing his comrades and formulating a plan to conquer the Earth - Mars itself now being dead.
Meanwhile the scientists have realised that continued use of the ironiser could destroy the base and also end the threat of the Ice warrior ships. The Computer is unable to advise them and without further information It Seems that Disaster is iminent...
The curse Of Peladon
1972 (Four Episodes)
The Doctor and Jo make a test flight in the TARDIS and arrive on the planet Peladon. Seeking shelter, they enter the citadel of the soon-to-be-crowned King Peladon, where the Doctor is mistaken for a human dignitary summoned to act as Chairman of a committee assessing an application by the planet to join the Galactic Federation.
The other committee members - Alpha Centauri, Arcturus and the Martian Lord Izlyr and his Warrior subordinate Ssorg - have already arrived, but are disconcerted by the death of one of the King's advisors, Chancellor Torbis. High Priest Hepesh, who opposes the union with the Federation, attributes Torbis's death to the Curse of Aggedor, the sacred beast of Peladon. Other incidents occur and the Doctor concludes that a saboteur is at work.
At first he suspects the Ice Warriors, but the guilty parties are eventually revealed to be Hepesh and Arcturus.
The Curse Of Peladon
1973 (Six Episodes)
the TARDIS returns to Peladon some fifty years after the Doctor's last visit. The planet is now ruled by Queen Thalira - daughter of the late King Peladon - with advice from Chancellor Ortron. The Doctor and Sarah are arrested by Ortron for trespassing on sacred ground but their names are cleared by Alpha Centauri, now Galactic Federation ambassador to Peladon.
A ghost-like image of Aggedor has been responsible for some deaths in the planet's trisilicate mines, heightening unrest amongst the miners. The Doctor discovers that the apparitions are really the result of the use of a matter projector and a directional heat ray by a human engineer, Eckersley.
Eckersley is in league with a group of renegade Martian warriors, led by Commander Azaxyr, in a plot to seize the trisilicate deposits for Galaxy 5, a power bloc at war with the Federation. Azaxyr mounts an attack on the throne room and kills Ortron.
The Doctor however turns the heat ray on some of the Martians, while others are dispatched by the miners. Eckersley flees, taking the Queen hostage, but the Doctor uses the real Aggedor to track him down. Eckersley is killed, but Aggedor also dies in the skirmish.
Its plans thwarted, Galaxy 5 surrenders to the Federation