The universe of Newton, clear, English, stately, like the music and the great buildings of his century ticking away with a fine clockwork mechanism, wisely regulated by laws. Then the quizzical world of Einstein whose direct truth and questions could turn the dignified universe upside-down in the interests of a clearer understanding. We ride with Einstein on his beam of light to end our journey in our own century.
Racial concerns set the stage for laughs in this series about a black couple's radical move to an all-white neighborhood. Tonight, stuffy Ferguson Bruce and his free-and-easy wife Jackie meet their white counterparts next door.
The Brigadier calls in a full UNIT force to deal with the giant maggots while the Doctor infiltrates Global Chemicals to find out what is really going on.
From the earliest times, Man has looked outwards from the earth and wondered at the movements of sun, stars and planets. The programme hinges on the crisis of the scientific conscience in the person of the astronomer Galileo and in the rich cities of Venice and Rome, the scenes both of his triumph and his punishment.
Mathematics is a way of describing the world that we see, hear and touch.
The Doctor and Jo manage to escape from the mine with a maggot egg but Stevens is determined to stop them analysing it.
Blood memories surface when an anthropologist responds in kind to a captive gorilla's primeval hatred. Two men debate the best way to kill vampires.
The Doctor and the Brigadier attempt to rescue Jo and Bert from the mine but Global Chemicals prove distinctly uncooperative.
The programme follows the beginnings of chemistry: from the techniques of ancient metallurgy in China and Japan to the mystical searchings of the alchemists.
A spurned plantation owner in the British West Indies enlists the power of voodoo to avenge himself against a romantic rival.
The wandering nomads cease their migrations and settle in townships, learning new skills.
While the Doctor plans a holiday to Metebelis Three, Jo and the Brigadier are intrigued by a mysterious death at a coal mine in Llanfairfach, which is being blamed on local company Global Chemicals.
A young wife in a remote country house finds herself in thrall to strange and insistent voices of the dead.
The Doctor and his friends prepare to refreeze the Dalek army but the Dalek Supreme has arrived on the planet determined to destroy them all.
As the ice retreats and the land flowers, Man the hunter turns to agriculture, domesticating plant and animal, imposing his will on the wild wheat and the horse.
The programme follows the changes in Man as he marches out of Africa, through desert and ice age, to leave the print of his hand in a dark Spanish cave.
The Doctor and his friends ambush two Daleks as part of their plan to get back into the city, but the Daleks are on the verge of unleashing their virus.
Ancient Warrior, an aged Indian accompanied by Caine, seeks burial in his sacred, ancestral land. But the burial site is located dead center in a violent, Indian-hating town called Purgatory.