The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.

In the aftermath of the Second World War, the Haywards are staunch labour supporters, the Warringtons own a soon to be nationalised coal mine. A riveting story exploring the differing effects of the Labour election victory on working class and upper class life, as well as the disruptive effect of war on the love lives of the younger members of the families.

Arnold Haithwaite is a sand pilot. He pursues his strange and solitary profession on the sands of Cumbria, beside the Irish Sea. A sand pilot, like a sea pilot, must know his way about; he must have a strong sense of locality and identity. But now another figure haunts this strange landscape: a sinister intruder who claims to be the real Arnold Haithwaite...

Cliff works as a narcotics investigator for the police and infiltrate a mafia gang. Soon it turns out that Cliff has bigger plans than just to bust bad guys.

A young woman schemes to marry a wealthy businessman by becoming his secretary.

A strange signal from Earth draws the TARDIS to the island of Lanzarote, where Turlough rescues a young American girl, Peri, from drowning. Among her possessions is an artefact bearing an alien symbol - the same triangular mark that Turlough has branded into his arm. The mystery deepens when Kamelion falls under the control of a powerful mind, and the TARDIS travels to the volcanic world of Sarn. As Turlough is forced to face his past, the Fifth Doctor must stop his oldest enemy from harnessing the revitalising powers of Numismaton gas...