Dr Who: The Day of The Daleks

An exciting four part adventure in which The Doctor (Jon Pertwee) comes face-to-face with his oldest and deadliest enemy.... World peace hangs in the balance. Sir Reginald Styles, a high-ranking diplomat is the only person between mankind and a third and final World War. But a mysterious and savage guerilla force from the 22nd Century believes Styles is the agent that shaped their terrifying future and therefore must die... The Doctor and Jo find themselves flung into the guerilla's world; a brutal dictatorship policed by merciless and ape-like Orgorns. The Daleks have invaded Earth, enslaved the population and face certain triumph unless The Doctor betrays all he believes in and condones the cold-blooded murder of Styles in an attempt to change history...irrevocably.