The Gravity of a Rainbow

A ferry trip goes bad, and Black Jack saves an Iriomote cat, a baby, and a politician, in that order. The politician sues, but Black Jack saves him from cancer, and he relents. Pinoko saves Sharaku from Kong, a bully, and they become friends. Then, Sharaku becomes sick and Black Jack operates on him, but a runaway gurney causes an IV needle to break off in his vein. Black Jack fails to extract the needle, but by a miracle it comes out on its own.

This episode, which was the first of the original six-episode first season, explores the life of Rudolf Hess as Hitler's early adherent and loyal follower, his mysterious flight to Scotland in 1941 to attempt to negotiate peace, and his subsequent imprisonment and death at Spandau Prison in 1987.

Laurence Rees continues his documentary history, marking the 60th anniversary of the liberation of Auschwitz, with an account of how the Nazis developed their ""Final Solution"". By 1942, Rudolf Hess had established the camp as a place to murder thousands of Jews, Slavs, Roma Gypsies.

The story starts in January of 1066. Following the death of King Edward the Confessor, Harold seized control of England.The move enraged William who saw himself as the rightful holder of the crown. He immediately prepared an army to invade. Harold readied his troops along the south coast but as he awaited the onslaught from across the Channel another came from an entirely unexpected direction:Vikings had landed in Yorkshire. Harold rushed his army to Stamford Bridge and successfully fought off the Norse invaders, but this was precisely the moment William made his move. The Norman army was in England and heading towards Hastings. What followed was a battle for the survival of Anglo-Saxon rule in this country but, in one of the most famous incidents of British history, Harold was killed when an arrow struck him in the eye.The Saxon defence crumpled and Norman rule in Britain was assured.The consequences of this were far-reaching – it brought about a change of ruling class, dynasty, language and culture.

The episode examines the life, career, and psychology of Joseph Goebbels, focusing on his role as the Nazi regime's propaganda maestro.

Eric Crawford continues his father's secret government investigation and pursues Jacob Clarke and Jesse Keys for answers about the existence of aliens.

By 1688, Roman Catholic King James II had so alienated the Protestant majority of England that they ousted him from the throne. At the request of Parliament, William Prince of Orange became king and James fled to Ireland, his Catholic stronghold. William attacked the banks of the Boyne in July of 1690. Peter recounts each attempt by the Jacobites to repel the Williamites, while Dan attempts to understand the difficulties of the frontline troops who had to cross the river whilst keeping their gunpowder dry.

The reality of life in the concentration camps was revealed upon the liberation of Auschwitz-Birkenau and Bergen-Belsen in 1945. But what was the fate of the remaining prisoners and the SS garrisons? The final days of the war and its immediate aftermath is a story as shocking as it is surprising, with Jewish survivors facing appalling treatment in their home countries and large numbers of SS perpetrators remaining hidden.

Peter and Dan Snow venture to the Highlands of Scotland and use state-of-the-art graphics to recreate the 1746 Battle of Culloden in which Bonnie Prince Charlie led the Jacobite army against George II's redcoats in an unsuccessful bid to restore his family to the throne. The duo reveal how close he came to victory and the impact of the defeat on Scottish culture and religion.

The final instalment looks to the skies and the RAF's struggle to prevent a Nazi invasion in the darkest days of WWII when Britain stood alone.