Season 5

On 11 March 2011, a massive earthquake and tsunami off Japan’s coast caused a meltdown at the Fukushima Nuclear Power Plant.

Maritime Historian Andrew Lambert looks at the Royal Navy's battle with the German battleship Bismarck.

In 1963 a landslide from Monte Toc into the reservoir of the Europe's highest dam caused a giant flood wave that destroyed the village of Longarone and other villages, claiming over 2,000 lives.

After a 51-day siege at the ranch of an armed religious cult, the FBI tries to force people out with tear gas, but a fire breaks out and almost 80 people die.

A look at the series of decisions and mistakes that led to the world's largest oil spill disaster, and that 11 workers on the rig died.

On 26 November 2008, terrorists attacked two luxury hotels (one of them the famous Taj Mahal Hotel), a Jewish educational center, a café and a train station in Mumbai, killing 166 people.