The World's Deadliest Weather

A record breaking twister rips through the city of Tuscaloosa. A couple of students have a terrifying close encounter and the city hospital is swamped by hundreds of casualties.

Hurricane Harvey, the most powerful hurricane in a decade to strike the United States, rips a coastal town apart and dumps a once-in-a-thousand-years rainfall that drowns Houston.

Two devastating earthquakes hit Mexico in quick succession, and an Aussie storm chaser becomes trapped in the middle of the most powerful tornado ever recorded in El Reno, Oklahoma.

A rare tornado decimates a small town in rural Uruguay, snaring a man in his car and obliterating a huge warehouse. Meanwhile a thrill seeker fulfils his ambition.

The Cape in South Africa is struck by a devastating two-pronged attack of a violent storm and catastrophic wildfires that overwhelm the emergency services.

A student chronicles 2017's Hurricane Maria as it decimates Puerto Rico. A hailstorm destroys a Dallas family home. A wilderness hiker clings on for dear life in a flash flood.

North California is besieged by a spate of raging wildfires. In Costa Rica, a tourist pleasure boat capsizes and in North Carolina, a tornado hits a superstore packed with shoppers.

Devastating mudflows flatten the Californian coastal community of Montecito; a sudden flash flood sweeps up an inexperienced kayaker in South Africa.

A bomb cyclone detonates across northeast America, snaring an elderly Michigan couple in a mass freeway pile-up. A hiker loses her nerve high on Ben Nevis.

Tennessee's Great Smoky Mountains live up to their name as America's most popular national park goes up in flames. Meanwhile a mega typhoon pulverises Macao.

The worst earthquake in almost a century strikes Ecuador. Meanwhile, Indiana suffers one of its worst ever tragedies as a storm blows down the main stage during a festival.

Irma, a category five hurricane, devastates the Caribbean. In Fiji, a carer battles catastrophic floods to reach children at an orphanage.

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This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

Heatwave Lucifer burns though Europe, triggering some of the worst wildfires in Portugal's history, while a Mojave mudslide traps motorists in a raging torrent of sludge.