A horrifying tornado rips through Missouri, wiping out 200 houses a minute. Elsewhere, one man's underwater debacle results in a remarkable rescue. Facing an explosive tornado, a delivery driver is forced to take shelter in a drinks machine.
Eyewitness footage captures the moment a tornado tears through the town of Moore, Oklahoma, destroying two schools with the pupils still inside.
A hurricane at sea plunges 4 000 cruise passengers into panic. Beset by a powerful storm, a herd of pregnant cows is driven into the Irish Sea.
Tourists flee for their lives when Hurricane Patricia rips apart a Mexican holiday resort. Meanwhile, a tornado tosses a busy bouncy castle into the air during a summer fair in England.
A massive earthquake in Nepal triggers an avalanche, wiping out the Everest base camp and causing mud slides that are burying whole villages.
Featuring terrified backpackers who have been shipwrecked off the coast of Panama and the survivors of Hurricane Katrina in New Orleans.
Featuring revellers at a Belgian music festival after a freak storm flattened their marquee and a fisherman got swept off a pier and thrown into icy waters.
To prepare for a dark and cold winter, Alaskans harvest necessary resources.
Alaskans race to secure resources and ready their camps for the coming dark winter.
Alaskans struggle to survive the brief, cold and dark days as winter overtakes the land.
In the midst of dark winter, Alaskans burn the midnight oil to complete necessary tasks.
Alaskans scurry to find precious resources in a constantly changing winter landscape.
At the apex of winter, a lack of snowfall in the Arctic makes basic tasks more difficult.
Alaskans learn new survival skills as winter loses its grip on the Arctic landscape.
In the final days of winter, Alaskans use their time to prepare for what lies ahead.
The arrival of longer days and warmer temperatures makes for easier travel, and Alaskans take advantage by heading out to hunt migrating birds and harvest meat and fur, securing their camps to protect them from flooding in the meantime.
Fiona Phillips teams up with leading scientists to look at how to eat and drink to good health, and she uncovers some surprising truths. She reveals which cheap, everyday foods can give all the benefits of so-called superfoods at a fraction of the price and why frying can be the healthiest way to cook.
Dr Chris van Tulleken investigates Britain's favourite foods. In a specially designed pop-up kitchen lab, Chris will be joined by scientists, chefs and members of the public to discover the truth about calories.