BBC Earth HD

A flash flood in Australia leaves a family running scared. In Wisconsin, a woman and her dog risk getting swept under the ice and a tornado forces a man to take cover in Vancouver.

A wind driven wildfire consumes a Colorado neighbourhood. In New Mexico, freezing conditions trap 21 people in an ice-covered tram car.

Joanna begins with Paris. She takes a hot-air balloon ride, visits the fire-damaged Notre-Dame, meets heiress Daphne Guinness and meets refugee turned beekeeper Ibrahim.

Joanna continues her travels to Rome, a city like no other on earth. She zips into the city on the back of a Vespa to get her first glimpse of the beauty that awaits.

Having learnt where a hippos aggression comes from Steve wants to find out if we can live alongside the animal that kills up to 500 people a year.

The world's deserts are lands of extremes that force animals to adapt in clever ways to cope with the hostile conditions, producing some incredible survival stories.

Grasslands cover a quarter of all land and support vast gatherings of wildlife - but to survive here animals must endure the most hostile seasonal changes on Earth.

Cities are the fastest growing habitat on Earth, but life in the man-made world is not easy for animals. Will the future see cities designed for wildlife too?

A trip through the Bavarian Alps, with stopping points including a former Olympic village, Germany's highest mountain, and a quick tipple with a beer-brewing monk.

Joanna continues her travels to Rome, a city like no other on earth. She zips into the city on the back of a Vespa to get her first glimpse of the beauty that awaits.

Across North America and the rest of the world, hurricanes, storm surges, earthquakes and sea level rise threaten major cities and lead to natural catastrophes.

Ben journeys to the Ozark National Forest, to live with master craftsman Robert.

Sue Aikens tracks a deadly foe in Kavik, the Hailstones embark on a traditional task ahead of the freeze, and Jessie Holmes adds a vital comfort to his remote camp.

Simon Reeve battles his way across the Congo, braving thick jungle and tropical swamps in search of the people and the wildlife who make their home in Africa's greatest rainforest.

Ben Fogle reunites with a former medical student living in the woodlands of Arkansas. Ben discovers the impact a series of injuries have had on his physically demanding wild lifestyle.

Kim and Pierre turn their attentions to harvesting big game.

Hurricane Ida hits New York City, a lakeside resort turns into a ball of flames.

The team follow lions, leopards and cheetahs after a huge wildfire. The dominant male lions fight intruders, while the leopards and cheetahs struggle to get a meal.

Sir David Attenborough journeys into the forests, where dogs communicate with whistles, treehoppers fight assassin bugs, 'spirit bears' fish, and hornbills imprison themselves in trees.

Joanna continues her travels to Berlin. A sometimes dark history has given birth to a creative city with a thrilling atmosphere.