BBC Earth

Steve sets sail to Bali for a diving adventure to find a giant ocean sunfish. He rescues fish trapped in an abandoned net and meets the teenagers fighting to ban plastic bags on the island.

Ben ventures deep into the Appalachian Mountains in eastern America to meet 25-year-old Justin Burke, who rejected his privileged upbringing to live in the wilderness.

As the weather gets warmer, Mel and Martin’s cows go back out to the fields, Janet and Alastair have to de-horn their newborn calves, weaning time at the buffalo farm gives Stevie and his neighbours a sleepless night, and a milk fever epidemic puts David and Sandra’s cows in peril.

In Appin, David is beset by pests. His lambs are under threat from predators, in the Highlands, Robin and Penny makes use of the fine weather to cut peat, a cow undergoes open stomach surgery at the Roans’ dairy farm, and Stevie decides to give his retired bull “007” a new assignment.

Panorama meets some of the brightest minds in climate science advocating more drastic action to halt climate catastrophe - including controlling the power of the weather.

Sue visits the beautiful mangroves of the Sundarbans, home of the Bengal tiger, and meets the villagers who live in fear of an attack. She discovers a world defined by water and the devastating impact of climate change.

Dr Michael Mosley and the 30 other patients enrolled in the trial are diagnosed with chronic, but common sleep disorders. They must now embrace their strict, personalised eight-week treatment regime.

In Cardiff, Clive Myrie meets Shalize, who wants a way to future-proof her health due to a family history of type 2 diabetes. His suggestion is simple, powerful and time-efficient: press-ups!

25-year-old sports fanatic Kerry dreams of becoming a Paralympian after a skiing accident changed her life. Roman Kemp wants to introduce her to an unlikely ally: the humble beetroot.

In Kavik, the days of summer are coming to an end and most animals are preparing to migrate out of the Tundra.

Native Glaswegian Susan rejected retirement for a remote region of Africa, where she has set up both a school and a mountain-top restaurant.

Sue Perkins starts her journey in Tokyo, home to 36 million people. She trains with a female sumo wrestling team and meets a family who live with robots.

The dark, a world of opportunity for mammals. More than two-thirds prefer the cover of the night, with some now returning to the safety of the shadows in order to avoid us.

Dr Michael Mosley and the 30 other patients enrolled in the trial are diagnosed with chronic, but common sleep disorders. They must now embrace their strict, personalised eight-week treatment regime.

The Hailstones isolate at their camp in Kiwalik to seize seasonal harvests. Sue Aikens must scour the tundra to secure food to survive.

Ben builds hammocks, goes freediving and experiences rough seas when he meets British expat Rick and his girlfriend Jasna, who live a nomadic life on their yacht in the islands of French Polynesia.

In the final weeks of the pioneering Flinders sleep trial, Dr Michael Mosley's lifelong insomnia starts to shift and the sleep campaign gathers in momentum in Canberra.

The Airplane is the machine that gave us our greatest superpower - the ability to fly. But how we got here is a story full of passion, danger and death.

Michael goes on an epic rail journey from Lucknow in Uttar Pradesh to Kolkata, West Bengal.

The Hailstones isolate at their camp in Kiwalik to seize seasonal harvests. Sue Aikens must scour the tundra to secure food to survive.

Ben builds hammocks, goes freediving and experiences rough seas when he meets British expat Rick and his girlfriend Jasna, who live a nomadic life on their yacht in the islands of French Polynesia.

In the final weeks of the pioneering Flinders sleep trial, Dr Michael Mosley's lifelong insomnia starts to shift and the sleep campaign gathers in momentum in Canberra.

The Airplane is the machine that gave us our greatest superpower - the ability to fly. But how we got here is a story full of passion, danger and death.