All over the world tides create opportunities for marine life. Giant stingrays glide on currents for a rest, the fastest snail of all surfs waves in pursuit of dinner, crabs play football on the beach, and dolphins play a game of catch.
Simon Reeve voyages across the Coral Triangle, a huge wilderness of tropical seas and islands. Surrounded by the Philippines, Malaysia and Indonesia, the Coral Triangle is one of the most beautiful corners of the oceans.
Gregg Wallace explores the Ambrosia factory in Lifton, Devon, to reveal how it makes up to 360,000 rice puddings every single day. Cherry Healey is in the Po Valley in Italy to find out how fresh water from the Alps is used to grow more than a million tonnes of rice every year. And Ruth Goodman is serving up the history of school dinners.
In Wiseman, Erik must protect his meat from rogue scavengers, while in Noorvik, the Hailstones battle thick ice to bring home essential food.
Newcomer Cody Allen hopes to learn the intricacies of dog mushing, while for Erik Salitan fur trapping is an important source of income.
Cameras focus on Austria's stunning Transalpine railway, which crosses the snowy peaks of the Tirol. The journey begins in the historic city of Graz and heads west through famous alpine beauty spots, including Zell am Zee.
To pay for armies and other costs, the ancient powers had to tax territories and monetise their assets. But in this world of commerce, ancient societies stored their wealth in different ways.
Ben heads to the cliffs of Cornwall where he meets a couple who left the city to become farmers. Ben learns about the five years the couple have spent turning their seven-acre empty plot into an off-grid farm, and he gets stuck in with their animals.
Gregg Wallace explores the Ambrosia factory in Lifton, Devon, to reveal how it makes up to 360,000 rice puddings every single day. Cherry Healey is in the Po Valley in Italy to find out how fresh water from the Alps is used to grow more than a million tonnes of rice every year. And Ruth Goodman is serving up the history of school dinners.
In Wiseman, Erik must protect his meat from rogue scavengers, while in Noorvik, the Hailstones battle thick ice to bring home essential food.
Newcomer Cody Allen hopes to learn the intricacies of dog mushing, while for Erik Salitan fur trapping is an important source of income.
Asia is the most mountainous continent on earth. From the tropical south to its barren centre, its highest places are home to some of our planet's most remarkable wildlife.
There's a strange glitch in the Earth's magnetic field.
Ben joins a couple at the start of their new lives in the wild in a two-room derelict farmhouse in rural Hungary that they bought from the internet without ever having visited the country before.
With spring fast approaching in Kiwalik, the Hailstones hunt for caribou before the region thaws completely and they are unable to cross the river.
Simon Reeve travels across the Kalahari in Southern Africa. Along the way, Simon tracks wildebeest with a group of one of the region's indigenous inhabitants, the San, who are renowned for their hunting and tracking techniques.
We look at the impact of earthquakes. In 2011 the earthquake that struck New Zealand's South Island became the nation's fifth-deadliest disaster. And in Italy, we see the events of the 2009 L'Aquila earthquake.
Michael Mosley finds out why fizzy drinks make you eat more. GP Dr Zoe Williams investigates whether caffeine boosts physical performance. Geneticist Dr Giles Yeo discovers what men can do about baldness. Surgeon Gabriel Weston looks into the new artificial pancreas that could transform life for diabetics. And Dr Alain Gregoire gives the psychiatrist's guide to obsessive compulsive disorder.
There's a strange glitch in the Earth's magnetic field.
Ben joins a couple at the start of their new lives in the wild in a two-room derelict farmhouse in rural Hungary that they bought from the internet without ever having visited the country before.
With spring fast approaching in Kiwalik, the Hailstones hunt for caribou before the region thaws completely and they are unable to cross the river.