Eight young adventurers go to extremes to help the planet. Here, they explore the world below the waves, snorkelling and diving in freezing sub-Antarctic waters. Show more

The Serious Ocean eight head to the icy waters at the southernmost tip of South America to begin their epic voyage of self-discovery. The young adventurers squabble constantly. Show more

Series in which eight young adventurers go to extremes to help the planet. In this episode, they attempt to become one of the youngest teams in the world to sail around Cape Horn. Show more

Working in bitterly cold conditions, the Ocean Eight face a daunting environmental mission - carrying out a survey of one of the world's most southerly glaciers. Show more

Eight young adventurers go to extremes to help the planet. The team kayak down a spectacular fjord to camp by a glacier. Charlotte takes a trip over the region by helicopter. Show more

Eight young adventurers go to extremes to help the planet. Here, they drop in on a rare colony of albatrosses and attach a satellite tag to a southern elephant seal pup. Show more

The adventurers head into open ocean for the first time in search of colonies of sea lions and fur seals. They camp in a cave where packages from home lead to an emotional night. Show more

The young adventurers help scientists dart dolphins, and sail to the world's most southerly glacier outside Antarctica, which they survey to check on global warming. Show more

Young adventurers go to extremes to help the planet. Sixteen finalists battle for one of eight places on the epic Serious Ocean expedition in a series of gruelling auditions. Show more

Eight young adventurers go to extremes to help the planet. The explorers conduct a census of Magellanic penguins and get up close to Chile's only breeding colony of elephant seals. Show more