Sports

The day of the Nazaré competition has arrived, and Garrett McNamara decides not to compete but instead support his long-time friend and teammate Andrew 'Cotty' Cotton. The competition does not go smoothly, with a major accident that has secondary effects on Cotty. After the competition, Garrett tries surfing at Nazaré again and realizes that can resume big-wave surfing. The episode concludes with retrospectives from a number of the surfers who appeared on various episodes throughout the season.

As the world enters a phase of aggressive competition over untapped ocean floor resources, countries are scrambling to stake their claims. The vast economic potential on offer has made the seabed the ultimate frontier in a new Age of Exploration. China's research vessels in particular have been active in waters right across the globe. Through our exhaustive analysis of huge volumes of Chinese ship tracking data, from sand dredgers to survey vessels, we piece together a puzzle that reveals a new hidden power struggle over increasingly critical submarine resources.

(Click CC for subtitles) Descending to remarkable depths below the sea on one single breath, Alessia Zecchini enters what she describes as the last quiet place on Earth. The Italian champion is determined to set a new world record in freediving, a dangerous extreme sport in which competitors attempt to reach the greatest depth without the use of scuba gear. Freedivers are often subject to blackouts upon ascent, necessitating the help of safety divers like Stephen Keenan, a free-spirited Irish adventurer who fell in love with the sport in Dahab, Egypt.
Having formed a special bond on the freediving circuit, Alessia and Stephen train together to make an attempt on Dahab’s legendary Blue Hole and its challenging 85-foot-long tunnel 184 feet below the Red Sea, their fates inextricably bound together.

Global CO2 emissions coming from aviation will go from about 2% to, by 2050, something closer to 20%. Technology is the only key to open up a brighter future that can be sustainable at the same time. The way we fly is about to change, driven by a new breed of aviators not afraid to think differently. From clean, green electric aircraft to autonomous sky taxis, could the days of the jet age be numbered?

The 1950's - the iconic Scuderia Ferrari battle to stay on top in one of the deadliest decades in motor racing history. Cars and drivers were pushed to their limits, and the competition for the world championship meant racing on a knife edge where one mistake could take a life. At the centre of it all was Enzo Ferrari, a towering figure in motor racing who was driven to win at any cost.
Amidst the stiff competition within his Ferrari team, two of its British stars, Peter Collins and Mike Hawthorn, put friendship first and the championship second. Ferrari: Race to Immortality tells the story of the loves and losses, triumphs and tragedy of Ferrari's most celebrated drivers in an era where they lived la dolce vita during the week and it was win or die on any given Sunday.

Garrett McNamara recovers from the injuries he sustained at Mavericks and begins training to return to Nazaré for another season. While surfing at Indonesia's G-Land site, Garrett suffers more injuries that threaten to take him off the waves permanently. Meanwhile, a friend of Garretts catches an 80-foot wave at Nazaré, taking the world record from McNamara. McNamara resolves to continue his hunt for a 100-foot wave.