After more than 11,000km across eight countries, the teams face one final test of endurance as they race to claim victory at the finish line in Hatgal, Mongolia.

The teams embark on the final leg of their journey, heading off on the 4,800 kilometre trek to the finish line in Ushuaia, Argentina, the most southerly city in the world. However, as they prepare to leave the last checkpoint, one of the teams reveals that they have run out of money and will not be completing the challenge. The three remaining pairs rely on different tactics to get ahead, benefiting from risky gambles, lucky opportunities and the kindness of strangers.

Twelve minutes is all that separates the first two teams as they embark on the final leg of their Race Across the World from Jakarta to Lombok.

41 days since the start on Canada's Pacific coast, the teams now have the Atlantic within their reach, lapping the shores of the seventh checkpoint at the seaside town of Liverpool, Nova Scotia.

Five intrepid duos are tasked with undertaking the trip of a lifetime, racing over 14,000km across the world’s largest continent, Asia, taking in three of its nations – China, Nepal and India.

With two teams at the checkpoint – Ilha Grande in Brazil – the remaining teams are engaged in a frantic race to avoid finishing the leg in last place.

In the sixth leg of the race, the pairs must brush up on their language skills, as the next stop is in Quebec. To get there, the teams must navigate Canada’s most densely inhabited region.

It is the penultimate leg of BBC Two’s unrivalled travel series, that has taken viewers on a journey through the wilds of Kazakhstan to ancient villages in China. This leg sees the remaining four teams head through the dense forests and bustling metropolises of Cambodia and Vietnam, and the final checkpoint before Singapore – the island paradise of Koh Rong.

After the tranquillity of the islands of Koh Phi Phi, the teams now face a giant leap into the unknown, leaving Thailand behind to embark on a 2000km journey to the Indonesian island of Sumatra.

The five pairs leave Dawson City and head south to the third checkpoint, the Rocky Mountain resort town of Banff. This time, the team arriving in last place will be eliminated from the race.

The teams face the final leg of their journey, travelling 1500 miles down the Malaysian Peninsula to Singapore. However, seven weeks on the road is starting to take its toll. Josh and Felix are reliant on the kindness of strangers, Natalie and Shameema make a desperate gamble, Tony collapses with back pain, and Darron is forced to face his fear of dogs. Last in the series.

Five teams set off from Vancouver on a race across Canada. Without smartphones, internet access or credit cards, they will need plenty of ingenuity to make it to the finish line in Newfoundland.

After racing nearly 13,000 kilometres over seven weeks through China, Nepal and India, the four teams are about to embark on the final leg of the race.

Setting off from Panama City, they take to the Caribbean Sea, bypassing the most dangerous place in the Western Hemisphere - the Darien Gap.

The teams must travel through the populous Indonesian island of Sumatra, where they will endure an ad-hoc transport system, limited accommodation options and virtually zero English spoken.

With a thrilling third series of the Bafta-winning adventure now over, our five pairs meet up again to reflect on the adventure of a lifetime. Season Finale

The five teams reunite for the first time to reveal fascinating insights into their different strategies and individual experiences - from their highest highs to their lowest lows.

Six months after undertaking the race of a lifetime, the five intrepid pairs meet for the first time since returning home in this reunion episode.

Leaving the tranquillity of Kefalonia behind, the teams race through Greece to reach one of Europe’s biggest and most vibrant cities, Istanbul, where Europe and Asia collide.

Six months after the race, all five teams reunite to relive their 12,000km journey from Palermo to Mongolia, with unseen moments and unprecedented behind-the-scenes access

The teams race to reach the second checkpoint – Sanya, one of China's most southerly cities. As well as choosing the best route to get there, they have a typhoon to contend with.

With over 4,500km behind them, the race steps up a gear as the remaining teams learn the fourth checkpoint lies in Georgia’s futuristic capital, Tbilisi.

The five teams bid farewell to Europe and head into Asia, racing toward the remote riverside town of Halfeti, where the last to arrive will be eliminated from the competition.

Five adventurous teams are pushed to the limit, battling extreme climates and harsh terrain in a 12,000km race across Europe and Asia to reach Hatgal in northern Mongolia.

The five intrepid teams reunite in London to look back at their 51-day thrilling adventure through some of the most beautiful, populous and remote places on the planet.

In the penultimate leg, the teams enter Mongolia, the final country of the race, battling freezing conditions and brutal off-road travel to reach Kharkhorin.

The race to St John’s continues as the five teams leave Haida Gwaii and head into the heart of the Yukon towards the second checkpoint, the former gold rush boom town Dawson City.

As the 25,000km race to Ushuaia approaches the half-way mark, the four teams compete not just with each other but with the extreme altitudes of Peru.

The global travel series reaches another level this week as the four remaining teams enter the People’s Republic of China. After nearly a month on the road together, relationships are coming under increasing pressure in what is the most challenging leg of the race to date. With vast distances to cover to the checkpoint - the ancient village of Huangyao - budgets are running low and emotions are high.

After reaching Shangri-La in China, the teams discover where they’re headed next – one of the world’s oldest living cities, Varanasi.