National Geographic

'S1/E6 - Kingdom of the Polar Bear'. In the high Arctic, the team takes on the challenge of the polar bear to figure out what the changing habitat could mean for its future.

'S1/E1 of 6 - Tutankhamun's Treasures'. New technology reveals how Tutankhamun's resting place remained hidden for so long, and an amazing new discovery in a 4000 year old tomb.

'S1/E5 of 6 - Hunt For The Pyramid Tomb'. Why did the great pharaohs of Egypt abandon the pyramids of Giza and choose a secret cemetery in the Valley of the Kings?

'S1/E1 - Peru's Sacred Valley'. High in Peru's Sacred Valley of the Incas, chef Gordon Ramsay is a man on a mission, travelling by motorbike to unlock the secrets of high-altitude cuisine.

'S1/E4 - New Zealand's Rugged South'. Gordon Ramsay travels to the remote corners of New Zealand's South Island on an adventure to unlock the secrets of Maori cuisine.

'S1/E2 - The Mountains of Morocco'. Deep in Morocco's Middle Atlas Mountains, Gordon Ramsay embarks on an epic adventure to understand the ancient Berber cuisine.

'S1/E5 - Hawaii's Hana Coast'. Gordon Ramsay travels to the island of Maui in Hawaii to explore the exotic ingredients of Hawaiian cuisine along the rugged Hana coastline.

'S1/E1 of 6 - Hidden Secrets Of Pompeii'. Archaeologists embark on new digs in Pompeii - they unearth a sacrificial skull, investigate a strange mummy, and crawl through underground tunnels.

'S1/E2 of 6 - Rome's Sunken Secrets'. Maritime archaeologists find traces of a fierce battle off of the coast of Sicily that changed ancient Rome's history and catapulted it to power.

'S1/E3 of 6 - Secrets Of The Colosseum'. How did the Colosseum come to symbolise the might of Rome? Archaeologists venture into the ruins and unearth long-lost amphitheatres to find clues.

'S1/E5 of 6 - Secrets Of Rome's Great Wall'. Experts investigate Hadrian's Wall, the biggest structure that Rome built, to reveal the secrets of life and death on the ever-changing edge of empire.

'S1/E6 of 6 - Pompeii's Lost Twin: Herculane'. Experts investigate Herculaneum's grisly skeletons and uncover what happened in the deadly final hours after Mount Vesuvius erupted.

'S3/E1 - Ancient Ingenuity'. An all-female cast of archaeologists make the discovery of a century, find an amphitheatre, and search beneath the waves for an ancient resort.

'S3/E2 - A Daughter's Strength'. The next generation of strong Alaska Native women learn to provide for their families.

'S2/E3 - Rome's Desert Cities'. Archaeologists excavate a buried city in Jordan, dive a sunken temple in Italy and explore Petra to shed new light on how Rome conquered the east.

'S1/E5 - America: Salem's Hunts and Hysteria'. Cinematic reconstructions, new analysis and expert interviews shed fresh light on the most famous witch trials of them all in Salem, Massachusetts.

'S1/E1 - The Wave'. A massive earthquake off the Indonesian coast generates a huge tsunami, creating a landfall within minutes. Caught unaware, people fight to survive.

'S1/E2 - Thailand'. The tsunami reaches the crowded tourist resorts of Thailand during peak season. Survivors separated by the waves search for their loved ones.

'S1/E1 - The Next Chapter'. After the 2019 fire that almost destroyed the iconic Notre Dame Cathedral, a team of engineers, masons, and timber workers set out to restore France's historic landmark.

'S1/E3 of 5 - Close Encounters At Nuclear Bases'. The malfunction of U.S. nuclear missiles after a UFO encounter leaves the U.S. defenceless - three former Air Force officers tell their story.