INFAST US

Buffalo struggles to make its Christmas deliveries; Prefkar Mony copes with life in the North.

Buffalo's Electra aircraft gets hit with high winds; a rookie crew faces a terrible ice storm.

Engine trouble plagues Buffalo's newest plane; a standoff between Joe and Transport Canada threatens to close the airline; Joe faces a tough decision about his old dog Sophie.

Joe goes for medical testing in Arizona; Jeff and Sam stress over their checkflights; Joe celebrates turning 17.

Jeff almost runs off of the runway; Prefkar learns how to play hockey; Joe goes on a date with a real dog.

Mickey gets Buffalo involved in a D-Day paratrooper jump; Prefkar escapes courier duty.

Buffalo's top guns, rookies, and vets go to California for aerial dogfights in real fighter planes; Cory and Mikey race to get ready for the D-Day jump.

Joe refuses to fly his DC-3 into the drop zone, threatening Mikey's D-Day tribute parachute jump.

Ash heads into the desert to meet up with Wu Xinlei, who is a survival expert; he's hoping to understand what it would have been like for the people who built The Great Wall in this remote and punishing landscape.

Ash enters the final stretch of his journey along the Great Wall of China; after observing the building techniques used, he heads into the Gobi Desert to visit Crescent Lake, an oasis nestled between sand dunes.

Jonathan gets on a motorcycle to explore the countryside of Montenegro. He embarks on a Don-Quixote type journey, alluding to the origin story of author Miguel Cervantes.

Jonathan is prepared for whatever comes his way, as he mounts his trusty Russian Minsk motorcycle and rides from Da Nang to Hue.

Jonathan heads to Bali and learns about the island's temple ceremonies, discovers a mysterious village with open burial sites and dives into its problems with waste.

Jonathan explores the US Virgin Islands, uncovering Danish ruins, Taino history, and a journey that leads him to the Dominican Republic.

Jonathan Legg recounts his best moments from the second season, revealing insights and unseen footage.

Jonathan explores Kolkata's Kalighat, studies dancing and divinity, uncovers British East India history, and visits India's only Chinatown.

Jonathan explores India's polo roots in Manipur, meets a women's polo club, discovers a horse god, and uncovers local martial arts.

The brothers use a Felucca Boat to travel north along the Nile, from the oasis town of Aswan to the ancient city of Luxor, before finding a massive sand dune to slide down.

Rob and Dave reach the end of their incredible journey and must go back to where it all started, in Buenos Aires.

Rob and Dave make a toast to their recently finished trip rough riding across Argentina.

Rob and Dave relive some more of the highlights from their incredible 6000km journey.

Josh and explorer Steve Duncan travel to Tallinn in Estonia where they explore Patarei Prison; in Vietnam, Cody and his friend, Sherman Mak, travels to Pan Thiet in search of abandoned amusement park Soui Cat.

Urban explorers Josh and Cody visit Germany and Morocco in search of astonishing abandoned locations including Wünsdorf, the forbidden city near Berlin, and an abandoned film set in the Sahara desert used for "Game of Thrones.".

In Georgia, Cody and roof-topper Harry Gallagher ride in a cable car known as Stalin's coffin; in France, Josh searches for abandoned chateaus with globetrotter Lexie Limitless.

After meeting an old friend from the Chu Great Wall, Ash visits some stone structures, both natural and human-made, at Yardang National Park and Xiaofang City; with one final phone call home, it's time to leave The Great Wall of China.

The new version of the Flying Kestrel is ready to be put to the test at a wind tunnel; has the team done enough to create a record-breaking car?