Curiosity Channel

'S1/E2 - The Art and War'. After thriving for over three centuries, the Celts turned from traders into distinguished warriors, weapon masters and metal artists in a time that became their golden age.

'S1/E3 - Skyfall'. The Celts reach another breakpoint, much as they had at the end of the Hallstatt era.

'S1/E5 - The Crash'. The Roaring 20s have seen America rise to become the world's greatest superpower.

'S1/E4 - Wall Street At War'. JP Morgan's death leaves the Titans of Wall Street competing to fill the power vacuum.

'S1/E2 - The Flight to Victory'. The Hell Hawks fight D-Day in the air, while the Avenger torpedo plane blows Japans largest battleship out of the water. Nazi super weapons bring terror from above.

'S2/E1 - Island Dogs'. In our season opener, Doug takes his drone to the Dominican Republic to rescue puppies that have been abandoned in the municipal town dump.

'S2/E2 - Urban Hyenas'. Doug travels to Malawi, central Africa, to work with hyena researchers who are eager to employ his drone. What the infrared camera shows them will surprise them all.

'S1/E1 - Growing Up'. A golden eagle chick learns to fly, hunt and survive its first season in the high Alps. Captured through stunning aerials and rare wildlife encounters.

'S1/E2 - The Adventure'. Forced to fend for itself, a young eagle faces rival raptors and alpine extremes in a fight for survival on its journey toward independence.

'S1/E3 - Survivors'. What changes has the Earth undergone through the eyes of the puma and leopard? Big cats now face numerous threats to their survival.

'S1/E2 - World Domination'. The era of the sabretooth and many other Pleistocene creatures comes to an end.

'S1/E5 - Puerto Rico Rescue Pups'. Doug is called to Puerto Rico to help old friend and rescue partner, Aja Estro, with the massive stray dog population and hoarding cases across the island.

'S1/E6 - Chasing Ghost'. Doug checks in on some of the dogs he's rescued before turning his attention to the high desert outside LA.

'S1/E5 - Puerto Rico Rescue Pups'. Doug is called to Puerto Rico to help old friend and rescue partner, Aja Estro, with the massive stray dog population and hoarding cases across the island.

'S1/E6 - Chasing Ghost'. Doug checks in on some of the dogs he's rescued before turning his attention to the high desert outside LA.

'S2/E1 - Island Dogs'. In our season opener, Doug takes his drone to the Dominican Republic to rescue puppies that have been abandoned in the municipal town dump.

'S2/E2 - Urban Hyenas'. Doug travels to Malawi, central Africa, to work with hyena researchers who are eager to employ his drone. What the infrared camera shows them will surprise them all.

'S1/E1 - Growing Up'. A golden eagle chick learns to fly, hunt and survive its first season in the high Alps. Captured through stunning aerials and rare wildlife encounters.

'S1/E2 - The Adventure'. Forced to fend for itself, a young eagle faces rival raptors and alpine extremes in a fight for survival on its journey toward independence.

'S1/E3 - Survivors'. What changes has the Earth undergone through the eyes of the puma and leopard? Big cats now face numerous threats to their survival.

'S1/E2 - World Domination'. The era of the sabretooth and many other Pleistocene creatures comes to an end.

'S2/E3 - Bats of Malawi'. Doug visits Malawi, central Africa, to experiment in ways his drone can assist wildlife conservation research, pioneering work that can revolutionize field science.

'S2/E4 - Dixie Fire Foxes'. After the Dixie Fire devastates the town of Greenville, Doug heads in with his old friend, Shannon, to rescue the lost cats and wild animals that have been left behind.

'S1/E2 - The Adventure'. Forced to fend for itself, a young eagle faces rival raptors and alpine extremes in a fight for survival on its journey toward independence.

'S1/E1 - Humpback Gang'. Every spring in Norway, whales use a clever hunting technique called 'bubble feeding' to catch large quantities of herring.

'S1/E2 - Orcas vs. Humpback'. Marine biologists Eve Jourdain and Richard Kaoliussen have spent two years studying orcas in Norway that apply the carousel technique for hunting and feeding.

'S1/E1 - Explore'. Patrick investigates how life evolved ways to thrive in all corners of our planet. But can nature teach us better ways of exploring worlds beyond Planet Earth?

'S1/E3 - Survivors'. What changes has the Earth undergone through the eyes of the puma and leopard? Big cats now face numerous threats to their survival.

'S2/E1 - Island Dogs'. In our season opener, Doug takes his drone to the Dominican Republic to rescue puppies that have been abandoned in the municipal town dump.

'S2/E2 - Urban Hyenas'. Doug travels to Malawi, central Africa, to work with hyena researchers who are eager to employ his drone. What the infrared camera shows them will surprise them all.