Pagan Viking Sea Kings spend the 10th and 11th centuries morphing into Christian monarchs. But with rulers like Harald Bluetooth and Svein Forkbeard it's debatable whether things will be any less horrific for Scandinavia's neighbors

This show picks up where Dan's Thor's Angels show left off. In the early Middle Ages Pagan Germanic-language speakers like the Vikings are a dying breed. Many of their contemporaries wish they'd die faster.

The Atlantic Slave Trade mixes centuries of human bondage with violence, economics, commerce, geo-political competition, liberty, morality, injustice, revolution, tragedy and bloody reckonings. That sounds like a lot, yet this show merely scratches the surface of this enormous subject.

When do spirit, tenacity, resilience and bravery cross into madness? When cities are incinerated? When suicide attacks become the norm? When atomic weapons are used? Japan's leaders test the limits of national endurance in the war's last year.

Can suicidal bravery and fanatical determination make up for material, industrial and numerical insufficiency? As the Asia-Pacific conflict turns against the Japanese these questions are put to the test. The results are nightmarish.

Coral Sea, Midway and Guadalcanal are three of the most famous battles of the Second World War. Together they will shift the momentum in the Pacific theater and usher in the era of modern naval and amphibious warfare.

Japan's rising sun goes supernova and engulfs a huge area of Asia and the Pacific. A war without mercy begins to develop infusing the whole conflict with a savage vibe.

Deep themes run through this show, with allegations of Japanese war crimes and atrocities in China at the start leading to eerily familiar, almost modern questions over how the world should respond. And then Dec 7, 1941 arrives...

The Asia-Pacific War of 1937-1945 has deep roots. It also involves a Japanese society that's been called one of the most distinctive on Earth. If there were a Japanese version of Captain America, this would be his origin story.

Pain is at the root of most drama and entertainment. When does it get too real? This very disturbing and graphic show looks into some case studies and asks some deep questions. WARNING Very intense subject matter.

Julius Caesar is our travel guide as he takes us through his murderous subjugation of the native Celtic tribal peoples of ancient Gaul. It sounds vaguely like other, recent European colonial conquests...until the natives nearly win.

What happens if human beings can't handle the power of their own weaponry? This show  examines the dangerous early years of the Nuclear Age and humankind's efforts to avoid self-destruction at the hands of its own creation.

If this were a movie, the events and cameos would be too numerous and star-studded to mention. It includes Xerxes, Spartans, Immortals, Alexander the Great, scythed chariots, and several of the greatest battles in history.

From Biblical-era coup conspiracies to the horrific aftermath of ancient combat this second installment of the series on the Kings of Achaemenid Persia goes where only Dan can take it. For better or worse…

Often relegated to the role of slavish cannon fodder for Sparta's spears, the Achaemenid Persian empire had a glorious heritage. Under a single king they created the greatest empire the world had ever seen.

The Americans are coming, but will the war be over by the time they get there? Germany throws everything into a last series of stupendous attacks in the West while hoping to avoid getting burned by a fire in the East they helped fan.

Politics, diplomacy, revolution and mutiny take center stage at the start of this episode, but mud, blood, shells and tragedy drown all by the end.

Machine guns, barbed wire and millions upon millions of artillery shells create industrialized meat grinders at Verdun and the Somme. There's never been a human experience like it and it changes a generation.

The war of maneuver that was supposed to be over quickly instead turns into a lingering bloody stalemate. Trench warfare begins, and with it, all the murderous efforts on both sides to overcome the static defenses.

The Great Powers all come out swinging in the first round of the worst war the planet has ever seen. Millions of men in dozens of armies vie in the most deadly and complex opening moves of any conflict in world history.

The planet hadn't seen a major war between all the Great Powers since the downfall of Napoleon at Waterloo in 1815. But 99 years later the dam breaks and a Pandora's Box of violence engulfs the planet.