In the fourth episode of the series, Clovis was the first Frankish king to acknowledge the Christian faith. This changed the direction of Europe's history.

Rockefeller, Carnegie and Morgan team up to help elect William McKinley to the U.S. presidency by paying for his 1896 campaign, to avoid a possible attack on monopolies. However, fate intervenes when McKinley is suddenly assassinated, and vice president Theodore Roosevelt assumes the presidency and promptly begins dissolving monopolies and trusts in America. Meanwhile, Morgan buys out Carnegie Steel to make Carnegie the richest man in the world, and Henry Ford designs an affordable automobile with his Model T and starts his own business, Ford Motor Company, which sets a new business model for companies to follow.

At a crucial time in history, when religious violence is impacting peace all over the world, and science is venturing into areas that were once the realms of faith, Morgan Freeman embarks on a journey around the globe and through the centuries to uncover the Story of God. He will explore different cultures and religions on the ultimate quest to uncover the meaning of life, God and all these big questions in between. In the first episode, the actor examines religious belief. He starts by discussing the afterlife with scientists, scholars, a Hindu monk and a man who had a near-death experience.

Director James Cameron returns to the site of the 1912 wreck of the RMS Titanic. With a team of history and marine experts he embarks on an unscripted adventure back to the final grave of 1,517 people. Using two small, purpose-built remotely operated vehicles, we can see inside the Titanic and with the help of CGI, view the ship's original appearance superimposed on the deep-dive images. Throughout the movie, there are re-enactments of events that are discussed that use CGI recreations of the interior of the Titanic. The documentary was named one of the Best 3D movies ever by Rolling Stone.

J.P. Morgan proceeds to banish the dark with the direct current electric light of Thomas Edison, but the two soon face serious competition from the alternating current of George Westinghouse and Nikola Tesla. As the 19th century comes to a close, the titans of industry must try to work together to stop a new threat in budding politician William Jennings Bryan, who threatens to dissolve monopolies in America.

For the first time, you will see dramatic moments of WWII that were captured in 3D with stereographs and then shuttered away in secret archives and attics, until now. This stunning collection of colour 3D photos includes Allied reconnaissance photos, a trove of images that documents the rise and fall of the Third Reich, and photos secretly taken by a civilian in occupied France. WWII IN 3D also features an actual 3D motion picture film shot by the Nazis in 1943 and creates a fully immersive, three dimensional portrait of history's largest and bloodiest conflict.