You can’t see them. You can’t hear them. And you never know exactly where they are. The life of submarines is secret and fascinating. In this film, we go inside one of the French navy's legendary vessels, the Rubis, and to where the next nuclear submarine, the Barracuda, is being built. From technological prowess to human exploits, the film submerges us in a timeless amphibian adventure.

Robert Llewellyn examines the enduring appeal of submarine movies, finding a beached Cold War Russian nuclear sub on the Medway and WWII German U-boat pens on the French coast.

Two Finnish filmmakers and an international team of divers embark on a quest to find the lost WWII German U-boat, U-479, in the Gulf of Finland. Despite Soviet claims of its sinking by the submarine Lembit, unanswered questions prompted the filmmakers to investigate the mystery firsthand.

In 2016, a young Austrialian filmmaker began documenting amateur inventor Peter Madsen. One year in, Madsen brutally murdered Kim Wall aboard his homemade submarine. An unprecedented revelation of a killer and the journey his young helpers take as they reckon with their own complicity and prepare to testify.

Showcases 3 major events during World War 2 involving both the Europeans & Pacific conflicts. The Raids to destroy Nazi Germany's heavy water production based in Norway, plus the final desperate act to deny them what had already been stockpiled. The Japanese midget submarines role and participation in the attack on Pearl Harbor, December 7, 1941. What they achieved plus what was their ultimate fate. The attacks on United States warships in the Pacific late in World War 2 by the Japanese Kamikaze and Okha Squadrons. The Kamikaze attacks were in whatever planes the Japanese forces were able to gather. The Okha attacks were made in specially built flying bombs that were towed by larger and usually slower aircraft that were not suitable for fighter work.

The East German Navy's newest submarine hunter is presented. Also, a historical excursus about older anti-submarine ships and the hunt for enemy submarines is shown.

12,000 feet down, life is erupting. Alvin, a deep-sea mechanized probe, makes a voyage some 12,000 feet underwater to explore the Azores, a constantly-erupting volcanic rift between Europe and North America.

This video invites you inside the U-505 submarine, the actual craft that stalked the waters of the Atlantic before it was blown to the surface and captured on June 4, 1944. This immersive video reveals the technology and life aboard this sub in the days leading up to her capture. Among the many highlights, you’ll see crewmen bunks and the galley, wedged in among the mechanical workings of the sub.

In 2008, German U- boat U-455 was discovered off the coast of Italy. 400 feet down, the submarine stands almost vertically on the ocean floor. This documentary will reveal its history and the cause of its demise.