PBS America (Freeview) Saturday

Life in the region in northern Tanzania, beginning with a focusing on its predators and how they hunt, from cheetahs running down gazelles to lions taking on buffalo

This episode looks at three different German U-Boat wrecks, including UC-66 - the first to be sunk by a plane and U480 - the world's first stealth sub

Armed with the latest undersea technology and personal testimony, divers board two doomed ships to discover what set them on the path to catastrophe

Survivors' stories and shipwreck investigators uncover how even the most powerful warships have had weaknesses which doomed them to the depths

Uncover the remains of warships from the remote Pacific to the Atlantic, and unearth how the atom bomb changed the world forever

Discover how the Americans eradicated the Japanese fleet, and how a Russian sub destroyed German liner Wilhelm Gustloff

In this film, Robin Lane Fox uncovers the truth behind Greek myths and gods, revealing the stories, people, journeys and topography that provided the source material

Highlighting the actions of the diplomats in Berlin who tried to point out the dangers and reality of a Nazi Germany after Hitler was appointed chancellor in 1933

Using reenactments and archival footage to uncover how the Vichy regime collaborated with the Nazis after they took over France in 1940

Documentary exploring the landmark 1952 film High Noon, starring Gary Cooper and Grace Kelly, and the gripping story behind its troubled production