Oscar François de Jarjayes was born female, but her father insisted she be raised as a boy as he had no sons. She becomes the captain of the guards at Versailles under King Louis XVI and Marie Antonette. Her privileged, noble life comes under fire as she discovers the hard life of the poor people of France. She is caught up in the French Revolution, and must choose between her loyalty and love.

Scientific buoys immersed deep in the sea off the French Riviera reveal the secrets of the giant oarfish: the creature most likely to be behind the myth of the Sea Serpent.

Over a 10-year period, more than 300 people disappeared from the area surrounding Tanzania's Lake Tanganyika. At first, the disappearances were attributed to a serial killer or tribal warfare, but scientists eventually discovered that the culprit was a huge, man-eating crocodile dubbed "Gustave." This fascinating PBS documentary chronicles scientists' efforts to trap Gustave and move him to a nature preserve before he strikes again.