The second episode takes a look at how humans have always been voyagers and explorers, leaving the comfort of native shores to explore. Neil DeGrasse Tyson will show us a long-term vision of humanity's future worlds.

The film examines strange shapes of the universe, such as the 'Eye of God', the hexagon on Saturn, and the 'face' on Mars. One of Saturn's moons is a Star Wars lookalike. Could the strange patterns of the universe now solve mysteries that have haunted mankind since ancient times?

Why were the most fearsome warriors our planet has ever known stopped by a flaming light in the sky? How did Columbus use secret knowledge of the heavens to cheat death in the New World? Our ancestors saw a universe filled with bad omens. The film examines the interpretations by ancient peoples of celestial phenomena as bad omens, and the impact that the perceived omens may have had on history.

In a provocative documentary, environmental campaigner George Monbiot examines the disastrous impact that farming animals for meat has had on the planet. He argues that the biggest problem driving us towards global disaster is how we feed ourselves, particularly on meat
George looks at alternative food sources, including synthetic meat, and a process that produces protein from just bacteria and air, and also explores revolutionary ideas that could change agriculture as we know it.

A boxing match in Brooklyn; life in postwar Bosnia and Herzegovina; the daily routine of a Nigerian midwife; an intimate family moment at home: these scenes and others are woven into Cameraperson, a tapestry of footage collected over the twenty-five-year career of documentary cinematographer Kirsten Johnson. Through a series of episodic juxtapositions, Johnson explores the relationships between image makers and their subjects, the tension between the objectivity and intervention of the camera, and the complex interaction of unfiltered reality and crafted narrative.
A hybrid work that combines documentary, autobiography, and ethical inquiry, Cameraperson is both a moving glimpse into one filmmaker's personal journey and a thoughtful examination of what it means to train a camera on the world.

A hero is just someone who acts selflessly, out of concern for others, at personal risk and without the expectation of reward. In this episode, Michael Stevens asks employees to help him run a seemingly dangerous experiment, to see if they would blow the whistle to stop him.