The growing obsession of parents in the scholastic athletic competition of their children is the focus of this first instalment.

The story of college football player Eric LeGrand of Avenel, NJ and mountain biker Steve Shope of Newfields, NH, who both competed at a high level, but suddenly became paralysed on the field.

How the National Football League, America's most popular sports organisation, is confronting the enormous challenge of making the game safer, chronicling the physical toll of the game on its players.

Having spent his entire adult life as a professional boxer, 35-year-old Raymundo "Sugar Ray" Beltran, a Mexican immigrant and father of three, is striving to win his first world title as his career wanes.

A deeply personal look at another side of professional sports, this instalment focuses on the challenges of balancing the pursuit of professional success and family obligations.

Amid the conflict and chaos of the Middle East, the Palestine national football team keeps playing. Should they take the field when the stakes off the field are as high as life and death? Or do these athletes provide an essential glimmer of light to their community?