For a marathon to work, you need a few films that people already love, at least one genuine discovery, and something that sparks a conversation at the end.
The 2000s produced a remarkable run of intelligent, ambitious cinema - a decade that took genre seriously and rewarded patient audiences.
The best documentaries don't just inform - they change how you see something you thought you already understood.
An intimate look at America's favourite neighbor and the life, lessons, and legacy of Fred Rogers.
Follow Alex Honnold as he attempts to become the first person to ever free solo climb Yosemite's El Capitan.
An in-depth look at the US prison system and how it reveals the nation's history of racial inequality.
Two South Africans set out to discover what happened to their musical hero, the mysterious 1970s rock musician Rodriguez.
What makes a documentary essential viewing is specificity. These films don't deal in generalities - they follow real people making impossible choices in real moments.
A look at tightrope walker Philippe Petit's daring, and illegal, high-wire routine performed between the World Trade Center's twin towers in 1974.
When Bryan Fogel sets out to uncover the truth about doping in sports, a chance meeting with a Russian scientist transforms his project into a geopolitical thriller.
A documentary about the 1965-66 Indonesian mass killings, in which former paramilitary leaders re-enact their crimes.
Backup singers discuss their careers and relationships with the stars they support.
Michael Moore explores the culture of guns and violence in the United States.
There are films that remind you, without sentimentality, that people are capable of extraordinary things. These are some of them.
A great documentary is one you find yourself thinking about weeks later. These qualify.