A Sunday in Hell (1977)

Ten of Muhammad Ali's former rivals pay tribute to the three-time world heavyweight champion.

This documentary follows superstar Bret Hart during his last year in the WWF. The film documents the tensions that resulted in The Montreal Screwjob, one of the most controversial events in the history of professional wrestling, in which Vince McMahon, Shawn Micheals, and others, legitimately conspired behind the scenes to go against the script and remove Bret Hart as champion.

As boxing's popularity wanes, three fighters at different stages of their career make sacrifices to pursue their dreams of becoming champions.

Alex Gibney explores the charged issue of pedophilia in the Catholic Church, following a trail from the first known protest against clerical sexual abuse in the United States and all way to the Vatican.

Artists in LA discover the work of forgotten Polish sculptor Stanislav Szukalski, a mad genius whose true story unfolds chapter by astounding chapter.

In this genre-bending tale, Errol Morris explores the mysterious death of a U.S. scientist entangled in a secret Cold War program known as MK-Ultra.

Against the darkening backdrop of New Delhi's apocalyptic air and escalating violence, two brothers devote their lives to protecting one casualty of the turbulent times: the bird known as the black kite.

A comedic, brutally honest documentary following self-destructive TV writer Dan Harmon as he takes his live podcast on a national tour.

A portrait of the day-to-day operations of the National Gallery of London, that reveals the role of the employees and the experiences of the Gallery's visitors. The film portrays the role of the curators and conservators; the education, scientific, and conservation departments; and the audience of all kinds of people who come to experience it.

A documentary chronicling Vogue editor-in-chief Anna Wintour's preparations for the 2007 fall-fashion issue.