Só no Carnaval... (1982)

A look at the origins, history and conspiracies behind the "Majestic 12", a clandestine group of military and corporate figureheads charged with reverse-engineering extraterrestrial technology.

Just two years away from turning 30, participants in Michael Apted's documentary series are facing serious questions of identity and purpose, wondering whether they've found their place in the world.

The Making-of James Cameron's Avatar. It shows interesting parts of the work on the set.

Filmmaker Catarina Vasconcelos sifts through the memories of her ancestors. Her naval officer grandfather, Henrique, who married her grandmother, Beatriz, on her 21st birthday, spent extended periods at sea, leaving her with six children. This is the beginning of a generational saga.

A behind the scenes look into George Romero's groundbreaking horror classic Night of the Living Dead.

Behind-the-scenes documentary about how Lionel Messi succeeded in lifting the World Cup – the only trophy to have eluded him in an incredible career.

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.

Alexander McQueen's rags-to-riches story is a modern-day fairy tale, laced with the gothic. Mirroring the savage beauty, boldness and vivacity of his design, this documentary is an intimate revelation of McQueen's own world, both tortured and inspired, which celebrates a radical and mesmerizing genius of profound influence.

Martin Scorsese’s portrait of writer and social commentator Fran Lebowitz, celebrated for her sharp wit and observations on modern life. Filmed at New York’s Waverly Inn and intercut with archival footage and interviews, the documentary captures Lebowitz’s distinctive worldview through her spontaneous monologues and public appearances.

In 1997, Louis Theroux made a documentary about the world of male porn performers in Los Angeles. 15 years later, he returns to find a business struggling with the deluge of free porn on the internet. Louis revisits some of the original programme's contributors as well as meeting the latest crop of porn performers dreaming of porn stardom.