Keep Frozen (2016)

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.

Viewers will get a look at Parker and Stone's thought process as they approach a new episode and the 24/7 grind they subject themselves to each time the show is in production. The documentary also includes in-depth interviews with Parker and Stone about their working partnership and reflections on highlights from their careers.

A compilation of over 30 years of private home movie footage shot by Lithuanian-American avant-garde director Jonas Mekas, assembled by Mekas "purely by chance", without concern for chronological order.

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

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.

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

A documentary about the making of season five of the acclaimed AMC series Breaking Bad.

A documentary on the life of John Lennon, with a focus on the time in his life when he transformed from a musician into an antiwar activist.

A documentary exploring the legacy of Star Trek: Deep Space Nine, the reasons it went from the black sheep of Star Trek to a beloved mainstay of the franchise, and a brainstorm with the original writers on what a theoretical eighth season of the show could look like.

A musical study of Los Angeles in the late 90s, where homeless teens roam the streets and profess to live a punk lifestyle of music, drugs, and flouting authority.