When young, weandapos;re told to stay away from the dirt, but the soil holds the nutrient organic material. This program tells the science of soil, which holds the secret of all life on our planet.

Standup comedian Aziz Ansari (“Parks and Recreation”) headlines his third standup special, where he shares his uniquely hilarious perspective on fears of adulthood, babies, marriage, and more. Ansari’s look at life on the cusp of 30 years old is smart, unfiltered, and hysterical.

Marking Play for Today’s 50th anniversary, Drama Out of a Crisis is a compelling exploration of the series, its origins, achievements, controversies and legacies. Featuring a rich and surprising range of archive extracts and original interviews with many who created the series, including producers Kenith Trodd, Margaret Matheson and Richard Eyre, and directors Mike Leigh, David Hare and Ken Loach.

The life of the epoch-making master of martial arts cinema, King Hu.

Why are we still able, today, to view images that were captured over 125 years ago? As we enter the digital age, audiovisual heritage seems to be a sure and obvious fact. However, much of cinema and our filmed history has been lost forever. Archivists, technicians and filmmakers from different parts of the world explain what audiovisual preservation is and why it is necessary. The documentary is a tribute to all these professionals and their important work.

A love story about the legendary sexploitation director Joe Sarno and his loyal wife and business partner Peggy. The film relates their part in the history of sex film, their lives between New York and Sweden, and their struggle to produce one last erotic film.

On his 89th birthday, renowned English broadcaster and naturalist Sir David Attenborough pays his first ever visit to the White House to be interviewed by one of his biggest fans, United States President Barack Obama.

Comprised of two interviews with President Barack Obama conducted both before and after the 2016 Presidential election, The 44th President: In His Own Words is the President’s first-hand account of his time in office–his successes, his failures, his unfinished business–and what he hopes will be his legacy. Including additional interviews with members of his staff, Congress, and the press, The 44th President: In His Own Words is a unique examination of the Obama presidency from the inside out, and a profound and candid historical record that will stand for generations.

Comedian, actor and ex-English teacher Greg Davies is a lifelong fan of Barry Hines’s classic novel A Kestrel for a Knave, the story of Billy Casper training a kestrel as an escape from his troubled home and school life. In this documentary, Greg goes in search of the book’s enduring appeal, travelling to Barnsley, where the book was set and where Ken Loach’s famous adaptation, Kes, was filmed.

This tribute to the dynamic artist Elizabeth Murray, an intrinsic figure in New York’s contemporary art landscape from the 1970s until the early 2000s, highlights her struggle to balance personal and family ambition with artistic drive in a male-dominated art world. It also addresses her later battle with cancer, at the peak of her career.

American viewers may know him best as the British correspondent on “The Daily Show,” but John Oliver is also an accomplished stand-up comic. In his first Comedy Central special Oliver tackles the topics that perplex him about the United States. He takes well-aimed shots at the American political process and the invasion of Iraq (including how the Brits would have done it differently), and argues for reparations from the Revolutionary War.

Help Is On The Way brings to the screen a busy training centre in Indonesia, that prepares women to work overseas as domestic workers. It is at times an emotional journey, but also funny, enlightening and a little competitive, offering a unique insight into a lifestyle not often seen on screen.