Documentaries worth watching

Follows undercover activists trying to stave off a man-made mass extinction.

Bill Maher's take on the current state of world religion.

A documentary on the life, music, and legacy of Bob Marley.

An in-depth look at the prison system in the United States and how it reveals the nation's history of racial inequality.

An intimate and revealing portrait of Kenny Dalglish - the player, the man, the truth.

The life and work of photographer Sebastião Salgado, who has spent forty years documenting societies in hidden corners of the world.

A documentary that looks at pundits-for-hire who present themselves as scientific authorities as they speak about topics like toxic chemicals, pharmaceuticals and climate change.

An examination of America's obesity epidemic and the food industry's role in aggravating it.

When Bryan sets out to uncover the truth about doping in sports, a chance meeting with a Russian scientist transforms his story from a personal experiment into a geopolitical thriller.

The mysteries surrounding her father's death in the Vietnam war lead ultra-endurance mountain biker Rebecca Rusch on an emotional journey as she pedals 1200 miles of the Ho Chi Minh trail.

In Distance Between Dreams, the most historic year in big wave surfing comes to life through the eyes of iconic surfer Ian Walsh, as he sets mind and body in motion to redefine the upper limits of what's considered rideable.

A profile of an ancient city and its unique people, seen through the eyes of the most mysterious and beloved animal humans have ever known, the Cat.

An experience about the highest peaks around the world.

Archival footage and personal testimonials present an intimate portrait of the life and career of British singer/songwriter Amy Winehouse.

A documentary on the Deepwater Horizon oil rig explosion as seen through the eyes of oil executives, survivors and Gulf Coast residents who experienced it first-hand and then were left to pick up the pieces while the world moved on.

A documentary film about session and touring musicians that are hired by well established and famous bands and artists like Metallica, KISS, and Billy Joel. These hired guns may not be household names, but are still masters of their craft.

The incredible, true-life story of a baby elephant born into a rescue camp in the wilderness of Botswana. When she's suddenly orphaned at one month of age, it's up to the men who look after her herd to save her life.

Hosted by twice Oscar nominated actor Woody Harrelson, Ethos explores the mechanisms in our systems that work against democracy, the environment and our own personal liberty.

Tech tycoon John McAfee made millions from his antivirus software. Now, he may be best known his bizarre and scandalous lifestyle.

In an unbelievable story of perseverance, free climber Tommy Caldwell and climbing partner Kevin Jorgeson attempt to scale the impossible 3000ft Dawn Wall of El Capitan.

Sir David Attenborough explores the world of bio-luminescence, the often spectacular natural light produced by some creatures. Specially designed cameras reveal nature's leading lights.

Follows the two of the most respected men in underground music, Roger Miret and Vinnie Stigma of the band Agnostic Front.

Astronaut Scott Kelly's record-breaking year in space from launch to landing.

Journalist Craig Leeson teams up with diver Tanya Streeter and an international team of scientists and researchers, and they travel to twenty locations around the world over the next four years to explore the fragile state of our oceans.

Human Flow is director and artist Ai Weiwei's detailed and heartbreaking exploration into the global refugee crisis.