Nisman: The Prosecutor, the President and the Spy

Containing extensive, never-before-seen archives and more than 80 interviews of past and present Boston Celtics legends, this series chronicles the history, cultural impact, and extraordinary tale of the NBA's winningest and most storied franchise, the Boston Celtics,

When a suspect is found in a journalist's murder, the case is considered closed until a secret diary suggests 13 more victims — and possible cannibalism.

This nature documentary introduces viewers to the fauna and flora of Britain and Ireland across four main areas: woodlands, grasslands, freshwater and marine.

From Notre Dame to the NFL, Manti Te'o's future in football showed promise until a secret online relationship sent his life and career spiraling.

Currently still incarcerated, Gypsy's shocking story has been told by many others but now, as she approaches her release in December, she is finally ready to tell her truth before she becomes a free woman for the first time in her life.

Putin, Russia and the West is a four-part British documentary television series first shown in January and February 2012 on BBC Two about the relationship between Vladimir Putin's Russia and the West. The series is produced by Norma Percy, whose previous series include The Death of Yugoslavia, Israel and the Arabs: Elusive Peace, and Iran and the West. The documentary was criticized by some dissidents for being an apology for Putin's regime.

David Attenborough uses pioneering 3D-techniques and technology to explore the unique environments and species of the Galapagos.

When Lori Vallow's kids vanished, the search for them unearthed a trail of suspicious deaths, a new husband who shared her doomsday views — and murder.

Take a trip inside the mind of Bill Gates as the billionaire opens up about those who influenced him and the audacious goals he's still pursuing.

A young British couple's dream trip through remote Central America, turns into a chilling nightmare when they are brutally murdered and the trail for their killer goes cold. Four decades later, failed by law enforcement, their family take up the manhunt and make a shocking discovery.

Follow the case of experienced hiker Meredith Emerson, who along with her dog, vanished without a trace on Blood Mountain in Georgia, leading authorities to begin a massive search-and-rescue operation. When two murdered hikers in other national forests across the southeast are discovered, the question is posed: Is Emerson just another lost hiker — or is something more sinister behind her disappearance?

Trevor Noah takes a unique look at the world through its most popular game. More than any other sport, soccer functions as a mirror to society. Sometimes that shows us the best of ourselves, other times, the very worst