After a surfer dies off Morro Bay, Calif., on Christmas Eve, shark attack investigators Ralph Collier and Brandon McMillan use forensic evidence and eyewitness accounts to identify the suspected killer: an 18-foot great white.

Oak Tree: Nature’s Greatest Survivor. In this landmark new BBC documentary, entomologist George McGavin takes us on a fascinating journey through a year in the life of a 400-year-old oak tree.

Al Capone – The quintessential self-made American man, ruthless killer, or both? To this day we are fascinated with this celebrity gangster. Americans love a bad boy; a tragic anti-hero. Al Capone is one of the originals, one of the most notorious bootleggers and gangsters of the twentieth century, believed to have personally murdered dozens of people and ordered the killing of hundreds of others. But that’s only one side of this complicated man. He was also a hugely popular public figure, dynamic and charismatic; he opened one of the nation’s first soup kitchens, and was a devoted patron and guardian of jazz, giving African American musicians opportunities that they would otherwise never have had. So what made him a crime boss instead of a powerful politician?

What happens when a machine makes life-or-death decisions? This documentary explores the dangers of artificial intelligence in military application.

Documentary portrait of Joy McKean, Australia’s Queen of country music. Follows her performance and songwriting career, decades of touring around Australia, and her marriage of more than 50 years to fellow musician Slim Dusty.

A sweeping overview of humanity’s accomplishments in space, as well as our ongoing activities and future plans.

Led by archaeologist Ciprian Ardlean, this groundbreaking special unearths fresh archaeology that is transforming the understanding of when and who the earliest humans traveled to the Americas.

One of the most recognizable voices in all of modern day music, Dua Lipa quickly rose to fame. Her catchy tunes and sultry vocals make her music appeal to a global audience.

Based on real near-death experiences, the afterlife is explored with the guidance of New York Times bestselling authors, medical experts, scientists and survivors who shed a light on what awaits us.

Thirty-plus years after its release, the popular two-part miniseries “It” and its infamous villain Pennywise live on in the minds of horror fans around the world. This documentary captures not only the buzz the “It” saga generated in 1990 but also the lasting impact it has had on an entire generation and the horror genre at large. Several years in the making, the film features exclusive interviews with many of the cult classic’s key players, from cast members Richard Thomas, Seth Green, and Tim Curry, who portrayed the notorious monster clown Pennywise, to director Tommy Lee Wallace and special effects makeup artist Bart Mixon. The documentary also boasts a wealth of archival material and never-before-seen footage.

Formidable grandmother Isla Roberts is adamant. She insists that although she’s not a lesbian, her girlfriend Susan is. In this tender, richly humorous portrait of an 87-year-old horse carriage driving champion, we learn what makes an ordinary life extraordinary. Straight-shooting Isla’s lived experience of rural Australia, raising a family in severe economic hardship, and finally coming out later in life, all make for a poignant documentary of a woman who’s well ahead of her time and refuses to be put in a box. Director Marion Pilowsky tracks Isla for an eventful, cathartic year with empathy and incisiveness.

The inspiring story of four Zimbabwean men who form their country’s first Wine Tasting Olympics team and the mission that drives them to compete.