From turf wars, to food fights, to mating mayhem, nature is all about competition and the quest to be the best. Every day, our planet is a battleground as animals go head to head with their own kind, in Battle of the Alphas.
A group of gamers tries to track down an internet troll named Menhaz after he claims to have killed two of his family members, with no intention of stopping the murder spree.
He's the most prolific serial predator in California history, but remains mostly unknown. His reign of terror began in the 1970s, but the fear lingers today. Who is The Golden State Killer? Investigators past and present are committed to finding out.
A group of Amish survivors takes a stand against century-long traditions to speak out against oppression in the hopes of effecting change for future generations.
Some call them stadiums, or arenas, or pitches. We call them shrines. Come take a pilgrimage to some of the most famous soccer stadiums in the world as seen through the eyes of their devoted worshipers: the fans.
Tracking a specialist tactical unit from Kent Police who hunt down and capture suspects who have gone on the run. Featuring dramatic manhunts, investigations and chases, it's a game of tactics and nerve for Sgt Ian Cameron and his team.
Documents life on and off the field of the legendary University of Notre Dame Fighting Irish football team through exclusive behind-the-scenes footage and interviews with those closest to the program.
Tasmanian devils are the bruisers of the animal kingdom: feisty, fearless, and always up for a fight. But despite being at the top of the food chain, these marsupials face extinction due to a deadly disease they pass on to one another through biting. Join conservationists as they step into the turf of this brawling ball of ferocity, in a bid to rescue them from themselves.
A new, in-depth peek inside the minds of notorious serial killing cousins Kenneth Bianchi and Angelo Buono who allegedly impersonated off-duty police officers to lure unsuspecting victims to their deaths before leaving their bodies to be found on the hillsides of East Los Angeles during the 1970s.
A docuseries chronicling two doctors' attempts to stop Dr. Christopher Duntsch, a seemingly brilliant, charming and ambitious neurosurgeon who aimed his scalpel at the citizens of Texas and left many patients maimed, paralyzed or dead.
Were they destined to kill? Psychologists, detectives, family and friends walk us through the life stories of 10 serial killers to find out what made them commit their horrific crimes.
A re-examination of the tragic murder of a family at a secluded English farmhouse in 1985 using first-hand testimony and unseen archive footage to reflect on the events and the conviction of Jeremy Bamber.
In the summer of 2015, Crystal Rogers' car was found abandoned on the side of the Bluegrass Parkway in Bardstown, Kentucky. The 35 year-old mother had vanished without a trace, leaving behind a confused and shattered family. Did she run off? Was she abducted?
In May 2007, three-year-old Madeleine McCann vanished from a holiday resort in Portugal. Now, German police believe they know who is responsible for the crime. Interviews with investigative journalists explore this new suspect.
Perhaps Australia's most iconic creature of all, these cuddly looking little characters can face surprising challenges, and in different parts of Australia the koalas have very different stories. Meet Jimmy, a little koala who is trying to find a new home range in the dense woodlands of New South Wales; the koalas at Moreton Bay in Queensland whose population is being monitored; and the koalas of Cape Otway in Victoria, who are overeating their own food supply.