A look at some of Europe’s and America’s most horrific serial killers and how bizarrely simple blunders eventually brought them to justice.

When we look around our homes, sheds and garages we see an array of household objects that with one click of a button or twist of a knob will spring to life, and – most of the time – do exactly what we want them to. But how on earth do these objects work? To find out, James May (fuelled by endless cups of tea) heads into his workshop with thousands of little pieces to assemble some of our most beloved and recognisable objects from scratch to see what it actually takes to get them to work.

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Viewers go deep into an Alaskan winter to meet six tough and resilient residents as they try to stay one step ahead of storms and man-eating beasts to make it through to spring. The closest neighbor to Sue Aikens is more than 300 miles away. Eric Salitan subsists solely on what he hunts and forages. Chip and Agnes Hailstone catch fish for currency in bartering for supplies, and Andy and Kate Bassich use their pack of sled dogs for transportation.

Few had ever heard of the Branch Davidians and their leader until a raid by the Bureau of Alcohol, Tobacco and Firearms that led to a 51-day stand-off with the FBI. Who was David Koresh and why were many prepared to die for him?

InSeason3,HardTimetakesviewersonayearlongjourneybehindbars,followingthelivesofthosewhoworkandservetimeintwoofGeorgia’stoughestmaximum-securityprisons.EpisodesincludeBattleBehindBars,WorldWithoutMen,WomenonLockdown,Gangsvs.God,CellphoneWar,PrisonerProtest,TheConvictCycleandTheOutsiders.

Industry leaders including Eric Schmidt and Steve Wozniak are interviewed in this remarkable look at how Silicon Valley has produced an unrivaled stream of innovations.

Professor Brian Cox goes on a grand tour of the planet to explain how the Earth’s beauty is created by just a handful of forces.

True Crime with Aphrodite Jones is an American documentary television series airing on Investigation Discovery, hosted by Aphrodite Jones. The show is very similar in format to On the Case with Paula Zahn. The series has been renewed for a fourth season.

Exploring haunted locations associated with infamous serial killers, Zak Bagans and the Ghost Adventures team – Aaron Goodwin, Jay Wasley and Billy Tolley – seek to document whether malicious energy has been left behind by sadistic killers and their evil acts.

Concorde is a two-part documentary telling the story of the supersonic passenger jet.

A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.