Content from BriteSpark Films

Britain is undergoing a domestic heating revolution - heat pumps are replacing gas boilers and apparently everyone should prepare to put one in their homes. Alexis Conran investigates whether these devices live up to the hype, examining the pros and cons to help consumers choose the best option. Plus, tips on maximising savings.

From the hilarious to the mind-boggling, from the deadly to the bank-busting, witness some of the most outrageous structural disasters and the genius resolutions to get things back on track.

Massive engineering mistakes occur all over the world, some with devastating consequences. These are assessed by design teams, eyewitnesses, and experts who analyze what went wrong and how the engineers fixed the mistakes.

Kay Nambiar joins psychic Ian Lawman and paranormal investigators Paul Hobday and Chris Howley on a journey to some of Europe's most haunted locations, in search of definitive proof of whether or not ghosts really exist.

Landmark series lifting the lid on Silicon Valley's tech titans - Gates, Bezos, Zuckerberg and Musk - who changed our world forever, from how we communicate to how we shop and the information we get.

For seven decades after its tragic sinking, the Titanic lay undiscovered on the ocean floor. This compelling series tracks the search for the wreck across the depths of the Atlantic.

Alexis Conran exposes the cowboys who're after your money.

Real-life stories of outwardly lovable but inwardly evil men and the heinous crimes they commit. They boast good looks and ooze charm and charisma, but deep down are destructive, heartless criminals who kill to get what they want.

Eight British teen tearaways are incarcerated in one of America's toughest jails in a bid to divert them from a life of crime.

Former aerospace engineer Justin Cunningham tries to keep the Glasgow Tower turning, and Tomo Umewaka helps engineers in Osaka keep their airport from sinking into the sea.

A minute-by-minute account of the December 2004 tsunami, which destroyed towns and villages across the Indian Ocean, killing 230,000.