Daily from 7.00pm.
Programmes start at 7.00pm.
The latest national and international news, exploring the day's events from a global perspective.
Guided by his Bradshaw's, Michael Portillo explores London's theatreland and discovers how 19th-century engineering made for spectacular theatricals. Show more
Sword, Musket & Machine Gun: Britain's Armed History
Episode 3: Rapid Fire
58 minutes on BBC Four HD
Available for years
In the final episode, Dr Sam Willis looks at the drive to develop ever more precise weapons on the battlefield, from artillery shells to rifles to the Maxim machine gun. Show more
A Storyville documentary. The untold story of the Brexit negotiations... from the other side, with exclusive access to the EU parliament's representative Guy Verhofstadt. Show more
Alice Roberts joins the team excavating a 3,000-year-old Bronze Age village in the Cambridgeshire Fens that has been called the British Pompeii due to its state of preservation. Show more
Series exploring scientific issues. Following the search for the smallest thing in the universe, a journey where things don't just become smaller - but also a whole lot weirder. Show more
Horizon reveals the scale of the problem of space junk. In 2014, the International Space Station had to move three times to avoid lethal chunks of space debris. Show more
The wildlife series narrated by David Attenborough explores the planet's coasts. They are the most changeable of the ocean worlds, but they offer great riches. Show more
Naturalist Sir David Attenborough investigates whether the world faces a population crisis and if it is the duty of individuals to change the way they live. Show more
Shipwrecks: Britain's Sunken History
Episode 2: A World Turned Upside Down
59 minutes on BBC Four HD
Available for years
Dr Sam Willis takes the story of shipwrecks into the Georgian age when Britain began to rule the waves and disasters at sea imperilled its trading power. Show more
Programmes start at 7.00pm.