PBS America (Freeview) Friday

Paul Murton discovers how the islands in the Firth of Forth have a dramatic history of warfare, from medieval English raids to the first air-raid attack on Britain

How, in 2017, divers along the Tunisian coast made the discovery of the submerged ancient ruins of a vital Roman outpost, heralding the mystery of Rome's 'sunken city'

How the Permian Period ended with the biggest mass extinction of all time. More than 80 per cent of species vanished, altering the course of evolution

Around 250 million years ago, life on Earth was devastated. The final episode reveals how new ecosystems arrived and the age of reptiles began

As Mussolini began his autocratic rule in Italy, technological advances were made across the world but not everyone embraced them with open arms

Recalling how US Marines took the tiny Pacific atoll of Tarawa in November 1943 after three days of intense fighting - and at a terrible cost to human life

How, in 2017, divers along the Tunisian coast made the discovery of the submerged ancient ruins of a vital Roman outpost, heralding the mystery of Rome's 'sunken city'

How the Permian Period ended with the biggest mass extinction of all time. More than 80 per cent of species vanished, altering the course of evolution

Around 250 million years ago, life on Earth was devastated. The final episode reveals how new ecosystems arrived and the age of reptiles began

As Mussolini began his autocratic rule in Italy, technological advances were made across the world but not everyone embraced them with open arms

Recalling how US Marines took the tiny Pacific atoll of Tarawa in November 1943 after three days of intense fighting - and at a terrible cost to human life

How the Permian Period ended with the biggest mass extinction of all time. More than 80 per cent of species vanished, altering the course of evolution

Around 250 million years ago, life on Earth was devastated. The final episode reveals how new ecosystems arrived and the age of reptiles began