PBS America (Freeview) Saturday

Exploring the secrets of the author's enduring success, as famous faces and die-hard fans delve deep into the literary archives to investigate the inner workings of her mind

Examination of the Allied campaign in Italy during early 1944. Unable to break through Nazi lines, troops were stalled in the mountains below Rome during the long winter months

Servicemen from four American communities recall their experiences of D-Day, in which more than 150,000 men took part in the invasion of France

The Allies make slow progress through Europe during the summer of 1944, losing pace in the Normandy countryside. Meanwhile, American forces fight their costliest battle

The plan to end the war in Europe by winter 1944 founders as Allied forces massed on the German border find themselves short of fuel, leading commanders to take a risky gamble

General MacArthur's campaign to liberate the Philippines and his resultant popularity back home in America - which belied the scale of the bloodshed necessary for victory

Exploring the secrets of the author's enduring success, as famous faces and die-hard fans delve deep into the literary archives to investigate the inner workings of her mind

Documentary exploring the most catastrophic mass extinction in our planet's history, beginning in the Carboniferous Period

How the first herbivorous vertebrates evolved on the side of the amniote family tree, and the Early Permian Period, which ends in a mystery

How life in the middle Permian Period flourished, including reef complexes which stretched for hundreds of kilometres in what is now the Texas desert

How mammal-like traits emerged in ancient creatures during the late Permian Period, and the dawn of the cynodonts, all before the time of the dinosaurs

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