BBC Four HD Wednesday

A journey across Hawaii's varied islands, discovering how they were formed and the incredible variety of wildlife that thrives there

Street life in ancient Rome, a vast metropolis with little urban planning and sanitation, revealing where the citizens went to hang out, get drunk, gamble, get clean and have sex

Exploring the realm of the creatures to better understand how they have evolved and scientists search for a single common insect ancestor

Screenwriter and executive producer Debbie Horsfield shares the story of how the 2015 reboot of the 1970s series Poldark came about

Period drama about a young aristocrat who returns from the battlefield to find his estate in ruins and his sweetheart engaged to another man. Aidan Turner stars

Documentary film reflecting on the extraordinary career of fashion designer Vivienne Westwood, looking closely at her artistry, her activism and her cultural significance

Street life in ancient Rome, a vast metropolis with little urban planning and sanitation, revealing where the citizens went to hang out, get drunk, gamble, get clean and have sex

Dan Cruickshank presents the story of the Dalai Lama, with archive footage of Tibet from the 1930s to the 1950s and comment from the eminent Buddhist monk himself

A journey across Hawaii's varied islands, discovering how they were formed and the incredible variety of wildlife that thrives there