BBC Earth HD

'S2/E4 - Terracotta Army'. Dan Snow explores the site of the Terracotta Army, where the discovery of thousands of life-sized terracotta warriors, complete with their bronze armaments, was unearthed.

'S1/E2 - The Hunt'. See the long, dark, frozen winters to sweltering, bug-infested summers in remote Canada.

'S1/E1 - The North'. In Varanasi, Bettany takes part in a Hindu ritual which helps her process her own bereavement. She also takes a boat out to the Lake Palace on an island in Lake Pichola.

'S2/E1'. The Big Cats 24/7 team is returning to the Okavango Delta to catch up with old friends.

'Queens of Combat: Rome's Female Gladiators. S1/E1'. What if women were hidden among the ranks of Ancient Rome's fearsome gladiators?

'S2/E4 - Terracotta Army'. Dan Snow explores the site of the Terracotta Army, where the discovery of thousands of life-sized terracotta warriors, complete with their bronze armaments, was unearthed.

'S1/E9 - Kuala Lumpur to Johor Bahru'. In Kuala Lumpur, Michael tries the ancient art of pewter smithing and learns how the discovery of tin transformed a muddy estuary into Malaysia's thriving capital.