David Attenborough employs the latest technologies to explore the violence, rivalries and deadly weaponry existing within the world of bugs. This first episode examines the survival tactics of its terrifying residents including killer ants, trap-setting spiders and beetles with the ability to shoot boiling chemicals at their enemies.
Dr Helen Czerski looks at the anatomy of an avalanche. From shocking eyewitness footage from within an avalanche, to detailed CT scans showing the microscopic changes that cause them, we can now capture exactly what happens as snow transforms into a deadly and unpredictable danger.
Twin lions Chief and Notch maintain a powerful bond, both to each other and to the famous Nsefu pride over which they preside. Enter a pair of nomadic rivals, flagrantly trespassing on pride land. Will the old allegiances hold or will the pride females be swayed by the lure of these bold interlopers? It falls on the brothers to demonstrate that they are the true kings of Nsefu.