Nature Shock

Latest Episodes

• Season 3 Episode 4: Death Fog

  On August 21, 1986, nearly 2,000 people living near Lake Nyos in north-west Cameroon dropped dead, severely depleting the populations of three lakeside villages. The documentary examines the circumstances surrounding the tragedy, questioning whether the eruption of carbon dioxide pockets at the bottom of the lake could have produced an odourless toxic cloud deadly enough to suffocate the locals

• Season 3 Episode 3: Elephant Graveyard

  An examination of the media uproar that surrounded the deaths of five elephants near a Bengali village in May 2007. Intensive investigations concluded the creatures were killed by a lightning strike during a fierce electrical storm, but some experts remained unconvinced. This programme explores allegations of foul play by the Indian state's Forest Department, and questions whether the animals could have been poisoned

• Season 3 Episode 2: Cannibal Hippos

  Examination of the spate of deaths among Ugandan hippos that occurred in 2004. Though tests quickly confirmed they were being poisoned by anthrax, how it was spread astounded vets - noting that unusually no other species were affected by the outbreak, it became evident the creatures were catching the illness by eating the corpses of their kind as drought destroyed their regular sources of nutrition