The Dark: Nature's Nighttime World Episode guide
3/3 The expedition culminates in South America, where the puma's hunting behaviour is filmed.
First broadcast: 12 Aug 2012
2/3 In the heart of the Amazon, Dr George McGavin and the team discover some new species.
First broadcast: 05 Aug 2012
1/3 In Costa Rica, the team encounter some of the most frightening nocturnal predators.
First broadcast: 29 Jul 2012