A team of biologists and camera specialists learn how animals have adapted to the dark; in Costa Rica, nighttime camera specialist Justine Evans has an exceptionally close encounter with a large male jaguar.
Bryson Volrin encounters a curious sloth; Gordon Buchanan enters a deserted house that has been taken over by vampire bats.
Justine Evans attempts to film the hunting behavior of the puma; Dr. George McGavin attaches a miniature tracking device to a vampire bat to discover whose blood it is feeding on.
Andy Serkis
Narrator
George McGavin
Host
Gordon Buchanan
Sophie Darlington
Justine Evans