Plot: The award-winning team behind Penguins - Spy in the Huddle use hidden cameras to go into the heart of the dolphins' world, offering the chance to encounter dolphins up-close. The camera eyes of thirteen different 'Spy Creatures', including Spy Dolphin, Spy Nautilus and Spy Turtle, allow behaviour to be captured that has never been filmed before, including a vast superpod of spinner dolphins hunting huge shoals of lanternfish while dodging the gaping mouths of giant rays