In a technological first, robotic penguins with cameras for eyes follow their real-life counterparts as they journey to their breeding grounds. This fascinating wildlife documentary follows emperor penguins as they cross a treacherous frozen sea. Rockhoppers brave the world's stormiest oceans, only to come ashore and face a daunting assault up a 300-foot cliff, hopping most of the way up.

Watched by innovative animatronic spy cams disguised as penguins, chicks are witnessed hatching as never seen before. This fascinating wildlife documentary sees male emperors form an identity parade before handing over their newborns to the returning females. On the Falklands, rockhopper chicks meet some unruly neighbors: cormorants. In Peru, Humboldt chicks emerge into a harsh desert landscape.

From egg to adolescence, the incredible animatronic spy cams have been following the young penguins through their treacherous early months. And they are also with them as they leave, as this astonishing wildlife documentary watches them take their first steps into the wider world. It will be years before they follow in their parents' footsteps and return to breed.