A look at eggs and what birds go through to produce and protect them. This epsiode ranges from the mating flights to fledging of their offspring. Species examined include frigate birds and toucans as well as weaver birds and cuckoos.

A look at how birds deal with hostile environments and with people. The episode ranges from crows in Japan that use traffic to crack nuts to penguins who never see a person but make long treks through frigid wastes.