David Attenbourough narrates on the greatest of all adventures - the journey through life.
1. First Steps
描述An animal?s first steps are the foundation upon which their future success depends.2. Growing Up
描述On reaching adulthood animals strike out on their own to find their place in the world.3. Home
描述To survive, animals need somewhere to live. But finding and defending a home comes first.4. Power
描述To gain power an animal must find a way to rise through the ranks of its society.5. Courtship
描述It's time to win a mate and the stakes could not be higher.6. Parenthood
描述Offspring are the next best thing to immortality. Parents take great risks to raise them.