S1, E2: If young animals survive until adulthood, the chances for survival are greatly increased - but many challenges face them before they can strike out on their own. Some have months to grow-up; other have decades – but all, have lots to learn along the way. From getting to grips with their bodies and learning to feed themselves, to practicing fighting skills and learning how to form friendships. There are many hurdles along the way, but every small success could mean the difference between life and death.