Liz Bonnin starts by travelling to the Democratic Republic of the Congo to meet one of our closest animal relatives, bonobos, who seem to have found the secret of long-lasting successful relationships.
In episode two, Liz sets out to uncover the weird and wonderful ways that different species go about getting together. The first step in finding a partner is catching their eye. Out in Africa in the dead of night, Liz learns just how tough it is for male hyenas to get a girl.
