Enter a world of dynastic power struggles and family treachery that's more dramatic than any work of fiction. Filmed over four years in glorious locations around the globe, this intimate landmark series pulls viewers into the lives of some of the world's most iconic animals. As their stories unfold, you witness their incredible determination to protect their family line in the face of challenges to their leadership or from the often harsh environment around them.... \n \nRunning Time: 285 minutes. \n \nFormat: Blu-ray Region B \n \nDavid Attenborough