A resilient lioness in Botswana's Okavango Delta embarks on an epic journey of survival in this nature documentary from National Geographic and award-winning filmmakers Dereck and Beverly Joubert. Narrated by Academy Award winner Jeremy Irons, The Last Lions follows Ma di Tau ("Mother of Lions") as she races to get her cubs to safety during a rampaging fire, and fends off ferocious lioness Silver Eye, the murderous matriarch of a rival pride. Crossing crocodile-infested waters on a quest to reach Duba Island, the fiercely protective mother discovers that in order for her family to survive, she must conquer a herd of buffalos with piercing horns. Later, in an incredible turn of fate, Ma di Tau forges a fragile alliance with a rival pride in order to wage a desperate battle to preserve their bloodline in the face of certain extinction. Rated PG