Disc #1 -- Nature: Africa's Incredible Hulks 1. Studying Elephants [10:44] 2. Capturing Echo [6:57] 3. Raging Bulls [10:02] 4. Living With Echo [4:00] 5. A Birth [17:00] 6. A Family's Journey [5:10] 1. Struggling to Survive [2:23] 2. White Rhinos [10:28] 3. Repopulating White Rhinos [8:15] 4. Black Rhinos [7:59] 5. Indian Rhinos [10:15] 6. Saving Rhinos [14:50]