>> the hunt is on. in a battle for survival, the lions always go for the weakest. then the lioness, reaching speeds of up to 50 miles an hour, makes her move. >> jumped on the baby, dragged it into the water. >> she's going for it. she caught him. oh, she did. she got him. did you see that? >> unbelievable. >> and you could hear the baby screaming, you really could. >> they went spiraling into the air into the watering hole. >> they're trying to drag him out. they're dragging him out. >> in seconds, with an extraordinary leap, the lion snags the baby buffalo and slings him into the water like a rag doll. >> just then i saw a splash. then the other four lions came and just sort of surrounded this poor little hapless buffalo. you could hear it cry almost, when it got hit. you could tell high pitched that it was making a funny sound. >> the other lions gathered