He knows we're here. We're here on his terms. If he decided to bat us all into the next world... he would do. Director Kate Broome checks with Tonga that it's safe for the crew to get closer. Normally, we have to stay in the Land Rovers, Kaseyo says it's safe to go in. This is such an extraordinary opportunity, to be this close to black rhino. The trial goes well with Elvis and the stage is set for future filming. Several weeks later, the team are back and this time I've joined them. But Elvis's mood has changed. He seems more wilful. Now, I've stood by many wild animals in my time, but I'm not as fast on my pins as I used to be. We don't want to test Elvis's patience,