Animals: The Secret Life Of The Zoo, 8pm, C4

With numbers in the wild falling fast, Chester Zoo’s black rhino breeding programme is a vital part of preservation. In this last episode in the series black rhino Kitani is introduced to new mate Magadi but with injury a high risk during the process, keeper Babs is concerned that since she lost her horn after the death of her calf she may struggle to defend herself. Meanwhile there’s a surprise birth in the orangutan house.