In the first episode of the new series of Monkey Life, concern grows for chimp Kalu, who was recently rescued from South Africa. Alison calls in two consultant surgeons to operate on Kalu to remove her gallbladder, it’s the first time the surgeons have operated on a chimpanzee but wildlife vet John Lewis is on hand to assist. At Hananya’s, the addition of a felled oak tree gets the whole troop interested and active. While saki monkeys, Desmond and Chloe get to grips with sunflower heads and the autumn leaves are falling for the parks squirrel monkey group.