A look at the lives of monkeys, chimps, orangutans, and apes living at the world's biggest sanctuary, the 65-acre Monkey World Ape Rescue Centre in Wareham, Dorset.
Series three begins with 88 capuchin monkeys waking up to their first morning at Monkey World. The park's naughtiest resident, meanwhile, butts heads with an alpha male. (S3, ep 1)
Wildlife vet John Lewis is given a run for his money when he tries to sedate two excitable chimps. Plus, the male capuchins get used to life together. (S3, ep 2)
The team step in when Ben is injured by the alpha male during the chimp introduction. Orangutan Hsiao-Quai struggles with her ever-growing son, too. (S3, ep 3)
A four-month-old woolly monkey is hand-reared and, in the endangered golden-cheeked gibbons' enclosure, excitement bubbles when news breaks that Zoey may be pregnant. (S3, ep 4)
Resident capuchin TJ stirs up trouble when he joins the new Chilean arrivals. The chimps from Hananya's group, meanwhile, get their teeth cleaned. (S3, ep 5)
A big decision must be made when alpha male Hananya continues to exhibit violent behaviour. Chimps Simon and Eveline, meanwhile, compete in a swing-off. (S3, ep 6)
A baby chimp tries to prove he is grown up enough to go it alone. The Bachelor Boys' reputation, meanwhile, takes a hit when they become frightened of a new toy. (S3, ep 7)
Celebrations are in order when golden-cheeked gibbon Zoey introduces a new member of the family. The mood sours, though, after a fight breaks out among the capuchins. (S3, ep 8)
Baby woolly monkey Paulo meets his new family for the first time, and pregnant orangutan Amy gets to grips with a breast pump. (S3, ep 9)
A shock is in store for chimps Ben and Pip when they have another encounter with Hananya. Piquita, meanwhile, is the centre of attention in the woolly monkey enclosure. (S3, ep 10)
Nerves jangle as pregnant woolly monkey Piquita approaches her due date. The life of ruffed lemur Blue, however, hangs in the balance. (S3, ep 11)
A baby woolly monkey is tempted into the outside world by a banquet of tasty bugs. The keepers, meanwhile, plan a third meeting between Ben and Hananya. (S3, ep 12)
Trouble brews when a fight erupts between the feisty female capuchins. Alison visits baby woolly monkey Paulo for the final time, too. (S3, ep 13)
Animal director Jeremy is concerned about chimp Ben, who has a nasty foot injury. Gibbon Tien, meanwhile, undergoes a major transformation. (S3, ep 14)
Urgent action is taken when an infection threatens to sweep through the park's chimp population. The overweight orangutans, meanwhile, plod on with their diets. (S3, ep 15)
Events take a turn for the worse for chimp Ben, and panic grows when another primate in Hananya's house is struck down by the same illness. (S3, ep 16)
A pair of Mueller's gibbons develop a taste for the high life in the treetops, and a specialist doctor is called in when Freddy's bowel complaint fails to improve. (S3, ep 17)
Alison visits Dao Tien island in Vietnam, the site of Monkey World's foreign sanctuary for endangered primates. The team set out to free two rare monkeys, too. (S3, ep 18)
The park is saddened by the death of alpha male capuchin Tom, and a balding macaque receives protection from his troop's over-enthusiastic grooming. (S3, ep 19)
In a dramatic final episode, Alison springs into action when an adult female chimp in Mexico urgently needs the team's help. Kai tries his hand at being independent. (S3, ep 20)