Mike has a tricky time collecting a baby gibbon from France. Meanwhile, at Monkey World, the chimps have fun with fabric, and squirrel monkey Fidget settles into his new home.
Oshine has an eventful first night in the orang-utan nursery and there is exciting news for the woolly monkeys. Plus, Hananya's gang go wild over the revamped chimp enclosure.
There's a problem at the airport with the transportation of overweight orang-utan Oshine from South Africa - will she make it onto the plane?
The team wants to bring a seriously overweight orang-utan to the UK, but it is harder than they hoped, and back at Monkey World the Bachelor boys celebrate a bedding bonanza.
Paddy's chimps go mad for mangoes and rumours abound of a weighty new arrival from South Africa. Plus, Alison saves an old pet squirrel monkey that desperately needs a new home.
Baby woolly monkey Paulo meets his new family for the first time, young chimpanzee Eddi has fun and games with baby brother Bart, pregnant orang-utan Amy gets to grips with a breast pump, and Mad Max the marmoset arrives at the park.
As Zoey the golden-cheeked gibbon goes into labour, the various gibbons in the park seem to know that one of their number is giving birth and have a morning sing-off.
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.
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 and there is some dental surgery to be done.
Resident capuchin TJ joins the new Chile arrivals, but he seems to be in a mischievous mood, and Alpha male chimp Paddy has to step in and keep his unruly troop in line. Elsewhere, orangutan Amy is pregnant.
Hananya shows that he is not so tough when it comes to needles, while four-month-old woolly monkey Paulo is being hand-reared by Mike and Alison. Elsewhere, the other chimps enjoy a `banana-fishing' expedition.
The team are forced to step in when the chimp introduction goes wrong and Ben is injured by the alpha male, orang-utan Hsiao-Quai struggles with her ever-growing son Kai, and the park's staff prepare to welcome another baby orang-utan into the fold.
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.
Eighty-eight capuchin monkeys rescued from a research laboratory in Chile wake up to their first morning at Monkey World. Rodders has a run-in with a sticky melon, and Seamus the chimp comes face to face with alpha male Butch.
Alison looks forward to the prospect of baboons being at the park, while recently arrived marmoset Clyde, rescued from the pet trade, braves the great outdoors for the first time.
A visit from the vet awaits one of the park's strangest residents, while the small monkey team lose the battle to save tragic marmoset Koba, who had been taken out of the pet trade.
Alison travels to Hampshire to rescue marmoset Clyde from a life in the pet trade, while the young orangutan Hujan gets to meet with older male Bulu in the nursery.
Elderly marmoset Jenny gets a visit from the vet before the arrival of a new life partner, while orangutan youngster Hujan begins to adjust to living life in the nursery.
The team at Dao Tien in Vietnam cares for a rescued douc monkey, two golden-cheeked gibbons take to the trees, and a slimmed-down loris enjoys success in its search for a mate.
Orangutan Silvestre undergoes a health check in preparation for moving to a new home, Sasha takes a trip outside for the first time, and Gismo's capuchin group play in a pit of pinecones.