Overview: Join the staff at the world's biggest primate sanctuary for joy and drama as they rehabilitate a host of cheeky monkeys.
Overview: There's chaos at the capuchin house when Winslow's group have a weigh-in. Meanwhile, there's dissent in the ranks when chimp Tikko appears to challenge Hananya for leadership.
Overview: Five-year-old Jin leaves home and joins the Orang-utan nursery. Meanwhile, troublemaker chimp Bart is up to his usual mischief when Paddy's group are given sacks full of treats.
Overview: Alison and Jeremy head to Germany to collect a lonely stumpie called Floh. Back in Dorset, the chimp team suspect Cherri might be pregnant.
Overview: Chimp Tikko goes under the knife when he gets a tooth infection, newcomer Floh meets leader Sam and golden-cheeked gibbon Tien is on the look-out for a mate.
Overview: Alison agrees to take in a neglected marmoset. Baby Leo is brought to the park by the RSPCA and is in a dreadful state, leaving Alison unsure as to whether he'll survive.
Overview: Golden-cheeked gibbon Tien finally meets his new mate, Kim. But the course of true love doesn't run smoothly. Meanwhile, naughty chimp Rodders pushes Lulu to the limit.
Overview: There's great excitement at Hananya's enclosure when chimp Cherri finally gives birth to twin baby girls. Elsewhere, woolly monkey Pacaja takes a shine to leader Oaska.
Overview: It's the day of the great ape move as Gordon's orangs swap houses with Sally's chimps. But it's a mammoth operation involving the veterinary team and the primate care staff.
Overview: It's all change for Lulu, Rodders, Ash, Brian and Sally, who now have other chimps living nearby. Meanwhile, baby marmoset Leo is finally well enough to meet his new housemates.
Overview: Hananya's chimps are subdued when Cherri loses one of her newborn twins. Elsewhere, a fight breaks out at the lemur enclosure when two new arrivals are given a rough welcome.
Overview: Alison and wildlife vet John Lewis travel to Monkey World's sister sanctuary in Vietnam to release two golden-cheeked gibbons back into the wild.
Overview: Alison heads to Cheshire to rescue four more marmosets. Meanwhile, the primate care staff build a special enclosure to keep baby woolly monkey Bueno Junior safe.
Overview: At the orang nursery all eyes are on Hsiao-quai to see if she will step up to the mark and adopt baby Bulu, who has just arrived from Hungary after losing his mum.
Overview: The team have to make a heartbreaking decision when chimp Susie is taken to the hospital and found to have an inoperable heart condition.
Overview: Alison heads to the Maldives to rescue a slow loris that was confiscated during a drug raid. Back at the park, Jeremy, is outwitted by capuchin.
Overview: There's sad news at Paddy's enclosure when the team are forced to make a tough decision about chimp Susie, who is suffering from an inoperable heart condition.
Overview: There's exciting news for baby orang-utan Bulu as six-week-old Rieke is due to join him from Berlin Zoo. Meanwhile, the new marmoset house is finally set to open.
Overview: Baby orang-utan Rieke arrives from Germany and immediately hits it off with new playmate Bulu. At the park's hospital, chimp Jestah undergoes a major tooth operation.
Overview: Baby orang-utans Bulu and Rieke are running the team ragged. They need around the clock care and are proving to be quite a handful. Meanwhile, chimp Hananya lets his hair down.