Zeynep is reunited with her half-sister, Kuki; Jim and Alison are on a mission to rescue an injured capuchin monkey from the pet trade; baby orangutan Hsiao Ning goes exploring.
Kuki's half sister is rescued; Harry introduces her newborns.
Baby orangutan Hsiao Ning meets her new family; Kuki's half-sister may be found; A-mei braves the outside world.
Hebe and Johni are getting along; woman has a dangerous gibbon for a pet; Jim and Alison meet family pets which happen to be endangered.
Trudy the chimp; Peppa the smoking chimp; Charlie; Sage and Sam are going to become parents; three young chimps join a new group.
Jim catches up with Carli; A-mei the orangutan arrives from Taiwan to become an integral part of the park's breeding program.
The capuchins come across some surprises; Harry and her marmoset family; the Ping-Tung rescue centre in Taiwan.
Baby orangutan Hsiao Ning moves to her own nursery; lemurs are separated; Kiki arrives at the park.
Jim reunites with Kuki; bachelor chimp Alberto; the keepers discover that one of the chimps they thought to be male is pregnant.
The baby orangutan gets a name; the ugly monkeys have beauty issues.
Gordon the baby chimp gets a father figure in the form of Tuan; Jeremy is in constant demand from Ben and Pip.
Mike is busy on dad duty; a special delivery for the woolly monkeys; Nick the macaque goes outside.
Orangutan Ro-Ro deals with motherhood; a new female orangutan from Taiwan; Turkey; 7-year-old chimpanzee.
Alison and Jim investigate a report of gibbons being held illegally in Cambodia; Alberto meets another bachelor.
Ben and Pip brave the outdoors; home improvements; acrobatic chimp Simon; Jim and Alison visit Cambodia.
Rosa moves to her new home; Johni undergoes surgery; a wildlife rescue center.
Ben and Pip meet their foster mom; Johni has a biopsy; pregnant Ro-Ro.
Bad behavior divides the orangutans; a woman drops off two marmosets; Britain's pet trade.
A look at Eddi; Alberto gets exhausted; Peanut the gibbon is about to change color; a playful chimp photo-shoot.
The park's second orangutan birth; Ben and Pip join the nursery; Alberto needs an operation.
Jim and Alison Cronin return to Thailand, where they meet dealers who operate in the illegal wildlife-smuggling trade.
A gibbon sanctuary in Thailand; the exploitation of apes in Asia; wildlife smuggling.
Roro seems to be very sad; Alberto does not like the thought of leaving his caged existence.
A woman is unable to care for Betty, her pet marmoset; a rare Goeldi's monkey.
Critically endangered gibbons are found chained to trees in Vietnam.
Baby chimps Ben and Pip have their first day at the creche; working orangutans in Thailand.
Sally gets to meet Tutti; Jim and Alison witness an orangutan boxing match.
Baby chimp Tutti is flown from Saudi Arabia; Jason the Ugly Monkey breaks his arm; a snake disturbs Paddy's posse.
A marmoset named Taz arrives at the park; Jimmy serves time for attacking Johnnie.
Paddy's troop ousts Johnnie; Hebe reunites with her mother, Olympia.
Hebe and Johnnie try to gain acceptance into Paddy's chimp troop; Carli gets a health check.
Carli's departure from Turkey attracts press attention; an intruder invades the lemur habitat.
The girls fight over Tuan; Ella the Russian gibbon needs an emergency operation.
Honey and Evelyn leave the nursery; Roro steals Amy's new love, Tuan.
Lulu the one-armed chimp braves the outside world; renovations at a zoo in Russia.
Jim and Alison realize that if they want to rescue more primates they will need to expand; Jeremy makes space for them by taking baby Seamus to visit foster mom, Sally.
Jim comes face-to-face with a smuggled chimpanzee; baby Hebe takes her first steps under the watchful eye of her mother.
Mischievous chimps gather together in a boisterous nursery group.
Charlie the lonely chimp takes a rescued chimpanzee from Spain under his wing.
Chimps are being killed for bushmeat in West Africa, leaving the orphans to be sold as pets; chimpanzee is chained to a shed in Spain.
The keepers save a baby chimp from its mother; the ugly monkeys escape.
Rescuing a large orangutan; Hananya challenges Rodney for the alpha male position; Roro is fascinated with a paper bag.
A confrontation over two neglected male chimpanzees; moving day for the orangutans.
In Turkey, Jim and Alison meet a film-star chimpanzee; Hebe and Johnnie are jealous of baby chimp Eddie; a smuggled gibbon arrives.
Jim visits Istanbul; ugly monkeys at the park experience male bonding; Suzie the chimp protects her baby, Eddie.
Orphaned baby chimpanzee; Cherry is pregnant; Suzy gives birth; 18 macaques move into a new home; disturbing news of Harry in Sierra Leone.
Harry the chimpanzee leaves his military refuge.
Getting baby chimp Harry out of Sierra Leone; Alison trails a Capuchin Monkey in London; newborn chimp Ben.
A surprise birth stuns a chimp mother; Alice the lemur has surgery; a Marine officer cares for baby Harry.
A baby chimp in West Africa adjusts to military life; Alice, a lemur, causes concern at the park.
Rescuing endangered orangutans in Taiwan; a Royal Marine in Sierra Leone fights to save the life of a baby chimp.
Baby chimp Hebe has to be taken away from her mother.
Monkey world owners Jim and Alison introduce the inhabitants of the sanctuary.
Jim and Alison collect 19 stump-tailed macaques; Lulu becomes friends with Seamus; the plight of African apes.
Lulu arrives from Cyprus but is terrified of the other apes.
Jim and Alison agree to home a one-armed chimp; Amy and Roro drift further apart.
The team returns to Dorset with the new apes; Roro meets Gordon and Amy.
Jim and Alison head to Cyprus to meet a one-armed chimp called Lulu.
Jim and Alison meet a domesticated orangutan and learn what to feed the apes back home.
Jim and Alison return to Taiwan; a boatload of baby animals are saved.
Eight gibbons and an orangutan arrive at Heathrow airport, where they undergo tests before continuing to the new enclosures.
Baby orangutan Gordon and his mum begin to bond.
The keepers await the arrival of gibbons from Taiwan, where Jeremy makes a breakthrough with a difficult orangutan.
The new gibbon enclosure nears completion; two baby chimpanzees meet the rest of the group.
Jim and Allison meet some rare primates in Taiwan; Hebe is reunited with her mother.
Baby chimp Seamus reaches a landmark in his development.
A baby chimp has to be taken away from its mother; Charlie has arthritis.
Staff members Jim and Alison visit a rescue centre for endangered animals in Taiwan.
Sage the gibbon gives birth to a baby boy; Seamus meets his new family.
The rescued lab chimps are introduced to the group; a siamang gibbon goes into labour; Johni gets a new foster mother.
Unexpected pregnancies prompt a doctor's visit; the orangutans have some ice cream; baby Hebe tries to make friends.
Mike struggles to give Sam his vitamins; Pacito makes a new friend; nest-building in the nursery.
Charlie and Pacito meet the bachelor boys; coffee with the orangutans; a fake termite mound is a big hit.
Charlie and Pacito try to make friends with two members of Paddy's group; Sally helps Jeremy clean the nursery; Trudy has a tantrum.
Jim locates a smuggled chimp in Turkey; Hebe takes her first steps; other chimps want to be Honey's friend.
Jim flies to Turkey on an undercover mission; Seamus visits the vet; Amy and Gordon get a new net.
Dr. Jane Goodall visits the park; capuchin monkeys team up to battle a greedy lemur; baby Hebe is popular.
Jim and Alison rescue a monkey from a pet shop in Machester; Honey is allowed outside for the first time.
Jim and Alison rescue a chimp in Dubai; baby Seamus stays with Gordon the orangutan.
Charlie and Pacito move house; the four rescued baby chimps adjust to Monkey World.
Catching up with Charlie; a former circus chimp adjusts to Monkey World; Jim and Trudy rescue four chimps from a Dutch lab in Holland.
Jim and Alison discuss plans to expand Monkey World; baby Seamus visits with Sally; Rodney's group prepares for bed.
Jim and Alison Cronin receive bad news from Turkey; good news from the woolly Monkey House.
A surprise visit, a pregnancy and a serious illness cause chaos at the park.
Charlie broadcasts a radio message; vicar blesses the new house; baby Alice makes a new friend.
Sally baby-sits the nursery group; building a new house for Charlie; Mike gets an unusual houseguest.
Jim and Alison become the focus of a news story while trying to rescue chimps in Turkey; Mojo the nervous chimp meets his neighbors.
Noisy neighbors clash at Monkey World; Jim and Alison attempt to rescue baby chimps being traded in Istanbul.
Charlie meets the nursery group; Gordon makes his first public appearance; Jim and Alison fly to Turkey.
Jimmy reunites with his group; Charlie cannot return; Jim and Alison rush to Spain on a mercy mission.
Charlie is nursed back to health after an operation; Jimmy is terrorized; baby chimps get a survival lesson with a rubber snake.
Paddy becomes the new chimp leader; Banjee is rejected; Jimmy is suspected of an attack that results in four black eyes.
A baby lemur is found dead; chimp merger causes chaos; Rodney and Paddy face off in the outside enclosure.
Plans are made to merge the two chimp groups; Tina plays mother to rejected baby lemurs; Amy and Banjee may reproduce.
Mike looks after love-struck orangutans; a capuchin monkey arrives; a baby chimp falls ill.
The two main chimpanzee troops are identified; Mike is thrown by the behavioral differences between chimps and gorillas.