Marmoset Max enjoys peace and harmony, while Baby orang-utan Silvestre makes his mark with nursery boss A-mei. Plus, woolly monkey Bueno Jnr is four weeks old and going strong.

The park bids a sad farewell to woolly monkeys Julio and Diego, but staff are unsure whether they will fall for their new suitors. Plus, the marmosets move into their new residence.

A bust-up at the lemur enclosure ends in serious injuries for Kaiyah. Siamangs Sam and Sasak are back singing in harmony, but marmosets Rattler and Tya's future is uncertain.

Alison provides round-the-clock care for a baby monkey that has survived its first day. Plus, the staff help woolly Diego celebrate his birthday.

Woolly monkey Sara undergoes an emergency Caesarean section. Golden-cheeked gibbon Teo takes his first wobbly steps twenty metres high and Winslow's capuchins go on a treasure hunt.

There is a noisy welcome for spider monkeys Hickory, Flint and Pumpkin, and love is in the air for the flirtatious capuchins. Plus, big girl Oshine shares a giant ice lolly.

A Siamang gibbon is in danger of losing his mate when she is struck by a mysterious illness, and a squirrel monkey is pushed out by a new arrival.

Orang-utan Gordon has grown into an attractive mature male but the ladies are struggling to see his inner beauty. Over at the woollies, the new leader is strutting his stuff.

Orang-utan Hsiao-Ning settles into her new home at Rostock Zoo, but she is a bit too feisty for her suitor Sabas. Plus, the boisterous Bachelor chimps have a playroom party.

The keepers say a sad goodbye as orang-utan Hsiao-Ning moves to Rostock Zoo in Germany, and Amy's capuchins take up residence in the Lodge.

Marmoset James, who only arrived recently, ends up fighting for his life in the park's hospital, and a decision must be made when orang-utan Hsiao-Ning comes of age in the nursery.

A new marmoset named James joins the monkey rescue centre in Dorset and is introduced to Max. Orang-utan Hsiao-Ning loses a tooth, woolly monkey Bueno's health takes a turn for the worse, and chimpanzee Tutti has an operation.

The park-keepers check up on pygmy lorises Son, Sylvia and Talai to find out how they are coping in the wild in Vietnam. Alison meets baby Lala for the first time.

The team heads to Vietnam to release rare pygmy lorises into the wild, and golden-cheeked gibbon Da returns to the forest.

Jeremy's patience is tested by Bryan the chimp's emotional outbursts, and capuchin Marlow catches a trespasser. Marmoset James hopes to be rescued from a pet shop full of predators.

The police are called when neglected marmosets are discovered in poor conditions, and capuchin leader Gorilon is checked over after a fight to see if he needs surgery.

Squirrel monkey Charlie is introduced to his new family and woolly monkey Enzo meets his `baby sister'. Meanwhile, the marmosets have a surprise in store.

Orang-utan Kai struggles to cope without his mother, and Alison responds to an urgent call from the RSPCA. Plus, a fight breaks out in an enclosure.

Jethro battles with thieving squirrel monkeys and orang-utan Hsiao-Quai takes her adopted daughter outside for the first time. Plus, staff suspect a woolly monkey could be pregnant.

The Monkey World Ape Rescue Centre in Dorset welcomes its first saki monkey and the park's vets struggle to fathom what is bothering ring-tailed lemur Houdini.