A baby marmoset is looking for a new mum and dad. Bachelor chimp Paco is in the wars with an injured toe and a heart scare. Plus the nursery orangs box clever at play time.

Woolly monkey Piquita may be expecting a new arrival, while Marmosets Hazel and Solomon meet a new arrival themselves. The park receives five unusual nocturnal guests.

Orang-utan Lucky is moving home while young woolly monkey Lucas is causing concern. Little chimp Thelma is up to her usual tricks.

There's a woolly bundle of joy for Pacaja, but is it a son or a daughter? The slow loris demonstrate just how they got their name when the team try to weigh them.

Jeremy heads to Belgium to collect two new stumpies. The team get ready to say farewell to two much-loved gibbons, and young chimp Thelma gets the brush off.

There's concern for elderly saki monkey Jethro, who needs surgery on his tail. Hot potatoes are served up with soup as the chimps get a winter warmer to start the day.

Two golden-cheeked gibbons head off for a new life in France. Two stumpie arrivals from Belgium meet some of their new housemates.

Golden-cheeked gibbons Mikado and Tia Nang arrive in France to start a new life together. Pumpkin the spider monkey finds grabbing a fruity treat is just plum easy.

Flirty capuchin Phoenix convinces dominant male Erico she only has eyes for him, but it's his watermelon she's really after.

There's sadness as chimp Paddy, one of the park's most iconic characters, passes away but also happy memories of a much-loved primate.

The bachelor boy golden-cheeked gibbons try out their new home for the first time. Young orang Awan makes a new friend and Tuan shows he's a gentle giant.

There's a new baby woolly monkey, but it looks like the team will have to be mum. It's moving day for the slow loris and ring-tailed lemur Al gets to meet some the gang.

Can new mum Ayla be persuaded to accept her newborn baby? Chimp Jestah gets a health check and golden-cheeked gibbons Peanut and Pung Yo enjoy a seasonal treat.

Alison and wildlife vet John Lewis visit the park's sister sanctuary in Vietnam, and there's a possible new home for golden-cheeked gibbons Nha and Cu Chi.

A wild gibbon is on the attack as Alison and the team carry out health checks at a Vietnamese national park, and Marina tracks a wild loris through the forest.

It's another small primate rescue for Alison. This time Frank - a Geoffroy's marmoset. There's an epic fail for Bruce the slow loris as female Bu rejects him.

Alison and Jarno are in Moscow to collect a baby orangutan. Marmoset Frank meets Douglas, his new housemate.

Baby orang-utan Mimi, from Moscow zoo, arrives in the UK to start a new life with others of her own kind.

Last in series. New arrival Mimi gets to meet her first grown up and chimp Buxom demonstrates raspberries can be part of a perfectly balanced diet.