It is moving day for young male orangutan Hujan, who is on his way to join the nursery group, while Alison tries to help rescued marmoset Koba build up some much-needed strength.
Rescued marmoset Koba clings to life after arriving at the park in a stricken state, and the lemurs at Malagasy find themselves dealing with a quite tricky tree-top challenge.
Newly arrived squirrel monkey Kimbo has a heath check and also gets the snip, while orangutan youngster Kayan goes outside for the first time.
A challenging trip into the great outdoors awaits some of the lorises from the park, and two black-shanked douc monkeys have quite the adventure in store for them in Vietnam.
The park comes to the aid of two marmosets, leaving Alison shocked by the condition of the male, while Louisa reaches out the foot of friendship to male crush Matty the capuchin.
Alison attempts to rescue a squirrel monkey, who proves to be something of an escape artist, and the newly arrived orangutan youngster Kayan meets with Bulu Mata for the first time.
Alison visits Twycross Zoo to collect an orphaned orangutan in need of a new home, plus there is some startling news about a capuchin recently rescued from a life in the pet trade.
Woolly monkey Piquita requires an operation, new capuchin Louis gets a lovely perch, while the chimp team find themselves trying to navigate a double blow after two sad losses.
The primate care staff move more than thirty capuchins in a day, the chimps react to a fallen tree and the guenons finally get to try out their revamped home.
Vet Nic Masters uses high tech diagnostic equipment to examine health issues in some of the park's smaller primates, including capuchin Louis and patas monkey Penelope.
There's big news for one of the chimp groups, and rescued marmoset Jangles summons up the courage to join her new mate Reggie in the outside enclosure.
Capuchin Matty needs a visit from the vet after fighting leader Erico for the top spot, and the birth of a baby woolly monkey is captured on camera.
As Alison collects a female marmoset whose owner has died, the squirrel monkeys try a new puzzle and Xingu's baby ventures outside for the first time.
Alison and the team welcome a new female loris to the park, and there's another tiny new addition at the woolly monkey house.
Alison takes action to protect the park after learning that COVID-19 can also affect apes. Chimp Gypsy's condition worsens and a little woolly bonds with his dad.
A video of a sick male marmoset results in an urgent rescue mission. It may be too late to save the male, but there's hope yet for a female at the same address.
Woolly monkey Oriana's health check causes concern, the chimps have a bust-up and the guenon family try out a new tree in their enclosure.
A huge storm pummels the park leaving a trail of destruction in its wake, and there's friction at Stumpie House as Toto and Freddie fight for the top spot.
Top male Paulo protests a woolly weigh in, the siamang gibbons have a new experience and the capuchins use some clever tricks to track down some tasty treats.
A health check for newly rescued tamarin Red raises alarm, newcomer capuchin Matty squares up to dominant male Erico and the chimps get a tasty treat.