Alison and Jeremy undertake one of the park’s biggest primate rescues in recent years, from a zoo in Mid Wales who have been forced to rehome some of their animals. While back at the park, marmoset Gizmo gets to experience the outside for the first time with his new housemate, Soloman. And greedy golden-cheeked gibbon Kim is stumped by a sock while siamang gibbons, Sam and Sasak show off their impressive duet.