Alison’s on an emergency mission to the Midlands to collect Geoffroys marmoset, Gizmo, who had been separated from his sibling and now lives with a family who are concerned for his welfare. But he’s not the only new arrival as the primate care team get a big surprise at breakfast, Marge Simpson has given birth to twins. While the chimp team, with the help of the maintenance crew, install a new addition into the bachelor outside enclosure and chimp Seamus bags a bounty of fruit. And at Erico’s capuchin house the newly formed sub group enjoy an evening buffet supper.