A member of staff acts as a surrogate parent for Mikado, an orphaned golden-cheeked gibbon that has been brought to the centre from France. The chimpanzees play with laundry at the nursery, while recently arrived squirrel monkey Fidget makes an impression on the residents.

Tensions are high as Sammy the chimp, one of the park's oldest and most popular residents, goes into surgery. The stump-tailed macaque house gets a makeover to accommodate its elderly monkeys and the capuchins go cherry-picking.