Welcoming baby orangutan Topan, an orphan in need of a surrogate mom; 16-year-old Kasper preps for graduation.

Observing blossoming friendships and interspecies bonds in nursery school; peeking inside a bromance among junior-school buds Valentino, Yutris and Madara; distractible Beni leans into his love of food and gets a beating from a more-senior pupil.

Experiencing a roller coaster of emotions and growing pains as the sanctuary's orangutans move through six grades toward their release into the wild; Dilla's fate suddenly changes, and big boy Beni goes on an unwelcome diet.