A flu epidemic has broken out at Nyaru Menteng. The prescription? Quarantined rest, lots of fluids, and...onion juice? Meanwhile on Palas Island, two female orangutans have broken through an electric fence. Back in class, coconut husking and tree climbing are on the curriculum, the latter with the help of some enticing fruit kebabs. Later, Beni is dismayed to discover he's back on a health kick, but his ability to dodge his diet shows his resourcefulness--a trait that will serve him well in the wild.