Episode 6: GROWING PAINS
Project Manager Lone Droscher Nielsen embarks on her first trip back to the island since the tragic death of Oyoy. It's time to give the orangs their six-month health checkups, but as the rambunctious orphans line up for their physicals, the needy Cha Cha is nowhere to be found. Normally, she would have been the first to greet Lone. And another young female's devastating past comes back to haunt her when Lone finds Bonita alone and crying after a run-in with one of the bullying Bandit Boys. Meanwhile, dominant males Hamlet and Chen Chen face off over a boatload of forbidden fruit.

Will hunger win out over their pride? Can Bonita find the comfort she desperately needs? And where is Cha Cha? Is she finally becoming truly independent or will she share the fate of her close friend Oyoy?

Episode 7: ORANGUTAN 911
The rains have returned and mosquitoes are everywhere. Best friends Donald and Chen Chen are as close as ever, but when Donald refuses to play and is obviously lethargic, Chen Chen leaves him alone. As Donald's condition worsens, the Teknisi realize he is ill and rush him off the island back to the clinic where he is treated for malaria. However, when the initial test results come back, the staff discovers that a mysterious illness has taken hold of Donald.

The clinic is now in a race to find out whether this sickness is contagious. Does Donald have any chance of recovering? Unaware of his best buddy's illness, Chen Chen sets off to find a new playmate. Using a mixed bag of tricks, he tries and eventually succeeds in piquing the interest of the intelligent female Yeyen.

Meanwhile, as the clinic works hard to determine what Donald is suffering from, the Teknisi monitor the island, on guard for any signs of this mysterious disease spreading. Will anyone else become ill? If so, will this be the end of Orangutan Island?

Episode 8: EATEN ALIVE
An invisible menace is threatening Orangutan Island, and at the Nyaru Menteng Clinic veterinarians work around the clock to unravel the mystery behind Donald, Togar, Mercury and Bonita's illness. Back on the island, fears of an epidemic worsen when Bertha is found to have an abscess. Could it be another symptom of the disease? Mischievous Saturnus is fascinated as veterinarians treat Bertha, and follows her into the trees. What is he up to? In the soaring temperatures and suffocating humidity, Jupiter, a young female with a tragic past, takes to the water and what she finds there leads to a never before seen behavior could Forest School Class 103 have discovered an entirely new food source? There is a breakthrough on the mysterious illness, but questions still remain over the four sick youngsters. Will they ever be able to return to Orangutan Island?