| 8 | "Eaten Alive" | January 11, 2008 (2008-01-11) |
| 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. | ||