TV The Secret Life of Primates - Season 1 Episode 3 : Orangutans The Secret Life of Primates - Season 1 Episode 3 : Orangutans /10 by 0 users Primatologist Charlotte Uhlenbroek travels to Borneo to encounter the native orang-utans who are fighting for survival. She visits a project in Sabah that hopes to release three orphaned animals back into the wild, heads into the rainforest to search for the missing female of the group, and takes a trip up the Kinabatangan River in pursuit of an adult male. Details Casts Posters Images Title The Secret Life of Primates - Season 1 Episode 3 : Orangutans Alternative Titles First Air Date 2009-10-26 Last Air Date 2009-10-26 Number of Episodes 4 Number of Seasons 1 Genres , Networks , Casts Plot Keywords , Episodes List The Secret Life of Primates Season 1 :Episode 1 Chimps Chimps 2009-10-26 The Secret Life of Primates Season 1 :Episode 2 Baboons Baboons 1970-01-01 The Secret Life of Primates Season 1 :Episode 3 Orangutans Orangutans 1970-01-01 The Secret Life of Primates Season 1 :Episode 4 Gorillas Gorillas 1970-01-01