a co-production of Natural History New Zealand, NHK (Japan Broadcasting Corporation), Discovery Channel, & NDR Naturfilm Studio Hamburg & Fernseh Allianz ; directors, Jeremy Hogarth, Stephen Downes
producer/director, Sam Linton ; produced in association with the Canadian Production Fund ; produced by Exploration Production Inc. in association with Discovery Channel
a Hugo van Lawick production, in association with The Discovery Channel. Chimpanzees: return to the forest / Nature Awareness Films, in association with Evangelische Omroep
director, Gillian Darling Kovanic ; narration written by Amanda McConnell and Bruce Martin ; produced by Tamarin Productions Inc. in association with the Discovery Channel, USA ... [and others]