Season 19673 Dec 1967 – 31 Dec 1967 · 4 episodes1Volcano3 Dec 1967290' South10 Dec 19673Forest and Firebird17 Dec 19674Alaska31 Dec 1967
Season 19687 Jan 1968 – 22 Dec 1968 · 47 episodes1Jivaro: A Sinister Society7 Jan 19682The Wild Places14 Jan 19683People Out of Time21 Jan 19684Isles of Wonder28 Jan 19685Beyond the Last Oasis4 Feb 19686Americans on Everest11 Feb 19687A Norwegian Year18 Feb 19688Yankee Sails Across Europe25 Feb 19689Discovering Galapagos3 Mar 196810One More Shift to Push10 Mar 196811The Hidden World17 Mar 196812The Other Russias24 Mar 196813Grizzly!31 Mar 196814The Distant Warriors of New Guinea7 Apr 196815Easter on Athos14 Apr 196816The World of Jacques-Yves Cousteau21 Apr 196817Wild Jamaica: Part 1: Trapdoors, Tyrants, and Tadpoles28 Apr 196818Wild Jamaica: Part 2: Cays, Crabs, and Cucumbers5 May 196819The Forgotten Peninsula12 May 196820The Garden of the Gods19 May 196821Miss Goodall and the Wild Chimpanzees26 May 196822Letter from Thimphu2 Jun 196823Three Men on the Exe9 Jun 196824The Living Sea23 Jun 196825The Blue-Veiled Man30 Jun 196826Savage Paradise7 Jul 196827The Freedom of the Hills14 Jul 196828The Naked Sea21 Jul 196829A Terrible Place28 Jul 196830River Nile4 Aug 196831Seabird Summer11 Aug 196832The Golden Isthmus18 Aug 196833The Lonely Dorymen25 Aug 196834Darwin1 Sep 196835Walk Into the Parlour8 Sep 196836The Empty Quarter15 Sep 196837Magic in the Hills22 Sep 196838Beauty and the Beasts29 Sep 196839Big D Ranch: 1: Hunting for Giants6 Oct 196840Big D Ranch: 2: Vampires, Piranhas and Giant Ant-bears13 Oct 196841The Last Great Journey on Earth: From Amazon to Orinoco by Hovercraft20 Oct 196842The Secret Bowers27 Oct 196843Dream of Two Cities10 Nov 196844The Two Faces of China17 Nov 196845Signals for Survival8 Dec 196846Forest Symphony15 Dec 196847Down to the Sea in Ships22 Dec 1968
Season 19695 Jan 1969 – 21 Dec 1969 · 23 episodes1Avalanche5 Jan 19692Fabulous Storks12 Jan 19693River of Death19 Jan 19694Islands in the Clouds2 Feb 19695The Rare Ones9 Feb 19696The Golden State29 Jun 19697The Dogon6 Jul 19698Written in the Water3 Aug 19699International Balloon Race17 Aug 196910Voyage to the Sea of Ice24 Aug 196911Ghosts at the End of the World31 Aug 196912Annanacks7 Sep 196913The Perfect Traveller: Alexander von Humboldt in Mexico14 Sep 196914The Noble Savage28 Sep 196915Left-Over Raj12 Oct 196916A Home for the Wanderer19 Oct 196917Mzima: Portrait of a Spring2 Nov 196918Amazon9 Nov 196919Flyway16 Nov 196920The Silk Spinners23 Nov 196921Heirs of the Head-Hunters7 Dec 196922The Green Island14 Dec 196923The Last of the Lapps21 Dec 1969
Season 19704 Jan 1970 – 20 Dec 1970 · 32 episodes1The Incredible Hummingbirds4 Jan 19702Train to Calcutta11 Jan 19703A Dream of Old Iceland18 Jan 19704Majorca Observed15 Feb 19705In Search of Paradise22 Feb 19706Gozo: the Barren Enchantress8 Mar 19707The Unsuspected Isles15 Mar 19708The Great Unknown12 Apr 19709The Golden Isthmus26 Apr 197010The Way of a River3 May 197011Trans-African Hovercraft: Part 1: Ten Days to Bamako12 Jul 197012Trans-African Hovercraft: Part 2: Beyond Timbuctoo19 Jul 197013Trans-African Hovercraft: Part 3: Land of Tchad26 Jul 197014The Conquest of Annapurna2 Aug 197015The Stone Age Circus9 Aug 197016American Samoa - Paradise Lost?16 Aug 197017A Park in Peru...23 Aug 197018The Journals of Lewis and Clark6 Sep 197019The Lost River of Gaping Gill13 Sep 197020The Sherpas of Everest20 Sep 197021Where Two Worlds Meet27 Sep 197022Baobab11 Oct 197023A Bite of the Sea18 Oct 197024Close to Heaven and Earth25 Oct 197025Kingdom of Coral1 Nov 197026The Fury of Orinoco8 Nov 197027Roof of Japan15 Nov 197028Save Our Suffolk22 Nov 197029Rockets are for Peace29 Nov 197030Sahara6 Dec 197031Three Men in a Balloon13 Dec 197032The Living Forest20 Dec 1970
Season 19713 Jan 1971 – 12 Dec 1971 · 36 episodes1An Expedition into the Stone Age3 Jan 19712The World of Heinz Sielmann10 Jan 19713The Lollipop Tree24 Jan 19714Animals in Action31 Jan 19715Mzima - Portrait of an African Oasis7 Feb 19716No Welcome on the Map14 Feb 19717The Water Web21 Feb 19718The Uninhibited Islands7 Mar 19719Operation Seashore21 Mar 197110There are Monkeys at the Bottom of the Garden4 Apr 197111The Road to Mandalay25 Apr 197112Thor Heyerdahl's Ra Expeditions: 1: Pyramids and Papyrus1 May 197113Thor Heyerdahl's Ra Expeditions: 2: By Papyrus Boat across the Atlantic2 May 197114The Man Who Loves Giants9 May 197115Siberia: The Endless Horizon16 May 197116Coral Calypso23 May 197117Operation Musk Ox13 Jun 197118Chimpanzee!20 Jun 197119The Conquered Dream27 Jun 197120The Journals of Lewis and Clark11 Jul 197121The Last Frontier18 Jul 197122Countdown for the Everglades25 Jul 197123Ganga Mayya (Mother Ganges)1 Aug 197124Saga8 Aug 197125Kingdom of Coral22 Aug 197126A Cold Wind on the Heath5 Sep 197127Penguin City12 Sep 197128Ways of the Middle Kingdom19 Sep 197129Song of the Sirens26 Sep 197130Enchanted Lagoon17 Oct 197131Kifaru24 Oct 197132Under London Expedition7 Nov 197133The Living Sea14 Nov 197134The Forbidden Route21 Nov 197135The Great Mojave Desert5 Dec 197136Behind the Veil12 Dec 1971