| 1x01 | Mar. 03, 1974 | Making of a Natural History Film (The) | | 1x02 | Mar. 10, 1974 | Where Did the Colorado Go? | | 1x03 | Mar. 17, 1974 | Whales, Dolphins, and Men | | 1x04 | Mar. 24, 1974 | Search for Life (The) | | 1x05 | Mar. 31, 1974 | Last of the Cuiva | | 1x06 | Apr. 07, 1974 | Strange Sleep | | 1x07 | Apr. 14, 1974 | Crab Nebula (The) | | 1x08 | Apr. 21, 1974 | Bird Brain: The Mystery of Bird Navigation | | 1x09 | Apr. 28, 1974 | Are You Doing This for Me, Doctor? | | 1x10 | May. 05, 1974 | First Signs of Washoe (The) | | 1x11 | May. 12, 1974 | Case of the Midwife Toad (The) | | 1x12 | May. 19, 1974 | Fusion: The Energy of Promise | | 1x13 | May. 26, 1974 | Mystery of the Anasazi (The) |
| 2x01 | Nov. 03, 1974 | Why Do Birds Sing? | | 2x02 | Nov. 10, 1974 | How Much Do You Smell? | | 2x03 | Nov. 17, 1974 | Hunting of the Quark (The) | | 2x04 | Nov. 24, 1974 | Secrets of Sleep (The) | | 2x05 | Dec. 01, 1974 | Inside the Golden Gate | | 2x06 | Dec. 08, 1974 | Men Who Painted Caves (The) | | 2x07 | Dec. 15, 1974 | Red Sea Coral | | 2x08 | Jan. 05, 1975 | War From the Air | | 2x09 | Jan. 12, 1975 | What Time is Your Body? | | 2x10 | Jan. 19, 1975 | Rise and Fall of DDT (The) | | 2x11 | Feb. 02, 1975 | Take the World From Another Point of View | | 2x12 | Feb. 09, 1975 | Lysenko Affair (The) | | 2x13 | Feb. 16, 1975 | Tuaregs (The) | | 2x14 | Mar. 09, 1975 | Plutonium Connection (The) | | 2x15 | Mar. 16, 1975 | Other Way (The) | | 2x16 | Mar. 30, 1975 | Lost World of the Maya (The) | | 2x17 | Apr. 06, 1975 | Will The Fishing Have to Stop? |
| 3x01 | Jan. 04, 1976 | Predictable Disaster | | 3x02 | Jan. 11, 1976 | Joey | | 3x03 | Jan. 18, 1976 | Meditation and the Mind | | 3x04 | Jan. 25, 1976 | Planets (The) | | 3x05 | Feb. 01, 1976 | Desert Place (A) | | 3x06 | Feb. 08, 1976 | Small Imperfection (A) | | 3x07 | Feb. 15, 1976 | Ninety Degrees Below | | 3x08 | Mar. 07, 1976 | Race for the Double Helix (The) | | 3x09 | Mar. 07, 1976 | Renewable Tree (The) | | 3x10 | Mar. 14, 1976 | The Williamsburgh File | | 3x11 | Mar. 21, 1976 | Overworked Miracle (The) | | 3x12 | Apr. 11, 1976 | Transplant Experiment (The) | | 3x13 | Apr. 18, 1976 | Underground Movement (The) | | 3x14 | May. 02, 1976 | Hunters of the Seal | | 3x15 | May. 09, 1976 | Benjamin | | 3x16 | May. 23, 1976 | Women Rebel (The) | | 3x17 | Jun. 06, 1976 | Death of a Disease | | 3x18 | Jun. 13, 1976 | Inside the Shark | | 3x19 | Jun. 20, 1976 | Genetic Chance (The) | | 3x20 | Jun. 27, 1976 | Case of the Bermuda Triangle (The) |
| 4x01 | Jan. 05, 1977 | Hitler's Secret Weapon | | 4x02 | Jan. 12, 1977 | Hot Blooded Dinosaurs (The) | | 4x03 | Jan. 19, 1977 | What Price Coal? | | 4x04 | Feb. 02, 1977 | Sunspot Mystery (The) | | 4x05 | Feb. 09, 1977 | Plastic Prison (The) | | 4x06 | Feb. 23, 1977 | Incident at Brown's Ferry | | 4x07 | Mar. 02, 1977 | Bye Bye Blackbird | | 4x08 | Mar. 09, 1977 | Pill for the People (The) | | 4x09 | Mar. 16, 1977 | Gene Engineers (The) | | 4x10 | Mar. 23, 1977 | Human Animal (The) | | 4x11 | Mar. 30, 1977 | Wolf Equation (The) | | 4x12 | Apr. 20, 1977 | Dawn of the Solar Age (The) | | 4x13 | Apr. 20, 1977 | Business of Extinction (The) | | 4x14 | Apr. 27, 1977 | Red Planet (The) | | 4x15 | May. 11, 1977 | Tongues of Men, Part 1 | | 4x16 | May. 18, 1977 | Tongues of Man, Part 2 | | 4x17 | Jun. 01, 1977 | Linus Pauling: Crusading Scientist | | 4x18 | Jun. 22, 1977 | Across the Silent Barrier | | 4x19 | Jun. 29, 1977 | New Healers (The) | | 4x20 | Jan. 11, 1978 | Green Machine (The) |
| 5x01 | Jan. 04, 1978 | In The Event of Catastrophe | | 5x02 | Jan. 18, 1978 | Blueprints in the Bloodstream | | 5x03 | Jan. 25, 1978 | One Small Step | | 5x04 | Feb. 01, 1978 | Final Frontier (The) | | 5x05 | Feb. 15, 1978 | BaMiki BaNdula: Children of the Forest | | 5x06 | Feb. 22, 1978 | Trial of Denton Cooley | | 5x07 | Mar. 01, 1978 | Great Wine Revolution (The) | | 5x08 | Mar. 08, 1978 | Case Of The Ancient Astronauts (The) | | 5x09 | Mar. 22, 1978 | Mind Machines (The) | | 5x10 | Mar. 29, 1978 | Icarus' Children | | 5x11 | Apr. 12, 1978 | Still Waters | | 5x12 | Apr. 19, 1978 | Battle for the Acropolis | | 5x13 | May. 03, 1978 | Road To Happiness | | 5x14 | May. 10, 1978 | Light of the 21st Century | | 5x15 | May. 24, 1978 | Insect Alternative (The) | | 5x16 | May. 31, 1978 | Desert's Edge (The) | | 5x17 | Jun. 07, 1978 | Tse Tse Trap (The) | | 5x18 | Jun. 14, 1978 | Memories From Eden | | 5x19 | Jun. 21, 1978 | Whisper From Space (A) | | 5x20 | Jun. 23, 1978 | Alaska: The Closing Frontier |
| 6x01 | Jan. 05, 1979 | Black Tide | | 6x02 | Jan. 11, 1979 | Long Walk Of Fred Young | | 6x03 | Jan. 18, 1979 | World of Difference (A) | | 6x04 | Feb. 01, 1979 | Cashing In On The Ocean | | 6x05 | Feb. 08, 1979 | Patterns From The Past | | 6x06 | Feb. 22, 1979 | Invisible Flame (The) | | 6x07 | Mar. 01, 1979 | End Of The Rainbow (The) | | 6x08 | Mar. 08, 1979 | Beersheva Experiment (The) | | 6x09 | Mar. 15, 1979 | Einstein | | 6x10 | Mar. 29, 1979 | Keys Of Paradise (The) |
| 7x01 | Oct. 02, 1979 | Plague on our Children (A) | | 7x02 | Oct. 09, 1979 | Life On A Silken Thread | | 7x03 | Oct. 16, 1979 | Sweet Solutions | | 7x04 | Oct. 30, 1979 | Race For The Gold | | 7x05 | Nov. 06, 1979 | All Part of The Game | | 7x06 | Nov. 20, 1979 | India: Machinery of Hope | | 7x07 | Dec. 04, 1979 | Bridge That Spanned The World (The) | | 7x08 | Dec. 11, 1979 | Termites to Telescopes | | 7x09 | Dec. 18, 1979 | Blindness: Five Points of Views | | 7x10 | Jan. 15, 1980 | Elusive Illness (The) | | 7x11 | Jan. 22, 1980 | A is for Atom, B is for Bomb | | 7x12 | Feb. 05, 1980 | Living Machines | | 7x13 | Feb. 19, 1980 | Portrait of a Killer | | 7x14 | Mar. 04, 1980 | Umealit: The Whale Hunters | | 7x15 | Mar. 11, 1980 | Safety Factor (The) | | 7x16 | Mar. 18, 1980 | Mediterranean Prospect (A) | | 7x17 | Mar. 25, 1980 | Mr. Ludwig's Tropical Dreamland |
| 8x01 | Sep. 30, 1980 | Pinks and the Blues (The) | | 8x02 | Oct. 07, 1980 | Cancer Detectives Of Lin Xian (The) | | 8x03 | Oct. 14, 1980 | Sea Behind The Dunes (The) | | 8x04 | Oct. 28, 1980 | Do We Really Need The Rockies? | | 8x05 | Nov. 04, 1980 | Big IF (The) | | 8x06 | Nov. 11, 1980 | Voyager: Jupiter & Beyond | | 8x07 | Nov. 18, 1980 | Wizard Who Spat On The Floor (The) | | 8x08 | Nov. 25, 1980 | Water Crisis (The) | | 8x09 | Dec. 02, 1980 | Moving Still | | 8x10 | Dec. 09, 1980 | Touch of Sensitivity (A) | | 8x11 | Dec. 23, 1980 | Red Deer of Rhum (The) | | 8x12 | Dec. 30, 1980 | It's About Time | | 8x13 | Jan. 06, 1981 | Doctors of Nigeria (The) | | 8x14 | Jan. 20, 1981 | Message In The Rocks | | 8x15 | Jan. 27, 1981 | Dead Sea Lives (The) | | 8x16 | Feb. 10, 1981 | Anatomy of a Volcano | | 8x17 | Feb. 17, 1981 | Science Of Murder (The) | | 8x18 | Feb. 24, 1981 | Malady of Health Care (The) | | 8x19 | Mar. 03, 1981 | Beyond The Milky Way | | 8x20 | Mar. 10, 1981 | Asteroid and the Dinosaur (The) | | 8x21 | Mar. 17, 1981 | Animal Olympians | | 8x22 | Aug. 25, 1981 | Resolution on Saturn |
| 9x01 | Sep. 27, 1981 | Computers, Spies and Private Lives | | 9x02 | Oct. 04, 1981 | Why America Burns | | 9x03 | Oct. 11, 1981 | The Great Violin Mystery | | 9x04 | Oct. 18, 1981 | Cosmic Fire | | 9x05 | Oct. 25, 1981 | Locusts: War Without End | | 9x06 | Nov. 01, 1981 | Did Darwin Get It Wrong? | | 9x07 | Nov. 15, 1981 | Artists in the Lab | | 9x08 | Nov. 22, 1981 | Notes of a Biology Watcher: A Film with Lewis Thomas | | 9x09 | Nov. 29, 1981 | City Spaces, Human Places | | 9x10 | Dec. 06, 1981 | Twins | | 9x11 | Jan. 10, 1982 | Salmon on the Run | | 9x12 | Jan. 17, 1982 | Test-Tube Babies: A Daughter For Judy | | 9x13 | Jan. 24, 1982 | A Field Guide to Roger Tory Peterson | | 9x14 | Jan. 31, 1982 | The Hunt for the Legion Killer | | 9x15 | Feb. 07, 1982 | Finding a Voice | | 9x16 | Feb. 14, 1982 | The Television Explosion | | 9x17 | Feb. 28, 1982 | Life: Patent Pending | | 9x18 | Mar. 07, 1982 | Palace of Delights | | 9x19 | Mar. 14, 1982 | Animal Impostors | | 9x20 | Mar. 28, 1982 | Aging: The Methuselah Syndrome |
| 10x01 | Oct. 12, 1982 | The Case of the UFOs | | 10x02 | Oct. 19, 1982 | The Fragile Mountain | | 10x03 | Nov. 09, 1982 | Here's Looking At You Kid | | 10x04 | Nov. 16, 1982 | Adventures of Teenage Scientists | | 10x05 | Nov. 23, 1982 | The Cobalt Blues | | 10x06 | Nov. 30, 1982 | Goodbye Louisiana | | 10x07 | Dec. 07, 1982 | Whale Watch | | 10x08 | Dec. 14, 1982 | Tracking The Supertrains | | 10x09 | Jan. 18, 1983 | Hawaii: Crucible of Life | | 10x10 | Jan. 25, 1983 | The Pleasure of Finding Things Out | | 10x11 | Feb. 08, 1983 | Lassa Fever | | 10x12 | Feb. 15, 1983 | The Miracle of Life | | 10x13 | Mar. 01, 1983 | Asbestos: A Lethal Legacy | | 10x14 | Mar. 08, 1983 | City of Coral | | 10x15 | Mar. 22, 1983 | Fat Chance in a Thin World | | 10x16 | Mar. 29, 1983 | Sixty Minutes to Meltdown |
| 11x01 | Oct. 11, 1983 | Signs of the Apes, Songs of the Whales | | 11x02 | Oct. 18, 1983 | The Artificial Heart | | 11x03 | Oct. 25, 1983 | Talking Turtle | | 11x04 | Nov. 01, 1983 | Papua New Guinea: Anthropology on Trial | | 11x05 | Nov. 08, 1983 | To Live Until You Die: The Work of Elizabeth Kubler-Ross | | 11x06 | Nov. 15, 1983 | A Magic Way of Going: The Story of Thoroughbreds | | 11x07 | Nov. 22, 1983 | A Normal Face: The Wonders of Plastic Surgery | | 11x08 | Nov. 29, 1983 | Captives of Care | | 11x09 | Dec. 06, 1983 | Twenty-Five Years in Space | | 11x10 | Dec. 13, 1983 | Nuclear Strategy for Beginners | | 11x12 | Dec. 27, 1983 | Eyes Over China | | 11x13 | Jan. 10, 1984 | Alcoholism: Life Under The Influence | | 11x14 | Jan. 17, 1984 | The Case of ESP | | 11x15 | Jan. 31, 1984 | Antarctica: Earth's Last Frontier | | 11x16 | Feb. 14, 1984 | China's Only Child | | 11x17 | Feb. 28, 1984 | Will I Walk Again? | | 11x18 | Mar. 06, 1984 | Visions of the Deep: The Underwater World of Al Giddings | | 11x19 | Mar. 20, 1984 | Down on the Farm | | 11x20 | Mar. 27, 1984 | Make My People Live: The Crisis in Indian Health Care | | 11x21 | Apr. 03, 1984 | The World According to Weisskopf |
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