NOVA - Trackashow

Season 0 Episodes

1 - To The Moon (Tue, Jul 13, 1999)
2 - Eclipse Over America (Sun, Aug 20, 2017)
3 - Blood Sugar Rising (Wed, Apr 15, 2020)
4 - Gene-Editing Reality Check (Fri, Sep 4, 2020)
5 - Search Engine Breakdown (Wed, Apr 14, 2021)
6 - Predicting My MS (Wed, Feb 23, 2022)
7 - Sea Change: Bounty in the Gulf of Maine (Wed, Jul 24, 2024)
8 - Sea Change: Peril in the Gulf of Maine (Wed, Jul 31, 2024)
9 - Sea Change: Survival in the Gulf of Maine (Wed, Aug 7, 2024)
10 - When Machines Prescribe (Wed, Apr 30, 2025)
11 - Beyond the Elements: Reactions (Wed, Feb 3, 2021)
12 - Beyond the Elements (Wed, Feb 10, 2021)
13 - Beyond the Elements (Wed, Feb 17, 2021)

Season 1 Episodes

1 - The Making Of A Natural History Film (Sun, Mar 3, 1974)
2 - Where Did the Colorado Go? (Sun, Mar 10, 1974)
3 - Whales, Dolphins, and Men (Sun, Mar 17, 1974)
4 - The Search For Life (Sun, Mar 24, 1974)
5 - Last of the Cuiva (Sun, Mar 31, 1974)
6 - Strange Sleep (Sun, Apr 7, 1974)
7 - The Crab Nebula (Sun, Apr 14, 1974)
8 - Bird Brain: The Mystery of Bird Navigation (Sun, Apr 21, 1974)
9 - Are You Doing This for Me, Doctor? (Sun, Apr 28, 1974)
10 - The First Signs Of Washoe (Sun, May 5, 1974)
11 - The Case of the Midwife Toad (Sun, May 12, 1974)
12 - Fusion: The Energy of Promise (Sun, May 19, 1974)
13 - The Mystery Of The Anasazi (Sun, May 26, 1974)

Season 2 Episodes

1 - Why Do Birds Sing? (Sun, Nov 3, 1974)
2 - How Much Do You Smell? (Sun, Nov 10, 1974)
3 - The Hunting Of The Quark (Sun, Nov 17, 1974)
4 - The Secrets Of Sleep (Sun, Nov 24, 1974)
5 - Inside the Golden Gate (Sun, Dec 1, 1974)
6 - The Men Who Painted Caves (Sun, Dec 8, 1974)
7 - Red Sea Coral (Sun, Dec 15, 1974)
8 - War From the Air (Sun, Jan 5, 1975)
9 - What Time is Your Body? (Sun, Jan 12, 1975)
10 - The Rise And Fall Of DDT (Sun, Jan 19, 1975)
11 - Take the World From Another Point of View (Sun, Feb 2, 1975)
12 - The Lysenko Affair (Sun, Feb 9, 1975)
13 - The Tuaregs (Sun, Feb 16, 1975)
14 - The Plutonium Connection (Sun, Mar 9, 1975)
15 - The Other Way (Sun, Mar 16, 1975)
16 - The Lost World Of The Maya (Sun, Mar 30, 1975)
17 - Will The Fishing Have to Stop? (Sun, Apr 6, 1975)

Season 3 Episodes

1 - Predictable Disaster (Sun, Jan 4, 1976)
2 - Joey (Sun, Jan 11, 1976)
3 - Meditation and the Mind (Sun, Jan 18, 1976)
4 - The Planets (Sun, Jan 25, 1976)
5 - A Desert Place (Sun, Feb 1, 1976)
6 - A Small Imperfection (Sun, Feb 8, 1976)
7 - Ninety Degrees Below (Sun, Feb 15, 1976)
8 - The Race for the Double Helix (Sun, Mar 7, 1976)
9 - The Renewable Tree (Sun, Mar 7, 1976)
10 - The Williamsburgh File (Sun, Mar 14, 1976)
11 - The Overworked Miracle (Sun, Mar 21, 1976)
12 - The Transplant Experiment (Sun, Apr 11, 1976)
13 - The Underground Movement (Sun, Apr 18, 1976)
14 - Hunters of the Seal (Sun, May 2, 1976)
15 - Benjamin (Sun, May 9, 1976)
16 - The Women Rebel (Sun, May 23, 1976)
17 - Death of a Disease (Sun, Jun 6, 1976)
18 - Inside the Shark (Sun, Jun 13, 1976)
19 - The Genetic Chance (Sun, Jun 20, 1976)
20 - The Case of the Bermuda Triangle (Sun, Jun 27, 1976)

Season 4 Episodes

1 - Hitler's Secret Weapon (Wed, Jan 5, 1977)
2 - The Hot Blooded Dinosaurs (Wed, Jan 12, 1977)
3 - What Price Coal? (Wed, Jan 19, 1977)
4 - The Sunspot Mystery (Wed, Feb 2, 1977)
5 - The Plastic Prison (Wed, Feb 9, 1977)
6 - Incident at Brown's Ferry (Wed, Feb 23, 1977)
7 - Bye Bye Blackbird (Wed, Mar 2, 1977)
8 - The Pill for the People (Wed, Mar 9, 1977)
9 - The Gene Engineers (Wed, Mar 16, 1977)
10 - The Human Animal (Wed, Mar 23, 1977)
11 - The Wolf Equation (Wed, Mar 30, 1977)
12 - The Dawn of the Solar Age (Wed, Apr 20, 1977)
13 - The Business of Extinction (Wed, Apr 20, 1977)
14 - The Red Planet (Wed, Apr 27, 1977)
15 - Tongues of Men (1) (Wed, May 11, 1977)
16 - Tongues of Men (2) (Wed, May 18, 1977)
17 - Linus Pauling: Crusading Scientist (Wed, Jun 1, 1977)
18 - Across the Silent Barrier (Wed, Jun 22, 1977)
19 - The New Healers (Wed, Jun 29, 1977)

Season 5 Episodes

1 - In The Event of Catastrophe (Wed, Jan 4, 1978)
2 - The Green Machine (Wed, Jan 11, 1978)
3 - Blueprints in the Bloodstream (Wed, Jan 18, 1978)
4 - One Small Step (Wed, Jan 25, 1978)
5 - The Final Frontier (Wed, Feb 1, 1978)
6 - BaMiki BaNdula: Children of the Forest (Wed, Feb 15, 1978)
7 - Trial of Denton Cooley (Wed, Feb 22, 1978)
8 - The Great Wine Revolution (Wed, Mar 1, 1978)
9 - The Case of the Ancient Astronauts (Wed, Mar 8, 1978)
10 - The Mind Machines (Wed, Mar 22, 1978)
11 - Icarus' Children (Wed, Mar 29, 1978)
12 - Still Waters (Wed, Apr 12, 1978)
13 - Battle for the Acropolis (Wed, Apr 19, 1978)
14 - The Road to Happiness. : The Life and Times of Henry Ford (Wed, May 3, 1978)
15 - Laser : Light of the 21st Century (Wed, May 10, 1978)
16 - Insect Alternative (Wed, May 24, 1978)
17 - The Desert's Edge (Wed, May 31, 1978)
18 - The Tsetse Trap (Wed, Jun 7, 1978)
19 - Memories From Eden (Wed, Jun 14, 1978)
20 - A Whisper from Space (Wed, Jun 21, 1978)
21 - Alaska: The Closing Frontier (Wed, Jun 28, 1978)

Season 6 Episodes

1 - Black Tide (Thu, Jan 4, 1979)
2 - Long Walk Of Fred Young (Thu, Jan 11, 1979)
3 - A World Of Difference (Thu, Jan 18, 1979)
4 - Cashing In On The Ocean (Thu, Feb 1, 1979)
5 - Patterns From The Past (Thu, Feb 8, 1979)
6 - The Invisible Flame (Thu, Feb 22, 1979)
7 - The End Of The Rainbow (Thu, Mar 1, 1979)
8 - The Beersheva Experiment (Thu, Mar 8, 1979)
9 - Einstein (Thu, Mar 15, 1979)
10 - The Keys Of Paradise (Thu, Mar 29, 1979)
11 - A Plague on our Children (Tue, Oct 2, 1979)
12 - Life on a Silken Thread (Tue, Oct 9, 1979)
13 - Sweet Solutions (Tue, Oct 16, 1979)
14 - Race for the Gold (Tue, Oct 30, 1979)
15 - All Part of the Game (Tue, Nov 6, 1979)
16 - India: Machinery of Hope (Tue, Nov 20, 1979)
17 - The Bridge that Spanned the World (Tue, Dec 4, 1979)
18 - Termites to Telescopes (Tue, Dec 11, 1979)
19 - Blindness: Five Points of Views (Tue, Dec 18, 1979)

Season 7 Episodes

1 - The Elusive Illness (Tue, Jan 15, 1980)
2 - A is for Atom, B is for Bomb (Tue, Jan 22, 1980)
3 - Living Machines (Tue, Feb 5, 1980)
4 - Portrait of a Killer (Tue, Feb 19, 1980)
5 - Umealit: The Whale Hunters (Tue, Mar 4, 1980)
6 - The Safety Factor (Tue, Mar 11, 1980)
7 - A Mediterranean Prospect (Tue, Mar 18, 1980)
8 - Mr. Ludwig's Tropical Dreamland (Tue, Mar 25, 1980)
9 - The Pinks and the Blues (Tue, Sep 30, 1980)
10 - The Cancer Detectives of Lin Xian (Tue, Oct 7, 1980)
11 - The Sea Behind the Dunes (Tue, Oct 14, 1980)
12 - Do We Really Need the Rockes? (Tue, Oct 28, 1980)
13 - The Big IF (Tue, Nov 4, 1980)
14 - Voyager: Jupiter & Beyond (Tue, Nov 11, 1980)
15 - The Wizard Who Spat on the Floor (Tue, Nov 18, 1980)
16 - The Water Crisis (Tue, Nov 25, 1980)
17 - Moving Still (Tue, Dec 2, 1980)
18 - A Touch of Sensitivity (Tue, Dec 9, 1980)
19 - The Red Deer of Rhum (Tue, Dec 23, 1980)
20 - It's About Time (Tue, Dec 30, 1980)

Season 8 Episodes

1 - Doctors of Nigeria (Tue, Jan 6, 1981)
2 - Message in the Rocks (Tue, Jan 20, 1981)
3 - The Dead Sea Lives (Tue, Jan 27, 1981)
4 - Anatomy of a Volcano (Tue, Feb 10, 1981)
5 - The Science of Murder (Tue, Feb 17, 1981)
6 - The Malady of Health Care (Tue, Feb 24, 1981)
7 - Beyond the Milky Way (Tue, Mar 3, 1981)
8 - The Asteroid and the Dinosaur (Tue, Mar 10, 1981)
9 - Animal Olympians (Tue, Mar 17, 1981)
10 - Resolution on Saturn (Tue, Aug 25, 1981)
11 - Computers, Spies and Private Lives (Sun, Sep 27, 1981)
12 - Why America Burns (Sun, Oct 4, 1981)
13 - The Great Violin Mystery (Sun, Oct 11, 1981)
14 - Cosmic Fire (Sun, Oct 18, 1981)
15 - Locusts: War Without End (Sun, Oct 25, 1981)
16 - Did Darwin Get It Wrong? (Sun, Nov 1, 1981)
17 - Artists in the Lab (Sun, Nov 15, 1981)
18 - Notes of a Biology Watcher: A Film with Lewis Thomas (Sun, Nov 22, 1981)
19 - City Spaces, Human Places (Sun, Nov 29, 1981)
20 - Twins (Sun, Dec 6, 1981)

Season 9 Episodes

1 - Salmon on the Run (Sun, Jan 10, 1982)
2 - Test-Tube Babies: A Daughter For Judy (Sun, Jan 17, 1982)
3 - Field Guide to Roger Tory Peterson (Sun, Jan 24, 1982)
4 - The Hunt for the Legion Killer (Sun, Jan 31, 1982)
5 - Finding a Voice (Sun, Feb 7, 1982)
6 - The Television Explosion (Sun, Feb 14, 1982)
7 - Life: Patent Pending (Sun, Feb 28, 1982)
8 - Palace of Delights (Sun, Mar 7, 1982)
9 - Animal Impostors (Sun, Mar 14, 1982)
10 - Aging: The Methuselah Syndrome (Sun, Mar 28, 1982)
11 - The Case of the UFOs (Tue, Oct 12, 1982)
12 - The Fragile Mountain (Tue, Oct 19, 1982)
13 - Here's Looking At You Kid (Tue, Nov 9, 1982)
14 - Adventures of Teenage Scientists (Tue, Nov 16, 1982)
15 - The Cobalt Blues (Tue, Nov 23, 1982)
16 - Goodbye Louisiana (Tue, Nov 30, 1982)
17 - Whale Watch (Tue, Dec 7, 1982)
18 - Tracking The Supertrains (Tue, Dec 14, 1982)
19 - The Making of a Natural History Film (Tue, Jan 4, 1983)

Season 10 Episodes

1 - Hawaii: Crucible of Life (Tue, Jan 18, 1983)
2 - The Pleasure of Finding Things Out (Tue, Jan 25, 1983)
3 - Lassa Fever (Tue, Feb 8, 1983)
4 - The Miracle of Life (Tue, Feb 15, 1983)
5 - Asbestos: A Lethal Legacy (Tue, Mar 1, 1983)
6 - City of Coral (Tue, Mar 8, 1983)
7 - Fat Chance in a Thin World (Tue, Mar 22, 1983)
8 - Sixty Minutes to Meltdown (Tue, Mar 29, 1983)
9 - Signs of the Apes, Songs of the Whales (Tue, Oct 11, 1983)
10 - The Artificial Heart (Tue, Oct 18, 1983)
11 - Talking Turtle (Tue, Oct 25, 1983)
12 - Papua New Guinea: Anthropology on Trial (Tue, Nov 1, 1983)
13 - To Live Until You Die: The Work of Elizabeth Kubler-Ross (Tue, Nov 8, 1983)
14 - A Magic Way of Going: The Story of Thoroughbreds (Tue, Nov 15, 1983)
15 - A Normal Face: The Wonders of Plastic Surgery (Tue, Nov 22, 1983)
16 - Captives of Care (Tue, Nov 29, 1983)
17 - Twenty-Five Years in Space (Tue, Dec 6, 1983)
18 - Nuclear Strategy for Beginners (Tue, Dec 13, 1983)
19 - The Climate Crisis (Tue, Dec 20, 1983)
20 - Eyes Over China (Tue, Dec 27, 1983)
21 - Alcoholism: Life Under The Influence (Tue, Jan 10, 1984)

Season 11 Episodes

1 - The Case of ESP (Tue, Jan 17, 1984)
2 - Antarctica: Earth's Last Frontier (Tue, Jan 31, 1984)
3 - China's Only Child (Tue, Feb 14, 1984)
4 - Will I Walk Again? (Tue, Feb 28, 1984)
5 - Visions of the Deep: The Underwater World of Al Giddings (Tue, Mar 6, 1984)
6 - Down on the Farm (Tue, Mar 20, 1984)
7 - Make My People Live: The Crisis in Indian Health Care (Tue, Mar 27, 1984)
8 - The World According to Weisskopf (Tue, Apr 3, 1984)
9 - Space Bridge to Moscow (Tue, Oct 2, 1984)
10 - The National Science Test I (Tue, Oct 16, 1984)
11 - Fountains of Paradise (Tue, Oct 23, 1984)
12 - The Mystery of Yellow Rain (Tue, Oct 30, 1984)
13 - The Nomads of the Rain Forest (Tue, Nov 6, 1984)
14 - Farmers of the Sea (Tue, Nov 13, 1984)
15 - Frontiers of Plastic Surgery (Tue, Nov 20, 1984)
16 - Space Women (Tue, Nov 27, 1984)
17 - Jaws: The True Story (Tue, Dec 4, 1984)
18 - Acid Rain: New Bad News (Tue, Dec 11, 1984)
19 - Stephen Jay Gould: This View of Life (Tue, Dec 18, 1984)
20 - The Garden of Inheritance (Tue, Jan 8, 1985)

Season 12 Episodes

1 - Edgerton and His Incredible Seeing Machines (Tue, Jan 15, 1985)
2 - Global Village (Tue, Jan 22, 1985)
3 - Conquest of the Parasites (Tue, Jan 29, 1985)
4 - In the Land of the Polar Bears (Tue, Feb 5, 1985)
5 - AIDS: Chapter One (Tue, Feb 12, 1985)
6 - The Shape of Things (Tue, Feb 19, 1985)
7 - Baby Talk (Tue, Feb 26, 1985)
8 - The Mathematical Mystery Tour (Tue, Mar 5, 1985)
9 - Child's Play: Prodigies and Possibilities (Tue, Mar 12, 1985)
10 - Monarch of the Mountains (Tue, Mar 19, 1985)
11 - The National Science Test II (Tue, Oct 8, 1985)
12 - Seeds of Tomorrow (Tue, Oct 15, 1985)
13 - What Einstein Never Knew (Tue, Oct 22, 1985)
14 - The Robot Revolution? (Tue, Oct 29, 1985)
15 - The Magic of Special Effects (Tue, Nov 5, 1985)
16 - Child Survival: The Silent Emergency (Tue, Nov 12, 1985)
17 - Tornado! (Tue, Nov 19, 1985)
18 - The Genetic Gamble (Tue, Nov 26, 1985)
19 - Animal Architects (Tue, Dec 3, 1985)
20 - The Plane that Changed the World (Tue, Dec 17, 1985)

Season 13 Episodes

1 - Halley's Comet: Once in a Lifetime (Tue, Jan 21, 1986)
2 - Goddess of the Earth (Tue, Jan 28, 1986)
3 - Horsemen of China (Tue, Feb 4, 1986)
4 - Life's First Feelings (Tue, Feb 11, 1986)
5 - The Case of the Frozen Addict (Tue, Feb 18, 1986)
6 - Toxic Trials (Tue, Feb 25, 1986)
7 - Skydive to the Rain Forest (Tue, Mar 4, 1986)
8 - Return of the Osprey (Tue, Mar 11, 1986)
9 - The Rise of a Wonder Drug (Tue, Mar 18, 1986)
10 - When Wonder Drugs Don't Work (Tue, Mar 25, 1986)
11 - Visions of Star Wars (Tue, Apr 22, 1986)
12 - The Search for the Disappeared (Tue, Oct 14, 1986)
13 - The Planet that Got Knocked on its Side (Tue, Oct 21, 1986)
14 - High-Tech Babies (Tue, Nov 4, 1986)
15 - Can AIDS Be Stopped? (Tue, Nov 11, 1986)
16 - Is Anybody Out There? (Tue, Nov 18, 1986)
17 - Mystery of the Animal Pathfinders (Tue, Nov 25, 1986)
18 - Are You Swimming in a Sewer? (Tue, Dec 2, 1986)
19 - Sail Wars! (Tue, Dec 9, 1986)
20 - Leprosy Can Be Cured! (Tue, Dec 16, 1986)
21 - How Babies Get Made (Tue, Jan 13, 1987)

Season 14 Episodes

1 - Countdown to the Invisible Universe (Tue, Jan 20, 1987)
2 - Children of Eve (Tue, Jan 27, 1987)
3 - Why Planes Crash (Tue, Feb 3, 1987)
4 - Orangutans of the Rain Forest (Tue, Feb 10, 1987)
5 - Freud Under Analysis (Tue, Feb 17, 1987)
6 - The Hole in the Sky (Tue, Feb 24, 1987)
7 - Confessions of a Weaponeer (Tue, Mar 3, 1987)
8 - Great Moments from NOVA (Tue, Mar 10, 1987)
9 - Will the World Starve? (Tue, Mar 24, 1987)
10 - The Desert Doesn't Bloom Here Anymore (Tue, Mar 31, 1987)
11 - Rocky Road to Jupiter (Tue, Apr 7, 1987)
12 - Death of a Star (Tue, Oct 6, 1987)
13 - Spy Machines (Tue, Oct 13, 1987)
14 - Hidden Power of Plants (Tue, Oct 20, 1987)
15 - Japan's American Genius (Tue, Oct 27, 1987)
16 - A Man, A Plan, A Canal, Panama (Tue, Nov 3, 1987)
17 - Volcano! (Tue, Nov 10, 1987)
18 - How Good is Soviet Science? (Tue, Nov 17, 1987)
19 - Ancient Treasures from the Deep (Tue, Dec 1, 1987)
20 - Riddle of the Joints (Tue, Dec 8, 1987)
21 - Secrets of the Lost Red Paint People (Tue, Dec 15, 1987)

Season 15 Episodes

1 - Top Gun and Beyond (Tue, Jan 19, 1988)
2 - How to Create a Junk Food (Tue, Jan 26, 1988)
3 - Buried in Ice (Tue, Feb 2, 1988)
4 - Why Planes Burn (Tue, Feb 9, 1988)
5 - Battles in the War on Cancer: A Wonder Drug on Trial (Tue, Feb 23, 1988)
6 - Battles in the War on Cancer: Turning the Tide (Tue, Mar 1, 1988)
7 - The Mystery of the Master Builders (Tue, Mar 8, 1988)
8 - Whale Rescue (Tue, Mar 15, 1988)
9 - The Man Who Loved Numbers (Tue, Mar 22, 1988)
10 - Race for the Superconductor (Tue, Mar 29, 1988)
11 - Can You Still Get Polio? (Tue, Apr 5, 1988)
12 - Pioneers of Surgery: The Brutal Craft (Tue, Sep 6, 1988)
13 - Pioneers of Surgery: Into the Heart (Tue, Sep 13, 1988)
14 - Pioneers of Surgery: New Organs for Old (Tue, Sep 20, 1988)
15 - Pioneers of Surgery: Beyond the Knife (Tue, Sep 27, 1988)
16 - Can the Vatican Save the Sistine Chapel? (Tue, Oct 4, 1988)
17 - Can the Next President Win the Space Race? (Tue, Oct 11, 1988)
18 - Do Scientists Cheat? (Tue, Oct 18, 1988)
19 - Who Shot President Kennedy? (Tue, Nov 15, 1988)
20 - The Light Stuff (Tue, Nov 22, 1988)
21 - The All-American Bear (Tue, Dec 6, 1988)
22 - Can We Make a Better Doctor? (Tue, Dec 13, 1988)

Season 16 Episodes

1 - Hot Enough for You? (Tue, Jan 17, 1989)
2 - The Last Journey of a Genius (Tue, Jan 24, 1989)
3 - The Strange New Science of Chaos (Tue, Jan 31, 1989)
4 - Back to Chernobyl (Tue, Feb 14, 1989)
5 - God, Darwin and the Dinosaurs (Tue, Feb 21, 1989)
6 - Adrift on the Gulf Stream (Tue, Feb 28, 1989)
7 - Secrets of Easter Island (1) (Tue, Mar 7, 1989)
8 - Legends of Easter Island (2) (Tue, Mar 7, 1989)
9 - The World Is Full of Oil! (Tue, Mar 21, 1989)
10 - Confronting the Killer Gene (Tue, Mar 28, 1989)
11 - The Hidden City (Tue, Oct 3, 1989)
12 - The Controversial Dr. Koop (Tue, Oct 10, 1989)
13 - Design Wars! (Tue, Oct 17, 1989)
14 - Echoes of War (Tue, Oct 24, 1989)
15 - Decoding the Book of Life (Tue, Oct 31, 1989)
16 - Hurricane! (Tue, Nov 7, 1989)
17 - Will Venice Survive Its Rescue? (Tue, Nov 14, 1989)
18 - What Is Music? (Tue, Nov 21, 1989)
19 - Yellowstone's Burning Question (Tue, Dec 5, 1989)
20 - The Schoolboys Who Cracked the Soviet Secret (Tue, Dec 12, 1989)

Season 17 Episodes

1 - Poison in the Rockies (Tue, Jan 9, 1990)
2 - Race for the Top (Tue, Jan 23, 1990)
3 - Disguises of War (Tue, Feb 6, 1990)
4 - The Bomb's Lethal Legacy (Tue, Feb 13, 1990)
5 - The Big Spill (Tue, Feb 27, 1990)
6 - The Genius That Was China: Rise of the Dragon (Tue, Mar 20, 1990)
7 - The Genius That Was China: Empires in Collision (Tue, Mar 27, 1990)
8 - The Genius that Was China: The Threat from Japan (Tue, Apr 3, 1990)
9 - The Genius That Was China: Will the Dragon Rise Again? (Tue, Apr 10, 1990)
10 - The KGB, The Computer and Me (Tue, Oct 2, 1990)
11 - Neptune's Cold Fury (Tue, Oct 9, 1990)
12 - To Boldly Go... (Tue, Oct 16, 1990)
13 - Poisoned Winds of War (Tue, Oct 23, 1990)
14 - The Blimp is Back! (Tue, Oct 30, 1990)
15 - Earthquake! (Tue, Nov 6, 1990)
16 - Killing Machines (Tue, Nov 13, 1990)
17 - Can the Elephant Be Saved? (Tue, Nov 20, 1990)
18 - We Know Where You Live (Tue, Nov 27, 1990)
19 - In the Land of the Llamas (Tue, Dec 4, 1990)
20 - What's Killing the Children? (Tue, Dec 18, 1990)

Season 18 Episodes

1 - Return to Mt. St. Helens (Tue, Jan 8, 1991)
2 - ConFusion in a Jar (Tue, Apr 30, 1991)
3 - The Hunt for China's Dinosaurs (1) (Tue, Feb 5, 1991)
4 - Case of the Flying Dinosaur (Tue, Feb 12, 1991)
5 - T. rex Exposed (Tue, Feb 19, 1991)
6 - The Russian Right Stuff: The Invisible Spaceman (Tue, Feb 26, 1991)
7 - The Russian Right Stuff: The Dark Side of the Moon (Wed, Feb 27, 1991)
8 - The Russian Right Stuff: The Mission (Thu, Feb 28, 1991)
9 - Swimming With Whales (Tue, Mar 5, 1991)
10 - The Chip vs. the Chess Master (Tue, Mar 26, 1991)
11 - Sex, Lies and Toupee Tape (Tue, Oct 1, 1991)
12 - So You Want to Be a Doctor? (Wed, Oct 9, 1991)
13 - Secrets of the Dead Sea Scrolls (Tue, Oct 15, 1991)
14 - Suicide Mission to Chernobyl (Tue, Oct 22, 1991)
15 - Taller Than Everest? (Tue, Nov 5, 1991)
16 - Fastest Planes in the Sky (Tue, Nov 12, 1991)
17 - Avoiding the Surgeon's Knife (Tue, Dec 3, 1991)
18 - Skyscraper! A NOVA Special (Tue, Dec 10, 1991)
19 - The Fine Art of Faking It (Tue, Dec 17, 1991)

Season 19 Episodes

1 - Hell Fighters of Kuwait (Tue, Jan 14, 1992)
2 - Submarine! (Tue, Jan 21, 1992)
3 - Saddam's War on Wildlife (Tue, Jan 28, 1992)
4 - What Smells? (Tue, Feb 11, 1992)
5 - Can You Believe TV Ratings? (Tue, Feb 18, 1992)
6 - Making a Dishonest Buck (Tue, Mar 3, 1992)
7 - Rescuing Baby Whales (Tue, Mar 10, 1992)
8 - An Astronaut's View of the Earth (Tue, Mar 17, 1992)
9 - Eclipse of the Century (Tue, Mar 24, 1992)
10 - Animal Olympians II (Tue, Aug 25, 1992)
11 - The Genius Behind the Bomb (Tue, Sep 29, 1992)
12 - Mind of a Serial Killer (Tue, Oct 13, 1992)
13 - Search for the First Americans (Tue, Oct 20, 1992)
14 - Rafting Through the Grand Canyon (Tue, Oct 27, 1992)
15 - This Old Pyramid (Wed, Nov 4, 1992)
16 - Iceman (Tue, Nov 10, 1992)
17 - Private Lives of Dolphins (Tue, Nov 17, 1992)
18 - Brain Transplant (Tue, Dec 1, 1992)
19 - Can You Stop People From Drinking? (Tue, Dec 22, 1992)
20 - Sex and the Single Rhino (Tue, Dec 29, 1992)

Season 20 Episodes

1 - The Hunt for Saddam's Secret Weapons (Tue, Jan 5, 1993)
2 - Can Bombing Win a War? (Tue, Jan 19, 1993)
3 - The Deadly Deception (Tue, Jan 26, 1993)
4 - Nazis and the Russian Bomb (Tue, Feb 2, 1993)
5 - In the Path of a Killer Volcano (Tue, Feb 9, 1993)
6 - Can Science Build a Champion Athlete? (Tue, Feb 16, 1993)
7 - Diving for Pirate Gold (Tue, Feb 23, 1993)
8 - Murder, Rape and DNA (Tue, Mar 2, 1993)
9 - The Lost Tribe (Tue, Mar 30, 1993)
10 - The NOVA Quiz (Tue, Oct 5, 1993)
11 - Wanted: Butch and Sundance (Tue, Oct 12, 1993)
12 - Secrets of the Psychics (Tue, Oct 19, 1993)
13 - Dying to Breathe (Tue, Oct 26, 1993)
14 - Shadow of the Condor (Tue, Nov 2, 1993)
15 - The Real Jurassic Park (Tue, Nov 9, 1993)
16 - Roller Coaster! (Tue, Nov 16, 1993)
17 - Mysterious Crash of Flight 201 (Tue, Nov 30, 1993)
18 - Great Moments from NOVA (Tue, Dec 7, 1993)
19 - The Best Mind Since Einstein (Tue, Dec 21, 1993)
20 - Stranger in the Mirror (Tue, Dec 28, 1993)

Season 21 Episodes

1 - Codebreakers (Tue, Jan 18, 1994)
2 - Dinosaurs of the Gobi (Tue, Jan 25, 1994)
3 - Daredevils of the Sky (Tue, Feb 1, 1994)
4 - Journey to Kilimanjaro (Tue, Feb 8, 1994)
5 - Can Chimps Talk? (Tue, Feb 15, 1994)
6 - In Search of Human Origins, Part One (Mon, Feb 28, 1994)
7 - In Search of Human Origins, Part Two (Tue, Mar 1, 1994)
8 - In Search of Human Origins, Part Three (Wed, Mar 2, 1994)
9 - Can China Kick the Habit? (Tue, Apr 12, 1994)
10 - Aircraft Carrier! (Tue, Apr 19, 1994)
11 - The Great Wildlife Heist (Tue, Oct 11, 1994)
12 - Secret of the Wild Child (Tue, Oct 18, 1994)
13 - Haunted Cry of a Long Gone Bird (Tue, Oct 25, 1994)
14 - What's New About Menopause (Tue, Nov 1, 1994)
15 - The Tribe that Time Forgot (Tue, Nov 8, 1994)
16 - Killer Quake! (Tue, Nov 15, 1994)
17 - Buried in Ash (Tue, Nov 29, 1994)
18 - Rescue Mission in Space (Tue, Dec 6, 1994)
19 - Journey to the Sacred Sea (Tue, Dec 20, 1994)
20 - In Search of the First Language (Tue, Dec 27, 1994)

Season 22 Episodes

1 - Mammoths of the Ice Age (Mon, Jan 9, 1995)
2 - Vikings in America (Tue, Jan 24, 1995)
3 - Little Creatures Who Run the World (Tue, Jan 31, 1995)
4 - Nazi Designers of Death (Tue, Feb 7, 1995)
5 - Siamese Twins (Tue, Feb 14, 1995)
6 - Mystery of the Senses—Hearing (Sun, Feb 19, 1995)
7 - Mystery of the Senses—Smell (Mon, Feb 20, 1995)
8 - Mystery of the Senses—Taste (Tue, Feb 21, 1995)
9 - Mystery of the Senses—Touch (Wed, Feb 22, 1995)
10 - Mystery of the Senses—Vision (Thu, Feb 23, 1995)
11 - The Universe Within (Tue, Mar 7, 1995)
12 - Making of a Doctor (Wed, May 3, 1995)
13 - Fast Cars (Tue, May 23, 1995)

Season 23 Episodes

1 - Anastasia Dead or Alive? (Tue, Oct 10, 1995)
2 - Venus Unveiled (Tue, Oct 17, 1995)
3 - Hawaii Born of Fire (Tue, Oct 24, 1995)
4 - The Doomsday Asteroid (Tue, Oct 31, 1995)
5 - Lightning! (Tue, Nov 7, 1995)
6 - Hunt for the Serial Arsonist (Tue, Nov 14, 1995)
7 - Treasures of the Great Barrier Reef (Tue, Nov 28, 1995)
8 - Race to Catch a Buckyball (Tue, Dec 19, 1995)
9 - Can Buildings Make You Sick? (Tue, Dec 26, 1995)
10 - Terror in the Mine Fields (Tue, Jan 9, 1996)
11 - The Day the Earth Shook (Tue, Jan 16, 1996)
12 - B-29 Frozen in Time (Tue, Jan 30, 1996)
13 - Plague Fighters (Tue, Feb 6, 1996)
14 - War Machines of Tomorrow (Tue, Feb 20, 1996)
15 - Kidnapped by U.F.O.'s? (Tue, Feb 27, 1996)
16 - Flood! (Tue, Mar 26, 1996)
17 - Dr. Spock the Baby Doc (Tue, Apr 2, 1996)
18 - Warriors of the Amazon (Tue, Apr 9, 1996)
19 - Bombing of America (Tue, Apr 16, 1996)

Season 24 Episodes

1 - Einstein Revealed (Tue, Oct 1, 1996)
2 - Lost City of Arabia (Tue, Oct 8, 1996)
3 - Three Men and a Balloon (Tue, Oct 15, 1996)
4 - Secrets of Making Money (Tue, Oct 22, 1996)
5 - Top Gun Over Moscow (Tue, Nov 12, 1996)
6 - Shark Attack (Tue, Nov 19, 1996)
7 - Odyssey of Life: The Ultimate Journey (1) (Sun, Nov 24, 1996)
8 - Odyssey of Life: The Unknown World (2) (Mon, Nov 25, 1996)
9 - Odyssey of Life: The Photographer's Secrets (3) (Tue, Nov 26, 1996)
10 - Cracking the Ice Age (Tue, Dec 31, 1996)
11 - Kaboom! (Tue, Jan 14, 1997)
12 - Titanic's Lost Sister (Tue, Jan 28, 1997)
13 - Secrets Of Lost Empires (1): Pyramid (Tue, Feb 4, 1997)
14 - Secrets of Lost Empires: Stonehenge (1) (Tue, Feb 11, 1997)
15 - Secrets of Lost Empires: Inca (2) (Tue, Feb 11, 1997)
16 - Secrets of Lost Empires: Obelisk (3) (Wed, Feb 12, 1997)
17 - Secrets of Lost Empires: Colosseum (4) (Wed, Feb 12, 1997)
18 - Hunt for Alien Worlds (Tue, Feb 18, 1997)
19 - Curse of T.rex (Tue, Feb 25, 1997)
20 - Cut to the Heart (Tue, Apr 8, 1997)
21 - Kingdom of the Seahorse (Tue, Apr 15, 1997)

Season 25 Episodes

1 - Coma (Tue, Oct 7, 1997)
2 - Faster Than Sound (Tue, Oct 14, 1997)
3 - Bomb Squad (Tue, Oct 21, 1997)
4 - The Proof (Tue, Oct 28, 1997)
5 - Wild Wolves With David Attenborough (Tue, Nov 11, 1997)
6 - Super Bridge (Wed, Nov 12, 1997)
7 - Treasures of the Sunken City (Tue, Nov 18, 1997)
8 - Avalanche! (Tue, Nov 25, 1997)
9 - Danger in the Jet Stream (Tue, Dec 2, 1997)
10 - Night Creatures of the Kalahari (Tue, Jan 6, 1998)
11 - Mysterious Mummies of China (Tue, Jan 20, 1998)
12 - Supersonic Spies (Tue, Jan 27, 1998)
13 - Animal Hospital (Tue, Feb 3, 1998)
14 - The Brain Eater (Tue, Feb 10, 1998)
15 - Everest - The Death Zone (Tue, Feb 24, 1998)
16 - Search for the Lost Cave People (Tue, Mar 31, 1998)
17 - Warnings from the Ice (Tue, Apr 21, 1998)
18 - Crocodiles! With David Attenborough (Tue, Apr 28, 1998)
19 - The Truth About Impotence (Tue, May 12, 1998)
20 - The Perfect Pearl (Tue, Dec 29, 1998)

Season 26 Episodes

1 - Lost at Sea: The Search for Longitude (Tue, Oct 6, 1998)
2 - Chasing El Nino (Tue, Oct 13, 1998)
3 - Terror In Space (Tue, Oct 27, 1998)
4 - Special Effects: Titanic and Beyond (Tue, Nov 3, 1998)
5 - Deadly Shadow of Vesuvius (Tue, Nov 10, 1998)
6 - Ice Mummies: Frozen in Heaven (1) (Tue, Nov 24, 1998)
7 - Ice Mummies: Siberian Ice Maiden (2) (Tue, Nov 24, 1998)
8 - Ice Mummies: Return of the Iceman (3) (Tue, Nov 24, 1998)
9 - Leopards of the Night with David Attenborough (Tue, Dec 1, 1998)
10 - The Perfect Pearl (Tue, Dec 29, 1998)
11 - The Beast of Loch Ness (Tue, Jan 12, 1999)
12 - Submarines, Secrets, and Spies (Tue, Jan 19, 1999)
13 - Everest: The Mystery of Mallory and Irvin (Wed, Oct 6, 1999)
14 - Escape! Because Accidents Happen: Fire (1) (Tue, Feb 16, 1999)
15 - Escape! Because Accidents Happen: Car Crash (2) (Tue, Feb 16, 1999)
16 - Escape! Because Accidents Happen: Plane Crash (3) (Wed, Feb 17, 1999)
17 - Escape! Because Accidents Happen: Abandon Ship (4) (Wed, Feb 17, 1999)
18 - Battle Alert in the Gulf (Tue, Feb 23, 1999)
19 - Volcanoes of the Deep (Tue, Mar 30, 1999)
20 - Surviving AIDS (Tue, Apr 6, 1999)

Season 27 Episodes

1 - Fall of the Leaning Tower (Tue, Oct 5, 1999)
2 - Time Travel (Tue, Oct 12, 1999)
3 - The Killer's Trail (Tue, Oct 19, 1999)
4 - Island of the Spirits (Tue, Nov 2, 1999)
5 - Decoding Nazi Secrets (Tue, Nov 9, 1999)
6 - Voyage of Doom (Tue, Nov 23, 1999)
7 - Electric Heart (Tue, Dec 21, 1999)
8 - Tales from the Hive (Tue, Jan 4, 2000)
9 - Lost on Everest (Tue, Jan 18, 2000)
10 - Secrets of Lost Empires: Medieval Siege (1) (Tue, Feb 1, 2000)
11 - Diamond Deception (Tue, Feb 1, 2000)
12 - Secrets of Lost Empires: Pharaoh's Obelisk (2) (Tue, Feb 8, 2000)
13 - Trillion Dollar Bet (Tue, Feb 8, 2000)
14 - Secrets of Lost Empires: Easter Island (3) (Tue, Feb 15, 2000)
15 - Mystery of the First Americans (Tue, Feb 15, 2000)
16 - Secrets of Lost Empires: Roman Bath (4) (Tue, Feb 22, 2000)
17 - Lost Tribes of Israel (Tue, Feb 22, 2000)
18 - Secrets of Lost Empires: China Bridge (5) (Tue, Feb 29, 2000)
19 - What's Up with the Weather? (Tue, Apr 18, 2000)
20 - Stationed in the Stars (Tue, Apr 25, 2000)
21 - The Vikings (Tue, May 9, 2000)

Season 28 Episodes

1 - Lincoln's Secret Weapon (Tue, Oct 24, 2000)
2 - Holocaust on Trial (Tue, Oct 31, 2000)
3 - Hitler's Lost Sub (Tue, Nov 14, 2000)
4 - Runaway Universe (Tue, Nov 21, 2000)
5 - Garden of Eden (Tue, Nov 28, 2000)
6 - Dying to Be Thin (Tue, Dec 12, 2000)
7 - Japan's Secret Garden (Mon, Dec 18, 2000)
8 - Sultan's Lost Treasure (Tue, Jan 16, 2001)
9 - Vanished! (Tue, Jan 30, 2001)
10 - Nazi Prison Escape (Tue, Feb 6, 2001)
11 - Lost King of the Maya (Tue, Feb 13, 2001)
12 - The Cancer Warrior (Tue, Feb 27, 2001)
13 - Survivor M.D.: Tattooed Doctor (1) (Tue, Mar 27, 2001)
14 - Survivor M.D.: Second Opinions (2) (Tue, Apr 3, 2001)
15 - Survivor M.D.: Hearts & Minds (3) (Tue, Apr 10, 2001)
16 - Cracking the Code of Life (Tue, Apr 17, 2001)
17 - Harvest of Fear (Tue, Apr 24, 2001)

Season 29 Episodes

1 - Search for a Safe Cigarette (Tue, Oct 2, 2001)
2 - 18 Ways to Make a Baby (Tue, Oct 9, 2001)
3 - Secrets of the Mind (Tue, Oct 23, 2001)
4 - Sex: Unknown (Tue, Oct 30, 2001)
5 - Russia's Nuclear Warriors (Tue, Nov 6, 2001)
6 - Bioterror (Tue, Nov 13, 2001)
7 - Life's Greatest Miracle (Tue, Nov 20, 2001)
8 - Methuselah Tree (Tue, Dec 11, 2001)
9 - Flying Casanovas (Tue, Dec 25, 2001)
10 - Death Star (Tue, Jan 8, 2002)
11 - Neanderthals on Trial (Tue, Jan 22, 2002)
12 - Fireworks (Tue, Jan 29, 2002)
13 - Secrets, Lies, and Atomic Spies (Tue, Feb 5, 2002)
14 - The Missing Link (Tue, Feb 26, 2002)
15 - Shackleton's Voyage of Endurance (Tue, Mar 26, 2002)
16 - Why the Towers Fell (Tue, Apr 30, 2002)
17 - Fire Wars (Tue, May 7, 2002)

Season 30 Episodes

1 - Killer Disease on Campus (Tue, Sep 3, 2002)
2 - Mysterious Life of Caves (Tue, Oct 1, 2002)
3 - Lost Roman Treasure (Tue, Oct 8, 2002)
4 - Galileo's Battle for the Heavens (Tue, Oct 29, 2002)
5 - Volcano's Deadly Warning (Tue, Nov 12, 2002)
6 - Sinking City of Venice (Tue, Nov 19, 2002)
7 - The Orchid Hunter (Tue, Nov 26, 2002)
8 - Spies That Fly (Tue, Jan 7, 2003)
9 - Last Flight of Bomber 31 (Tue, Jan 14, 2003)
10 - Ancient Creature of the Deep (Tue, Jan 21, 2003)
11 - Battle of the X-Planes (Tue, Feb 4, 2003)
12 - Mountain of Ice (Tue, Feb 11, 2003)
13 - Lost Treasures of Tibet (Tue, Feb 18, 2003)
14 - Dirty Bomb (Tue, Feb 25, 2003)
15 - Deep Sea Invasion (Tue, Apr 1, 2003)
16 - Secret of Photo 51 (Tue, Apr 15, 2003)

Season 31 Episodes

1 - Infinite Secrets (Tue, Sep 30, 2003)
2 - Who Killed the Red Baron? (Tue, Oct 7, 2003)
3 - The Elegant Universe: Einstein's Dream (1) (Tue, Oct 28, 2003)
4 - The Elegant Universe: String's the Thing (2) (Tue, Oct 28, 2003)
5 - The Elegant Universe: Welcome to the 11th Dimension (3) (Tue, Nov 4, 2003)
6 - Wright Brothers' Flying Machine (Tue, Nov 11, 2003)
7 - Magnetic Storm (Tue, Nov 18, 2003)
8 - Volcano Above the Clouds (Tue, Nov 25, 2003)
9 - MARS Dead or Alive (Sun, Jan 4, 2004)
10 - Secrets of the Crocodile Caves (Tue, Jan 20, 2004)
11 - Dogs and More Dogs (Tue, Feb 3, 2004)
12 - Descent Into the Ice (Tue, Feb 10, 2004)
13 - Crash of Flight 111 (Tue, Feb 17, 2004)
14 - Life and Death in the War Zone (Tue, Mar 2, 2004)
15 - Hunt for the Supertwister (Tue, Mar 30, 2004)
16 - World in the Balance: The People Paradox (1) (Tue, Apr 20, 2004)
17 - World in the Balance: China Revs Up (2) (Tue, Apr 20, 2004)
18 - Battle Plan Under Fire (Tue, May 4, 2004)

Season 32 Episodes

1 - Origins: Earth is Born (Tue, Sep 28, 2004)
2 - Origins: How Life Began (Tue, Sep 28, 2004)
3 - Origins: Where Are the Aliens? (Wed, Sep 29, 2004)
4 - Origins: Back to the Beginning (Wed, Sep 29, 2004)
5 - The Most Dangerous Woman in America (Tue, Oct 12, 2004)
6 - America's Stone Age Explorers (Tue, Nov 9, 2004)
7 - Great Escape (Tue, Nov 16, 2004)
8 - Ancient Refuge in the Holy Land (Tue, Nov 23, 2004)
9 - Welcome to Mars (Tue, Jan 4, 2005)
10 - The Boldest Hoax (Tue, Jan 11, 2005)
11 - Supersonic Dream (Tue, Jan 18, 2005)
12 - The Viking Deception (Tue, Feb 8, 2005)
13 - Saving the National Treasures (Tue, Feb 15, 2005)
14 - A Daring Flight (Tue, Feb 22, 2005)
15 - Wave That Shook the World (Tue, Mar 29, 2005)
16 - Hitler's Sunken Secret (Tue, Nov 8, 2005)
17 - Newton's Dark Secrets (Tue, Nov 15, 2005)
18 - Storm That Drowned a City (Wed, Dec 14, 2005)

Season 33 Episodes

1 - Mystery of the Megaflood (Tue, Sep 20, 2005)
2 - Sinking the Supership (Tue, Oct 4, 2005)
3 - Einstein's Big Idea (Tue, Oct 11, 2005)
4 - Volcano Under the City (Tue, Nov 1, 2005)
5 - Hitler's Sunken Secret (Tue, Nov 8, 2005)
6 - Newton's Dark Secrets (Tue, Nov 15, 2005)
7 - Storm That Drowned a City (Tue, Nov 22, 2005)
8 - The Mummy Who Would Be King (Tue, Jan 3, 2006)
9 - Deadly Ascent (Tue, Jan 17, 2006)
10 - The Perfect Corpse (Tue, Feb 7, 2006)
11 - Jewel of the Earth (Tue, Feb 14, 2006)
12 - The Ghost Particle (Tue, Feb 21, 2006)
13 - Arctic Passage (Tue, Feb 28, 2006)
14 - The Great Robot Race: Nova (Tue, Mar 28, 2006)
15 - Voyage to the Mystery Moon (Tue, Apr 4, 2006)
16 - Dimming the Sun (Tue, Apr 18, 2006)
17 - Wings of Madness (Tue, Nov 7, 2006)
18 - Family That Walks on All Fours (Tue, Nov 14, 2006)
19 - ScienceNOW: Extinction (Tue, Oct 3, 2006)
20 - Underwater Dream Machine (Tue, Dec 26, 2006)

Season 34 Episodes

1 - Building on Ground Zero (Tue, Sep 5, 2006)
2 - Mystery of the Megavolcano (Tue, Sep 26, 2006)
3 - The Deadliest Plane Crash (Tue, Oct 17, 2006)
4 - Monster of the Milky Way (Tue, Oct 31, 2006)
5 - Wings of Madness (Tue, Nov 7, 2006)
6 - Family That Walks on All Fours (Tue, Nov 14, 2006)
7 - Underwater Dream Machine (Tue, Dec 26, 2006)
8 - Forgotten Genius (Tue, Feb 6, 2007)
9 - The Last Great Ape (Tue, Feb 13, 2007)
10 - Kings of Camouflage (Tue, Apr 3, 2007)
11 - First Flower (Tue, Apr 17, 2007)
12 - Saved by the Sun (Tue, Apr 24, 2007)
13 - Pocahontas Revealed (Tue, May 8, 2007)
14 - Bone Diggers (Tue, Jun 19, 2007)
15 - The Great Inca Rebellion (Tue, Jun 26, 2007)

Season 35 Episodes

1 - Secrets of the Samurai Sword (Tue, Oct 9, 2007)
2 - Ghost in Your Genes (Tue, Oct 16, 2007)
3 - Marathon Challenge (Tue, Oct 30, 2007)
4 - Sputnik Declassified (Wed, Nov 7, 2007)
5 - Judgment Day: Intelligent Design on Trial (Tue, Nov 13, 2007)
6 - Master of the Killer Ants (Tue, Nov 20, 2007)
7 - Missing in MiG Alley (Tue, Dec 18, 2007)
8 - Absolute Zero: The Conquest of Cold (Tue, Jan 8, 2008)
9 - Absolute Zero: The Race for Absolute Zero (Tue, Jan 15, 2008)
10 - Secrets of the Parthenon (Tue, Jan 29, 2008)
11 - Astrospies (Tue, Feb 12, 2008)
12 - Ape Genius (Tue, Feb 19, 2008)
13 - The Four Winged Dinosaur (Tue, Feb 26, 2008)
14 - Cracking the Maya Code (Tue, Apr 8, 2008)
15 - Car of the Future (Tue, Apr 22, 2008)
16 - A Walk to Beautiful (Tue, May 13, 2008)
17 - Lord of the Ants (Tue, May 20, 2008)

Season 36 Episodes

1 - Arctic Dinosaurs (Tue, Oct 7, 2008)
2 - Space Shuttle Disaster (Tue, Oct 14, 2008)
3 - Parallel Worlds, Parallel Lives (Tue, Oct 21, 2008)
4 - Hunting The Hidden Dimension (Tue, Oct 28, 2008)
5 - Alien From Earth (Tue, Nov 11, 2008)
6 - The Bible's Buried Secrets (Tue, Nov 18, 2008)
7 - Ocean Animal Emergency (Tue, Nov 25, 2008)
8 - Is There Life On Mars? (Tue, Dec 30, 2008)
9 - The Big Energy Gamble (Tue, Jan 20, 2009)
10 - The Incredible Journey of the Butterflies (Tue, Jan 27, 2009)
11 - The Spy Factory (Tue, Feb 3, 2009)
12 - Rat Attack (Tue, Feb 24, 2009)
13 - Extreme Ice (Tue, Mar 24, 2009)
14 - Last Extinction (Tue, Mar 31, 2009)
15 - Doctors' Diaries Pt.1 (Tue, Apr 7, 2009)
16 - Doctors' Diaries Pt.2 (Tue, Apr 14, 2009)
17 - Musical Minds (Tue, Jun 30, 2009)

Season 37 Episodes

1 - Darwin's Darkest Hour (Tue, Oct 6, 2009)
2 - Hubble's Amazing Rescue (Tue, Oct 13, 2009)
3 - Lizard Kings (Tue, Oct 20, 2009)
4 - Becoming Human: First Steps (Tue, Nov 3, 2009)
5 - Becoming Human: Birth of Humanity (Tue, Nov 10, 2009)
6 - Becoming Human: Last Human Standing (Tue, Nov 17, 2009)
7 - What Are Dreams? (Tue, Nov 24, 2009)
8 - What Darwin Never Knew (Tue, Dec 29, 2009)
9 - Killer Subs in Pearl Harbor (Tue, Jan 5, 2010)
10 - Building Pharaoh's Ship (Tue, Jan 12, 2010)
11 - Riddles of the Sphinx (Tue, Jan 19, 2010)
12 - Ghosts of Machu Picchu (Tue, Feb 2, 2010)
13 - Extreme Cave Diving (Tue, Feb 9, 2010)
14 - The Pluto Files (Tue, Mar 2, 2010)
15 - Hunting the Edge of Space: The Mystery of the Milky Way (Tue, Apr 6, 2010)
16 - Hunting the Edge of Space: The Ever Expanding Universe (Tue, Apr 13, 2010)
17 - Mind Over Money (Tue, Apr 27, 2010)
18 - Mt. St. Helens Back From the Dead (Tue, May 4, 2010)

Season 38 Episodes

1 - Building the Great Cathedrals (Tue, Oct 19, 2010)
2 - Emergency Mine Rescue (Tue, Oct 26, 2010)
3 - Trapped in an Elevator (Tue, Nov 2, 2010)
4 - Dogs Decoded (Tue, Nov 9, 2010)
5 - Secrets of Stonehenge (Tue, Nov 16, 2010)
6 - Quest for Solomon's Mines (Tue, Nov 23, 2010)
7 - Secrets Beneath the Ice (Tue, Dec 28, 2010)
8 - Deadliest Earthquakes (Tue, Jan 11, 2011)
9 - Making Stuff: Stronger (Wed, Jan 19, 2011)
10 - Making Stuff: Smaller (Wed, Jan 26, 2011)
11 - Making Stuff: Cleaner (Wed, Feb 2, 2011)
12 - Making Stuff: Smarter (Wed, Feb 9, 2011)
13 - Smartest Machine on Earth (Wed, Feb 9, 2011)
14 - Crash of Flight 447 (Wed, Feb 16, 2011)
15 - Venom: Nature's Killer (Wed, Feb 23, 2011)
16 - Japan's Killer Quake (Wed, Mar 30, 2011)
17 - Power Surge (Wed, Apr 20, 2011)
18 - How Smart Are Animals? (Wed, Feb 9, 2011)

Season 39 Episodes

1 - Engineering Ground Zero (Wed, Sep 7, 2011)
2 - Surviving the Tsunami (Wed, Sep 28, 2011)
3 - Finding Life Beyond Earth: Are We Alone? (Wed, Oct 19, 2011)
4 - Iceman Murder Mystery (Wed, Oct 26, 2011)
5 - The Fabric of the Cosmos: What is Space? (Wed, Nov 2, 2011)
6 - The Fabric of the Cosmos: The Illusion of Time (Wed, Nov 9, 2011)
7 - The Fabric of the Cosmos: Quantum Leap (Wed, Nov 16, 2011)
8 - The Fabric of the Cosmos: Universe or Multiverse? (Wed, Nov 23, 2011)
9 - Deadliest Volcanoes (Wed, Jan 4, 2012)
10 - Bombing Hitler's Dams (Wed, Jan 11, 2012)
11 - 3D Spies of WWII (Wed, Jan 18, 2012)
12 - Mystery of a Masterpiece (Wed, Jan 25, 2012)
13 - Ice Age Death Trap (Wed, Feb 1, 2012)
14 - Separating Twins (Wed, Feb 8, 2012)
15 - Cracking Your Genetic Code (Wed, Mar 28, 2012)
16 - Hunting the Elements (Wed, Apr 4, 2012)
17 - Deadliest Tornadoes (Wed, Apr 11, 2012)
18 - Why Ships Sink (Wed, Apr 18, 2012)
19 - Secrets of the Sun (Wed, Apr 25, 2012)

Season 40 Episodes

1 - Secrets of the Viking Sword (Wed, Oct 10, 2012)
2 - Forensics on Trial (Wed, Oct 17, 2012)
3 - Mystery of Easter Island (Wed, Nov 7, 2012)
4 - Ultimate Mars Challenge (Wed, Nov 14, 2012)
5 - Inside the Megastorm (Sun, Nov 18, 2012)
6 - Doomsday Volcanoes (Wed, Jan 2, 2013)
7 - Decoding Neanderthals (Wed, Jan 9, 2013)
8 - Rise of the Drones (Wed, Jan 23, 2013)
9 - Who Killed Lindbergh's Baby? (Wed, Jan 30, 2013)
10 - Building Pharaoh's Chariot (Wed, Feb 6, 2013)
11 - Earth From Space (Wed, Feb 13, 2013)
12 - Mind of a Rampage Killer (Wed, Feb 20, 2013)
13 - Meteor Strike (Wed, Mar 27, 2013)
14 - Ancient Computer (Wed, Apr 3, 2013)
15 - Australia's First 4 Billion Years: Awakening (Wed, Apr 10, 2013)
16 - Australia's First 4 Billion Years: Life Explodes (Wed, Apr 17, 2013)
17 - Australia's First 4 Billion Years: Monsters (Wed, Apr 24, 2013)
18 - Australia's First 4 Billion Years: Strange Creatures (Wed, May 1, 2013)
19 - Manhunt - Boston Bombers (Wed, May 29, 2013)
20 - Oklahoma's Deadliest Tornadoes (Wed, May 29, 2013)