Seasons & Episodes
EP 1
Body Fat-I; Fiberoptics; Fainting Chat; Dolphins
EP 2
Voiceprints; Curveball; Goosebumps Chat; Hawk
EP 3
Astronaut Training; Hand: Fall Asleep; Clouded Leopard
EP 4
Hypnosis; Sky Blue; Seeing Stars Chat; Cold Remedies
EP 5
Visual Cliff; Heart; Ears Pop Chat; Wolves
EP 6
Video Games; Holograms; Funnybone Chat; Onions & Tears Chat
EP 7
Color Blindness; Taste Buds; Black Hole Chat
EP 8
Digital Sound; Eggs; Teeth Chatter Chat; Camel
EP 9
Ultrasound; Spacesuit; Knuckles Crack Chat; Porcupine
EP 10
Robots; X-Terrestrials; Headaches Chat; Parrots-I
EP 11
Wagon Wheel; Prosthetics; Armadillo
EP 12
Police Radar; Voice Synthesis; Skin/Wrinkles Chat; Snake and Lizard
EP 13
Karate; Lightning; Tears Chat; Oppossum
EP 1
Mummies; Bicycles; Helium Chat; Owl
EP 2
Hot-Air Balloons; Hearing; Side Stitch Chat; Beluga Whales
EP 3
Fire; Artificial Heart; Penguins
EP 4
Lie Detector; Golf Balls; Hiccup Chat; Cold Remedies
EP 5
Imploding Buildings; Snoring; Stomach Growl Chat; Walrus
EP 6
Computer Graphics; Smell; Tarantula Chat; Inventors Fair
EP 7
Pain; Optical Illusions; Wine Glass Sing Chat; Iguana
EP 8
Electricity; Vision; Tennis Elbow Chat; Bubbles
EP 9
Thermography; Voice; Yawn Chat; Pronghorn
EP 10
Car Crash; Allergies; Blush Chat; Reindeer
EP 11
Sports Clinics; Radioactivity; Acne Chat; Baby Tigers
EP 12
Space Shuttle
EP 13
Balance; Cooking; Scientists Disagree; Eagle
EP 1
Earnie; Rainbow; Popcorn Chat; Pygmy Hippo
EP 2
Dinosaurs; Bullet Proof Vest; Heartburn Chat; Killer Whales
EP 3
Space Shuttle; Rube Goldberg; Crazy Inventions
EP 4
Chimp Communication; The Bends; Sweating Chat; Cold Remedies
EP 5
Boomerangs; Cooking Chemistry; Bears
EP 6
Comets; Perpetual Motion; Warts Chat; Sharks
EP 7
FBI; Stomach; Llama
EP 8
Cancer; Tennis Racquets; Sneezing Chat; Badger
EP 9
Punting A Football; Color; Jet Lag Chat; Sea Lions
EP 10
Muscles And Bones; Einstein; Falling Stars Chat; Raptor Center
EP 11
Earthquakes; Lungs; Bats
EP 12
Headaches; Eggs/Equinox; Hot Pepper Chat; Inventors Fair; Lion
EP 13
Singing In The Shower; Calories; Sun Tanning Chat; Patagonian Cavy
EP 1
Flight Trainers; Snake Bite; Hedgehoh Chat; Cold Remedies
EP 2
Caves; Lasers; Skin Wrinkle Chat; Whale Birth
EP 3
Hypothermia; Moon; Voice Change Chat; Yak
EP 4
Sponges; Bed of Nails; Probability; Pelicans
EP 5
Bees; Blood Pressure; Bruises Chat; Hiccups
EP 6
Telescopes; Food Myths; Manatee
EP 7
Fossil Dig; Mirrors; Frostbite Chat; Elephants
EP 8
Wind Blow; Baldness; Soda Pop Fizz Chat; Cranes
EP 9
Alcohol; Helium Balloons; Backache Chat; Roller Coaster; Snow Monkeys
EP 10
Diabetes; Frozen Food; Flat Feet Chat; Battery Inventions; Alligators
EP 11
Immune System; Skiing; Blimp; Beaver
EP 12
Pterodactyl; Rube Goldberg; Black Box Chat; Quickies
EP 13
Baseball Bats; Polarized Light; Dreams Chat; Inventors Fair; Falcon
EP 1
Plastic Surgery; High-Speed Bicycles; Lemons; Alling Whale
EP 2
Treasure Diving; Blackboard Chat; Lemons; Mothballs & Wintergreen
EP 3
Polar Expedition; Inventors Fair; Sea Otter
EP 4
Submarine; Budgies In A Truck; Uvula Chat; Lemons; Sea World Science Day
EP 5
Tornado; Exploratorium; Laryngitis Chat; Lemons; Beach Science
EP 6
Neon Lights; Rube Goldberg; Aspirin Chat; Lemons; Puffins
EP 7
MRI; Segment Update; Stars Twinkle Chat; Lemons; Kitchen Science
EP 8
Cavities; Snowflakes; Reflexes Chat; Lemons; Artic Fox
EP 9
Cocaine Addiction; Laundry Science; Lemons; Sled Dogs
EP 10
Child Development; Bridges; Lemons; Octopus
EP 11
Sailing; Skin Lotion Chat; Lemons; Jelly Fish
EP 12
Bureau Of Standards; Gravity Contest; Upset Stomach Chat; Lemons; Kelp Forest
EP 13
Gymnastics; Computer Vision; Lemons; Golden Monkeys
EP 1
Skydiving; Facial Symmetry; Lemons; Baby Orangutans
EP 2
ILM-Movie Creatures; Cholesterol; Lemons; Suntan; Vulture
EP 3
Microsurgery; Strobes; Coordination Chat; Lemons; Aardvark
EP 4
Air Traffic Control; Feet; Bell Curves; Tracking Bears
EP 5
Clouds; Rube Goldberg; Skin Itch Chat; Home Runs; Cold Remedies
EP 6
Woods Hole–Lobster; Woods Hole–Cell Division; Woods Hole 3
EP 7
Rockets; CPR Chat; Inventors Fair; Lemons; Aerosol Sprays; Cow
EP 8
Fireworks; Papermaking; Gas Chat; Lemons; Slow Loris
EP 9
Insomnia; Electron Microscope; Lemons; Exponentials; Giraffe
EP 10
Liquid Nitrogen; Dolphins; Superconductivity Chat; Lemons; Insects
EP 11
Synthesizers; Maple Syruping; Non-Stick Pans; Wind Chill Chat; Lemons; Serval
EP 12
Magnets; Forest Fires; Night Blindness Chat; Lynx
EP 13
Horse Jumping; Toys in Space; Dust Bunnies; Carnivorous Plants; Lemons; Toucan
EP 1
Roller Coaster; Quicksand; Jelly-Side Down; Lemons; White Tiger
EP 2
Bee Stings; Bowling; High-Speed Elevator; Lemons; Boa
EP 3
Race Cars; Spider Webs; Lemons; Tropical Fish
EP 4
Rain Forest; Buoyancy; Pouring Catsup; Lemons; Cold Remedies
EP 5
Caffeine; Butterfly Migration; Autumn Leaves; Lemons; Doppler Effect; Sloth
EP 6
Surfing; Geothermal/Volcanoes; Luau; Sugar Processing; Hawaiian Language; Eel
EP 7
Whale Watch; Sunspots; Lemons; Skunk
EP 8
Milky Way; Epilepsy; Lemons; Inventors Fair; Cuttlefish
EP 9
DNA; Rube Goldberg Contest; Parrot Chat; Chewing Tin Foil; Seahorse
EP 10
Marathons; Celestial Navigation; Cataracts Chat; Lemons; Echidna
EP 11
Spinal Cord; Glue; Lemons; Dog Behavior
EP 12
Cheese; Aging; Appendix Chat; Wolves
EP 13
Supercomputer; Greenhouse Effect; House Creaking; Owl
EP 1
Disney-Cartoons; Skateboards; Smothers/Yo-yos; Lemons; Turtles
EP 2
Juggling; Greenwich; Echoes; Flies
EP 3
Everglades; Tomorrow's World; Recycling Chat; Everglades Students
EP 4
Demolition Derby; Stress; Topology Chat; Eagles
EP 5
Kidney; Steve Allen/Music; Lemons; Swans
EP 6
Blood; Physics Circus; Faxes; Lemons; Pronghorn
EP 7
Helicopter; Isaac Newton; Lemons; Koala
EP 8
Dyes; Billiards; Cheerios; Lemons; Cheetah
EP 9
Desert Animals; Judo; Salt & Ice; Pigs
EP 10
Hydro Power; Whitewater Rafting; Mold; Lemons; Weather Proverbs
EP 11
Wildlife Census; Eggs; Inventors Fair; Stone Crabs
EP 12
Violins; Voyager; Rube Goldberg; Lemons; Kinkaju
EP 13
Glaciers; Termites; Lemons; Alligators
EP 1
Aerobic Exercise; Swimming/Weightlifting; Luge/Skating; Softball/Racewalking
EP 2
Solar Cars; Steroids; The Amazing Kreskin; Foot Fall Asleep; Miniature Horses
EP 3
Murder Mystery; Ted Nugent; Bats
EP 4
Cancer Causes; Frisbees; Computer Virus
EP 5
Sewers; Cancer Treatments; Dick Cavett; Porcupines
EP 6
Mapping the Dig Site; Dating the Bones; Assembling Dinosaur
EP 7
Domed Stadium; Photosynthesis; Polarized Sunglasses; Amusement Park
EP 8
Tears; Slinky Physics; Barcodes; Aspirin; Camels
EP 9
Soviet Space; Sky Blue; Inventors Fair; Llamas
EP 10
Acid Rain; Highjump; Potholes; Goats
EP 11
Medical Quackery; Microwave Ovens; Dollar Changer; Golden Eagles
EP 12
Telecommunications; Solar Eclipse; Blimp; Bear Cubs
EP 13
Hip Replacement; Airbags; Paper Cuts; Potbelly Pigs
EP 1
Television; Studio Tour; Post-Production; Satellites
EP 2
Movie Stunts; Household Chemistry; Coffee and Cream; Musk Ox
EP 3
Election Polls and Surveys; Electric Car; Ceramics; Cougars
EP 4
Monster Make-Up; Ozone; Rearview Mirrors; Artificial Sweeteners
EP 5
Oil Spill; Diet & Nutrition; Crystal Gayle; Caribou
EP 6
Antarctic Journey; Antarctic Penguins; Palmer Station; Krill; Seals
EP 7
AIDS ; Glass Recycling; Science Challenge; Cement; Wolverine
EP 8
Cockroaches; Broken Bones; Dentist Chair; Rhinoceros
EP 9
Omnimax Technology; Archery; Lightbulb; Condors
EP 10
Aurora Borealis; Air Pressure; Al Gore; Piranha
EP 11
Traffic Control; Cryogenics; Static Electricity; Russian Kids
EP 12
Blood Typing; Locks & Dams; Moles; Penguins
EP 13
Diabetes; Galaxy Mapping; Dweezil Zappa; Ostrich
EP 1
Rock Climbing; Taste Test; Monty Hall; Baby Bobcats
EP 2
Emergency Rescue; Black Holes; Pizza; Reindeer
EP 3
Memory; In Vitro Fertilization; Goose Bumps; Hummingbirds
EP 4
Newspaper; Bomb Squad; Echoes; Mosquitoes
EP 5
Jumbo Jets; Meteors; Knuckle Crack; Paper Recycling
EP 6
Windsurfing; Permafrost; Tumbleweeds; Zebras
EP 7
Spotted Owls; Carpal Tunnel; Foggy Mirrors; Lizards
EP 8
Archaeology; Mazes; Dolphins
EP 9
Firefighting; Dairy Farm; Inventors Fair; Otters
EP 10
Bison Roundup; Heart Attack; Dead Fingernails; Chile Peppers
EP 11
The Bends; Compact Disc; Michael York; Wolves
EP 12
Garbage; Infrared; Shelley Duvall; Polar Bears
EP 13
Mt. Rushmore; Virtual Reality; Candles; Chimpanzees
EP 1
Hang Gliding; Karate; Robin Leach; Elephant
EP 2
Sled Dogs; Arctic Travel; Life in Camp; Arctic Weather
EP 3
Aircraft Carrier; Brain; Carrier Life
EP 4
Brain Mapping; Garlic; Sunscreens; Tasmanian Devil
EP 5
Movie Dinosaurs; Bread Chemistry; Scott Hamilton; Wallaby
EP 6
Movie Sound Effects; Sun; Globetrotters; Hedgehog
EP 7
Dinosaur Extinction; Floods; Blue Seas; Siberian Tiger
EP 8
Internet; Antibiotics; Panning for Gold; Taxidermy
EP 9
Ethnobotany; Hubble Telescope; Inventors Fair; Komodo Dragons
EP 10
Raptor Hospital; Photography; Skipping Stones; Snakes
EP 11
Redwoods; Electricity; Monuments; Red Fox
EP 12
Printing Money; Gravity; Nature Labs
EP 13
Bridges; Earthquakes; Chroma-Key; Grizzly Bear
EP 1
Waterskiing; Reflexes; Escalator; Fat-free Foods
EP 2
Circus High Wire; Mummies; Bug Spray; Armadillo
EP 3
Maya Bike Trek; Hearing; Parachutes; Owls
EP 4
Balloon Safari; Grasslands; Maasai Mara; Mara Animals
EP 5
Ice Surfing; DNA Fingerprinting; Bubble Gum; Cold Remedies
EP 6
Aircraft Fire Rescue; Balloons; Knives; Science Home Videos
EP 7
Simulator Rides; Dolphin Communication; Parade Technology; Laser Show
EP 8
Hazardous Materials; In-Line Skating; Skin Wrinkling; Compost
EP 9
Human Slingshot Ride; Bone Marrow; King's Singers; Rotting Foods
EP 10
Wild Lion Vet; Bicycles; Fish Breathing; Insect Warfare
EP 11
Equator; Maasai Village; Coffee; Baby Elephants
EP 12
Bird Songs; Ergonomics; Inventor's Fair; Scorpions
EP 13
Jungle Survival; Liver; Emus
EP 1
Spelunking; Human Eye; Betty White; Elks
EP 2
Sharks; Tattoo; Black Pearls; Coconuts
EP 3
Riverboats; Body Fat-II; Motorcycle Scientists; Parrots-II
EP 4
Hypercoaster; Nicotine; Erasers; Dance Scientists
EP 5
Avalanche Rescue; Prosthetic Limbs; Football Scientist; Popcorn
EP 6
Inca Engineering; Quipus; Potatoes; Alpacas
EP 7
Ski Jump; Bee Stings; Fear; Ruminants
EP 8
Rain Forest Researchers; Snakes; Frogs; Leaf Cutter Ants
EP 9
Olympics Solar Energy; Soccer; Trumpets; Earthquake Scientist
EP 10
Malaria Tracking; Clocks; Inventors' Fair; Deformed Frogs
EP 11
Post Office; Gems; SCI HomeVideo
EP 12
Ethanol; Bones; Coyotes
EP 13
Wetlands; Eco-Filtration; Drinking Water; Water Tower
EP 1
Lost World Dinosaurs; Glaucoma; Research Vet; Enzyme Cleaners
EP 2
Henrietta Marie; Scuba Kids; Fog; Best Of Inventors' Fair
EP 3
Goldmine; Phases Of The Moon; Craig T. Nelson; Baby Tiger
EP 4
Pet Food; The Family Pack; Wishbone; Not-A-Pet; Exotic Pets
EP 5
White Water Rafting; Asthma; Meteorologist; Wild Horses
EP 6
Gliders; Suction Cups; Novocaine; Leeches
EP 7
Wilderness Training; River Kayaking; Glacier Climbing; Summit Bid
EP 8
Glass Blowing; Smiles; Richard Dean Anderson; Enviro-Archaeology
EP 9
Mammoth Dig; Greenhouse Effect; Neo-Natologist; Palmer Station
EP 10
Kids On Mars; Wind Blow; Badlands; Chocolate
EP 11
Zoo Vet; Car Engines; Can Opener; Walking Sticks
EP 12
'Bot Or Not; NASA Robots; Mars VR; Robot Camps
EP 13
Lightning Bolts; Proteins; Geese; Home Videos
Popular Cast
Related TV Series
Horizon
NOVA
Nature
Top Gear
Who Do You Think You Are?
Doctor Who Confidential
Inside Bill's Brain: Decoding Bill Gates
The World According to Jeff Goldblum
History 101
How It's Made
The Crocodile Hunter
Biography
Welcome to Earth
The Last Movie Stars
30 for 30
Natural World
Down to Earth with Zac Efron
Deadly Women
American Experience
