• S 5: Ep 8 Cavities; Snowflakes; Reflexes Chat; "Lemons"; Arctic Fox
    11/28/87
  • S 5: Ep 7 MRI; Segment Update; Stars Twinkle Chat; "Lemons"; Kitchen Science
    11/21/87
  • S 5: Ep 6 Neon Lights; Rube Goldberg; Aspirin Chat; "Lemons"; Puffins
    11/14/87
  • S 5: Ep 5 Tornado; Exploratorium; Laryngitis Chat; "Lemons"; Beach Science
    11/7/87
  • S 5: Ep 4 Submarine; Budgies In A Truck; Uvula Chat; Lemons, Sea World Science Day
    10/31/87
  • S 5: Ep 3 Polar Expedition; Inventors' Fair; Sea Otter
    10/24/87
  • S 5: Ep 2 Treasure Diving; Blackboard Chat; "Lemons"; Mothballs & Wintergreen
    10/17/87
  • S 5: Ep 1 Plastic Surgery; High-Speed Bicycles; "Lemons"; Ailing Whale
    10/10/87
  • S 4: Ep 13 Baseball Bats; Polarized Light; Dreams Chat; Inventors' Fair; Falcon
    1/3/87
  • S 4: Ep 12 Pterodactyl; Rube Goldberg; Black Box Chat; Quickies
    12/27/86
  • S 4: Ep 11 Immune System; Skiing; Blimp; Beaver
    12/20/86
  • S 4: Ep 10 Diabetes; Frozen Food; Flat Feet Chat; Battery Inventions; Alligators
    12/13/86
  • S 4: Ep 9 Alcohol; Helium Balloons; Backache Chat; Roller Coaster; Snow Monkeys
    12/6/86
  • S 4: Ep 8 Wind Blow; Baldness; Soda Pop Fizz Chat; Cranes
    11/29/86
  • S 4: Ep 7 Fossil Dig; Mirrors; Frostbite Chat; Elephants
    11/22/86
  • S 4: Ep 6 Telescopes; Food Myths; Manatee
    11/15/86
  • S 4: Ep 5 Bees; Blood Pressure; Bruises Chat; Hiccups
    11/8/86
  • S 4: Ep 4 Sponges; Bed Of Nails; Probability; Pelicans
    11/1/86
  • S 4: Ep 3 Hypothermia; Moon; Voice Change Chat; Yak
    10/25/86
  • S 4: Ep 2 Caves; Lasers; Skin Wrinkle Chat; Whale Birth
    10/18/86
  • S 4: Ep 1 Flight Trainers; Snake Bite; Hedgehog Chat; Cold Remedies
    10/11/86
  • S 3: Ep 13 Singing In The Shower; Calories; Sun Tanning Chat; Patagonian Cavy
    1/4/86
  • S 3: Ep 12 Headaches; Eggs/Equinox; Hot Pepper Chat; Inventors' Fair; Lion
    12/28/85
  • S 3: Ep 11 Earthquakes; Lungs; Bats
    12/21/85
  • S 3: Ep 10 Muscles & Bones; Einstein; Falling Stars Chat; Raptor Center
    12/14/85
  • S 3: Ep 9 Punting A Football; Color; Jet Lag Chat; Sea Lions
    12/7/85
  • S 3: Ep 8 Cancer; Tennis Racquets; Sneezing Chat; Badger
    11/30/85
  • S 3: Ep 7 FBI; Stomach; Llama
    11/23/85
  • S 3: Ep 6 Comets; Perpetual Motion; Warts Chat; Sharks
    11/16/85
  • S 3: Ep 5 Boomerangs; Cooking Chemistry; Bears
    11/9/85
  • S 3: Ep 4 Chimp Communication; Bends; Sweating Chat; Cold Remedies
    11/2/85
  • S 3: Ep 3 Space Shuttle; Rube Goldberg; Crazy Inventions
    10/26/85
  • S 3: Ep 2 Dinosaurs; Bullet Proof Vest; Heartburn Chat; Killer Whales
    10/19/85
  • S 3: Ep 1 Earnie; Rainbow; Popcorn Chat; Pygmy Hippo
    10/12/85
  • S 2: Ep 13 Balance; Cooking; Scientists Disagree; Eagle
    1/5/85
  • S 2: Ep 12 Space Shuttle
    12/29/84
  • S 2: Ep 11 Sports Clinics; Radioactivity; Acne Chat; Baby Tigers
    12/22/84
  • S 2: Ep 10 Car Crash; Allergies; Blush Chat; Reindeer
    12/15/84
  • S 2: Ep 9 Thermography; Voice; Yawn Chat; Pronghorn
    12/8/84
  • S 2: Ep 8 Electricity; Vision; Tennis Elbow Chat; Bubbles
    12/1/84
  • S 2: Ep 7 Pain; Optical Illusions; Wine Glass Sing Chat; Iguana
    11/24/84
  • S 2: Ep 6 Computer Graphics; Smell; Tarantula Chat; Inventors' Fair
    11/17/84
  • S 2: Ep 5 Imploding Buildings; Snoring; Stomach Growl Chat; Walrus
    11/10/84
  • S 2: Ep 4 Lie Detector; Golf Balls; Hiccup Chat; Cold Remedies
    11/3/84
  • S 2: Ep 3 Fire; Artificial Heart; Penguins
    10/27/84
  • S 2: Ep 2 Hot-Air Balloons; Hearing; Side Stitch Chat; Beluga Whales
    10/20/84
  • S 2: Ep 1 Mummies; Bicycles; Helium Chat; Owl
    10/13/84
  • S 1: Ep 13 Karate; Lightning; Tears Chat; Oppossum
    1/7/84
  • S 1: Ep 12 Police Radar; Voice Synthesis; Skin/Wrinkles Chat; Snake & Lizard
    12/31/83
  • S 1: Ep 11 Wagon Wheel; Prosthetics; Armadillo
    12/24/83
  • S 1: Ep 10 Robots; X-Terrestrials; Headaches Chat; Parrots
    12/17/83
  • S 1: Ep 9 Ultrasound; Spacesuit; Knuckles Crack Chat; Porcupine
    12/10/83
  • S 1: Ep 8 Digital Sound; Eggs; Teeth Chatter Chat; Camel
    12/3/83
  • S 1: Ep 7 Color Blindness; Taste Buds; Black Hole Chat
    11/26/83
  • S 1: Ep 6 Video Games; Holograms; Funnybone Chat; Onions & Tears Chat
    11/19/83
  • S 1: Ep 5 Visual Cliff; Heart; Ears Pop Chat; Wolves
    11/12/83
  • S 1: Ep 4 Hypnosis; Sky Blue; Seeing Stars Chat; Cold Remedies
    11/5/83
  • S 1: Ep 3 Astronaut Training; How A Hand Falls Asleep; Clouded Leopard
    10/29/83
  • S 1: Ep 2 Voiceprints; Curveball; Goosebumps Chat; Hawk
    10/22/83
  • S 1: Ep 1 Body Fat; Fiberoptics; Fainting Chat; Dolphins
    10/15/83