Bill Nye the Science Guy (1993–1998)

1. S01E01FlightSeptember 10, 1993—Things that fly need air. Even though we walk through it, breathe it, and sneeze it, air seems to be a whole bunch of nothing. But air is
2. S01E02Earth's CrustSeptember 17, 1993—Don't just go with the flow. Settle down on the crust. Imagine a world without any crust. There would be no pies, just goopy filling, no b
3. S01E03DinosaursSeptember 24, 1993—We can dish the real dirt about dinosaurs, thanks to fossils - traces of theses astonishing animals. Dinosaurs did not print newspapers. T
4. S01E04SkinOctober 1, 1993—Learning about skin science is no sweat. It's gigantic. It's gargantuan. It's your skin. It's your body's biggest organ. If you could lay
5. S01E05BuoyancyOctober 8, 1993—A hot-air balln ride and a trip to the aquarium help Bill Nye explain why things float
6. S01E06GravityOctober 15, 1993—Next time you throw a ball in the air, and it doesn't fly off into outer space, thank gravity. Right now, you and everything in the room w
7. S01E07DigestionOctober 22, 1993—Take time to digest this show. They say that your food is no more inside you than a pencil is inside a donut, when it's poked through th
8. S01E08Phases of MatterOctober 29, 1993—Bill Nye is going through a phase - a phase of matter. Check out the ""Phases of Matter"" episode to find out about rock-solid solids, liq
9. S01E09BiodiversityNovember 5, 1993—Ecosystems are areas where things live. Ecosystems that are biodiverse are home to a variety of plants and animals. A healthy ecosystem is
10. S01E10Simple MachinesNovember 12, 1993—Learning about science can be hard work, but simple machines can make it easier. Let Bill Nye push and pull you around ramps, levers, scre
11. S01E11The MoonNovember 19, 1993—Let the moon master Bill Nye teach you the ancient and not-so-ancient secrets of the Moon. Wax on, wax off. The Moon grows bigger (waxes)
12. S01E12SoundNovember 26, 1993—Listen up, scientists. Bill Nye is here to make some noise in the ""Sound"" episode. Your vocal cords do it. Speakers playing rock music d
13. S01E13GarbageDecember 3, 1993—Garbage is a look at two different kinds of garbage -- biodegradable and non-biodegradable. Nye emphasizes the importance of recycling and c
14. S01E14StructuresDecember 10, 1993—Are you tense? Need some structure to your life? Then tune in to Bill Nye the Science Guy as he explains the science of structures. All
15. S01E15Earth's SeasonsDecember 17, 1993—It doesn't matter if it's spring, summer, winter, or fall - Bill Nye is always in season. Every year, we experience the seasons. Some mont
16. S01E16Light & ColorDecember 24, 1993—Lighten up. It's the ""Light and Color"" episode. Without light, we wouldn't be able to see. It would be like living in a room with no win
17. S01E17CellsJanuary 21, 1994—You can't see them, but they're everywhere even inside Bill Nye. This is not science fiction, it's the science of cells. All things that
18. S01E18ElectricityJanuary 28, 1994—It's time for Bill Nye to shed a little light on electricity. Electricity might seem mysterious, but once you understand the science the l
19. S01E19Outer SpaceFebruary 4, 1994—The show is way out there, way far away. After all, it's in Outer Space. When you look at the night sky on a clear dark night, you can see
20. S01E20EyeballFebruary 11, 1994—Look no further ... Bill Nye is on the ball - the eyeball. For their small size, your eyes do an important job. By working with your brain

Season 1 ranked & reviewed

1. S02E01MagnetismFebruary 18, 1994—Magnetic fields; how to make a compass; why opposites attract.
2. S02E02WindFebruary 25, 1994—The relationship between the Earth, the sun, the wind and the weather. Guest: "Today" weather reporter Willard Scott.
3. S02E03Blood & CirculationMarch 4, 1994—It's time for a heart-to-heart talk about blood and circulation with Bill Nye the Science Guy. Your blood is your bud. Without blood, your
4. S02E04Chemical ReactionsMarch 11, 1994—Bill and actress Candace Cameron use fire to demonstrate what chemical reactions are.
5. S02E05Static ElectricityMarch 18, 1994—Actress Elaine Miles and Bill Nye explain why static electricity makes clothes stick together.
6. S02E06Food WebMarch 25, 1994—Feeling a little hungry? Then grab a snack and watch Bill Nye the Science Guy's episode on the Food Web. When it comes to eating, all li
7. S02E07Light OpticsSeptember 10, 1994—Don't stay in the dark - Bill Nye will help you absorb the science of light optics. Light is energy that normally moves in a straight line,
8. S02E08Bones & MusclesSeptember 17, 1994—In this show, you can Bone up on Muscles. When you clicked on the Nye Labs web site to read this, you used your bones and muscles. Without t
9. S02E09OceanographySeptember 24, 1994—Surf's up! Get the current information as Bill Nye explains why oceans are salty and explores the ocean currents. Go with the flow of ocean
10. S02E10HeatOctober 1, 1994—Things sure are heating up at Nye Labs. Snow cones, flowers, hot dogs, people -- everything is made of molecules. No matter what they're in,
11. S02E11InsectsOctober 8, 1994—Bill Nye's not here to bug you - he just wants to tell you about insects. Do you know when you're looking at an insect? All insects have six
12. S02E12BalanceOctober 15, 1994—Bill Nye's going to use the force to pull you into the world of balance. A force is a push or a pull. You can feel a force when someone push
13. S02E13The SunOctober 22, 1994—The Sun is huge. It's bigger than huge. It's so big that 1.3 million Earths would fit inside a hollowed-out Sun. It's really far away, too -
14. S02E14BrainOctober 29, 1994—Bill Nye looks at how the brain controls the body and stores information
15. S02E15ForestsNovember 5, 1994—In Bill Nye the Science Guy: Forests, Nye shows students the levels of a forest, which include the canopy, the under story, and the floor. H
16. S02E16CommunicationNovember 12, 1994—In this program, Bill points out the different ways in which humans and animals exchange information. He also talks about the ability of hum
17. S02E17MomentumNovember 19, 1994—The momentum of a moving thing, like you riding your bike, depends on how much mass you and your bike have and how fast you’re speeding down
18. S02E18ReptilesNovember 26, 1994—Bill Nye teaches us about reptiles.
19. S02E19AtmosphereDecember 3, 1994—The air that surrounds Earth is called the atmosphere. Compared to the size of the Earth, the atmosphere is very, very thin. It’s made from
20. S02E20RespirationJanuary 7, 1995—How breathing supplies the body with the oxygen it needs

Season 2 ranked & reviewed

1. S03E01Planets & MoonsJanuary 14, 1995—Each planet is different. They are all different sizes – Pluto’s the smallest, and Jupiter’s the biggest. They come in a variety of colors –
2. S03E02PressureJanuary 21, 1995—When you push something, you’re using pressure. Pressure depends on two things – the power of the push and the area that’s being pushed on.
3. S03E03PlantsJanuary 28, 1995—A plant’s recipe for food has only three main ingredients: sunlight, carbon dioxide, and water. When plants make their food, they give off w
4. S03E04Rocks & SoilFebruary 3, 1995—We live on top of rocks – the Earth’s surface. There are three basic types of rocks — igneous, sedimentary, and metamorphic — and each type
5. S03E05EnergyFebruary 10, 1995—Energy can change forms. Your body changes the energy in food into energy you can use to do things. Dams turn the energy in falling water in
6. S03E06EvolutionFebruary 17, 1995—All living things have genes, which are like little sets of blueprints. Genes have information about the color of your eyes, the shape of yo
7. S03E07Water CycleMarch 24, 1995—About 70% of the Earth’s surface is covered in water, and almost all of that water has been around since the Earth formed billions and billi
8. S03E08FrictionMarch 31, 1995—Friction is a force that slows moving things down and turns the moving energy into heat energy. When two things rub together, like your bike
9. S03E09GermsApril 7, 1995—Don’t panic, but germs are all around you. Germs are bacteria, viruses, protozoa, and fungi, very small one-celled organisms. Your skin keep
10. S03E10ClimatesApril 14, 1995—There are lots of different climates all over the world. Deserts are warm and dry. Temperate forests are cold and wet. Tropical rain forests
11. S03E11WavesApril 21, 1995—Energy, things like light, heat, and sound, moves in waves. You’ve probably seen waves in the ocean, or ripples when you throw a rock in a p
12. S03E12Ocean LifeApril 28, 1995—There’s an amazing amount of living things in the ocean. There are fish, sharks, flowers, whales, squid, sea plants, sea anemones, sea otter
13. S03E13MammalsSeptember 8, 1995—Mammals - They're (sometimes) big, they're hairy, and they're warm-blooded. From human being to moose and from cats to rats, Bill Nye explai
14. S03E14Spinning ThingsSeptember 15, 1995—A lot of things spin – bike wheels, footballs, hard disks in your computer, and even the Earth – they’re all twirling around. Spinning thing
15. S03E15FishSeptember 22, 1995—More than 22,000 different species of fish live in the oceans, lakes, and rivers of the world. Fish come in all shapes and sizes. Some eat w
16. S03E16Human TransportationSeptember 29, 1995—Transportation is all about moving people and their things. You can transport yourself around using your feet, a bike, a car, a train – anyt
17. S03E17WetlandsOctober 6, 1995—Wetlands are not just home to different animals and plants, but they also control flooding and help keep the Earth’s water clean. Flood wate
18. S03E18BirdsOctober 13, 1995—Scientists believe that birds evolved from reptiles. Birds have backbones, and they lay eggs, but they’ve developed a unique feature that se
19. S03E19PopulationsOctober 20, 1995—Populations need a couple of basic things to survive – food and a place to live. When two or more populations of living things are crowded i
20. S03E20Animal LocomotionOctober 27, 1995—Some animals have wings that let them fly and hover. Other animals have legs, from two to more than 200, to get them walking, galloping, or

Season 3 ranked & reviewed

1. S04E01Rivers & StreamsNovember 3, 1995—Water is massive; rivers are powerful. As rivers flow downhill, they wear away rock and soil to form canyons or winding curves in the land,
2. S04E02NutritionNovember 10, 1995—All food, whether it’s protein, fat, carbohydrates, vitamins, or minerals, is made of chemicals. When your body gets a hold of these chemica
3. S04E03Marine MammalsNovember 17, 1995—Whales, dolphins, otters, walruses, and orcas are just like us, they’re mammals. Well, they’re not just like us. They live in the ocean. The
4. S04E04EarthquakesNovember 24, 1995—Earthquakes happen when pieces of land in the Earth’s crust scrape together. The crust of the Earth is made of big slabs of land called plat
5. S04E05NTV Top 11 Video CountdownDecember 1, 1995—Join Bill Nye as he counts down the hits from the Soundtracks of Science. Along with the music, Bill does a few new experiments on the lab b
6. S04E06SpidersJanuary 5, 1996—Be sure to get this straight: spiders are not insects, they’re arachnids. Spiders have eight legs, and insects have only six. Spiders have t
7. S04E07Pollution SolutionsJanuary 12, 1996—Dirty water, land, and air are a result of pollution. People are the only animals on Earth that make pollution. Garbage, burning fuel, chemi
8. S04E08ProbabilityJanuary 19, 1996—Probability is a way to measure how likely it is that something will happen. Probabilities are predictions. They’re often just very careful
9. S04E09PseudoscienceJanuary 26, 1996—People once thought that world was flat or nearly flat. It was considered a bit crazy to think of it as a big ball. But it is. You can prove
10. S04E10FlowersJanuary 27, 1996—Flowers are an important part of many plants. Plants use flowers to make other plants – to reproduce. Flowers have special parts, called sta
11. S04E11ArchaeologyJanuary 28, 1996—Archaeologists are kind of like detectives. They’re scientists who snoop through old or ancient people’s things to find out what life was li
12. S04E12DesertsJanuary 29, 1996—About 20% of the Earth is a desert. Deserts are places that get very little precipitation (rain or snow) each year, and that makes them extr
13. S04E13AmphibiansJanuary 30, 1996—Frogs, toads, salamanders, newts, and caecilians (worm-like animals that have backbones) are all amphibians, animals that spend part of thei
14. S04E14VolcanoesJanuary 31, 1996—Volcanoes are mountains made from molten rock. The Earth’s crust is divided into big slabs, called plates, which are slowly moving all the t
15. S04E15InvertebratesFebruary 7, 1996—Worms, squid, clams, and flies are spineless creatures. They’re not afraid, they’re invertebrates – animals that don’t have backbones. Inver
16. S04E16HeartFebruary 14, 1996—Your heart pumps your blood around your body, all hours, every day of the week, to keep you alive. Your heart is about the size of your fist
17. S04E17InventionsFebruary 21, 1996—Almost everything around you, from paper clips to computers, was thought of, designed, and built by humans. An invention can be a totally ne
18. S04E18ComputersApril 25, 1996—With special guest, Mick H. Computers are used throughout the world all the time. Computers are in cars, calculators, televisions – you’re e
19. S04E19FossilsSeptember 5, 1997—Most dead animals and plants break up, get decomposed, and become part of the soil, but some turn into fossils. A fossil forms when a plant
20. S04E20TimeSeptember 12, 1997—Time affects every living thing on Earth. Trees shed their leaves. Some animals only come out at night. There are even insects that only eme

Season 4 ranked & reviewed

1. S05E01ForensicsSeptember 19, 1997—Forensic scientists try to find out the who, what, when, where, and why of events in the past – crimes. Most forensic scientists work in pol
2. S05E02Space ExplorationSeptember 26, 1997—Space is hard to explore, because it’s really, really big. Most things in space are so far away that people we build special equipment just
3. S05E03GenesOctober 17, 1997—The color of your eyes, the shape of your nose, and the straightness (or curliness) of your hair depend on your genes. Not jeans the pants,
4. S05E04ArchitectureOctober 24, 1997—Towers, teepees, castles, and condominiums – some kind of planning goes into all buildings, no matter how big or small. Architects are peopl
5. S05E05FarmingOctober 31, 1997—Before food gets into your kitchen, before it even gets to the store, it’s on a farm. Almost everything we eat is grown on a farm, an area o
6. S05E06Life CyclesNovember 14, 1997—My, how you’ve grown! The popular exclamation from your Auntie may be no great revelation, but growing bigger is a part of life. In fact, it
7. S05E07Do-It-Yourself ScienceNovember 21, 1997—Do-it-yourself science involves a question, observations, a hypothesis, and experimentation. You have probably come up with questions after
8. S05E08Atoms & MoleculesNovember 28, 1997—Atoms are reeeeally small. They are so small that you can’t see them with just your eye. It takes as many as 10 million of them side-by-side
9. S05E09Ocean ExplorationDecember 5, 1997—Ocean exploration is a tricky, risky business since humans can’t naturally survive under the ocean. Ocean explorers are constantly inventing
10. S05E10Lakes & PondsFebruary 21, 1998—What do you get when you have a big hole in the ground and some water? Lakes and ponds. All lakes and ponds have one thing in common – they
11. S05E11SmellFebruary 28, 1998—How do noses work? Objects give off tiny amounts of tiny molecules into the air. When just a few of these molecules get up your nose, they d
12. S05E12CavesApril 25, 1998—Caves come in all different shapes and sizes depending on how they were formed. Spelunkers (people who explore caves) have plenty of descrip
13. S05E13FluidsMay 2, 1998—Fluids are cool; they ooze and swoosh. Whatever container you put a fluid in, that fluid will take the same shape. Milk poured into a pitche
14. S05E14ErosionMay 9, 1998—Dirt, sand, and rock from the Earth’s surface gets blown, sliced, torn, swallowed and distributed all over the world. What was yesterday’s h
15. S05E15Comets & MeteorsMay 16, 1998—Outer space is full of stuff. We’re not just talking about planets and moons. There are some bits and pieces, too small to be noticed most o
16. S05E16StormsMay 23, 1998—Storms are big, loud, and often accompanied by rain, snow, sleet, or hail. Where do these wild, dangerous, and necessary tornadoes, hurrican
17. S05E17MeasurementMay 30, 1998—Did you know that the Concorde moves 300,000 times faster than a land snail? Or that a giant redwood can be as tall as a 35-story apartment
18. S05E18PatternsJune 6, 1998—Every time you look at something, hear something, touch something, smell something, or taste something, your brain collects a little informa
19. S05E19Science of MusicJune 13, 1998—Music is the art and science of expressing ideas and feelings through sound. A sad song can say more about how someone feels than most words
20. S05E20MotionJune 20, 1998—Things can appear to be moving, when they really aren’t. Sometimes an object might seem to be at rest, even when it is in motion. It’s all r

Season 5 ranked & reviewed