Season Two: "Magnetism" • "Wind" • "Blood and Circulation" • "Chemical Reactions" • "Static Electricity" • "Food Web" • "Light Optics" • "Bones and Muscles" • "Oceanography" • "Heat" • "Insects" • "Balance" • "The Sun" • "Brain" • "Forests" • "Communication" • "Momentum" • "Reptiles" • "Atmosphere" • "Respiration"
Season Three: "The Planets" • "Pressure" • "Plants" • "Rocks and Soil" • "Energy" • "Evolution" • "Water Cycle" • "Friction" • "Germs" • "Climates" • "Waves" • "Ocean Life" • "Mammals" • "Spinning Things" • "Fish" • "Human Transportation" • "Wetlands" • "Birds" • "Populations" • "Animal Locomotion"
Season Four: "Rivers and Streams" • "Nutrition" • "Marine Mammals" • "Earthquakes" • "NTV Top 11 Video Countdown" • "Spiders" • "Pollution Solutions" • "Probability" • "Pseudoscience" • "Flowers" • "Archaeology" • "Deserts" • "Amphibians" • "Volcanoes" • "Invertebrates" • "Heart" • "Inventions" • "Computers" • "Fossils" • "Time"
Season Five: "Forensics" • "Space Exploration" • "Genes" • "Architecture" • "Farming" • "Life Cycles" • "Do-It-Yourself Science" • "Atoms" • "Ocean Exploration" • "Lakes and Ponds" • "Smell" • "Caves" • "Fluids" • "Erosion" • "Comets and Meteors" • "Storms" • "Measurement" • "Patterns" • "Science of music" • "Motion"