• S1.E1 ∙ Flight
• S1.E2 ∙ The Earth's Crust
• S1.E3 ∙ Dinosaurs
• S1.E4 ∙ Skin
• S1.E5 ∙ Buoyancy
• S1.E6 ∙ Gravity
• S1.E7 ∙ Digestion
• S1.E8 ∙ Phases of Matter
• S1.E9 ∙ Biodiversity
• S1.E10 ∙ Simple Machines
• S1.E11 ∙ The Moon
• S1.E12 ∙ Sound
• S1.E13 ∙ Garbage
• S1.E14 ∙ Structures
• S1.E15 ∙ Earth's Seasons
• S1.E16 ∙ Light and Color
• S1.E17 ∙ Cells
• S1.E18 ∙ Electricity
• S1.E19 ∙ Outer Space
• S1.E20 ∙ Eyeballs

• S2.E1 ∙ Magnetism
• S2.E2 ∙ Wind
• S2.E3 ∙ Blood & Circulation
• S2.E4 ∙ Chemical Reactions
• S2.E5 ∙ Static Electricity
• S2.E6 ∙ Food Web
• S2.E7 ∙ Light Optics
• S2.E8 ∙ Bones and Muscles
• S2.E9 ∙ Ocean Currents
• S2.E10 ∙ Heat
• S2.E11 ∙ Insects
• S2.E12 ∙ Balance
• S2.E13 ∙ The Sun
• S2.E14 ∙ The Brain
• S2.E15 ∙ Forests
• S2.E16 ∙ Communication
• S2.E17 ∙ Momentum
• S2.E18 ∙ Reptiles
• S2.E19 ∙ Atmosphere
• S2.E20 ∙ Respiration

• S3.E1 ∙ Planets and Moons
• S3.E2 ∙ Pressure
• S3.E3 ∙ Plants
• S3.E4 ∙ Rocks & Soil
• S3.E5 ∙ Energy
• S3.E6 ∙ Evolution
• S3.E7 ∙ Water Cycle
• S3.E8 ∙ Friction
• S3.E9 ∙ Germs
• S3.E10 ∙ Climates
• S3.E11 ∙ Waves
• S3.E12 ∙ Ocean Life
• S3.E13 ∙ Mammals
• S3.E14 ∙ Spinning Things
• S3.E15 ∙ Fish
• S3.E16 ∙ Human Transportation
• S3.E17 ∙ Wetlands
• S3.E18 ∙ Birds
• S3.E19 ∙ Populations
• S3.E20 ∙ Animal Locomotion

• S4.E1 ∙ Rivers and Streams
• S4.E2 ∙ Nutrition
• S4.E3 ∙ Marine Mammals
• S4.E4 ∙ Earthquakes
• S4.E5 ∙ NTV Top 11 Video Countdown
• S4.E6 ∙ Spiders
• S4.E7 ∙ Pollution Solutions
• S4.E8 ∙ Probability
• S4.E9 ∙ Pseudoscience
• S4.E10 ∙ Flowers
• S4.E11 ∙ Archaeology
• S4.E12 ∙ Deserts
• S4.E13 ∙ Amphibians
• S4.E14 ∙ Volcanoes
• S4.E15 ∙ Invertebrates
• S4.E16 ∙ Heart
• S4.E17 ∙ Inventions
• S4.E18 ∙ Computers
• S4.E19 ∙ Fossils
• S4.E20 ∙ Time

• S5.E1 ∙ Forensics
• S5.E2 ∙ Space Exploration
• S5.E3 ∙ Genes
• S5.E4 ∙ Architecture
• S5.E5 ∙ Farming
• S5.E6 ∙ Life Cycles
• S5.E7 ∙ Do-It-Yourself Science
• S5.E8 ∙ Atoms and Molecules
• S5.E9 ∙ Ocean Exploration
• S5.E10 ∙ Lakes and Ponds
• S5.E11 ∙ Smell
• S5.E12 ∙ Caves
• S5.E13 ∙ Fluids
• S5.E14 ∙ Erosion
• S5.E15 ∙ Comets and Meteors
• S5.E16 ∙ Storms
• S5.E17 ∙ Measurement
• S5.E18 ∙ Patterns
• S5.E19 ∙ Science of Music
• S5.E20 ∙ Motion