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- 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