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- 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