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S1
剧集列表
1980/04/11 S1 E55
Surfaces: The Atmosphereâ€"Skin of the Earth
1980/04/10 S1 E54
Surfaces: Surface of the Earth
1980/04/09 S1 E53
Surfaces: Surface Tension and Bubbles
1980/04/08 S1 E52
Surfaces: Shapes and Functions at the Surface
1980/04/07 S1 E51
Surfaces: Protection
1980/04/04 S1 E50
Order/Disorder: Sum of Its Parts
1980/04/03 S1 E49
Order/Disorder: Disordered
1980/04/02 S1 E48
Order/Disorder: Social Order
1980/04/01 S1 E47
Order/Disorder: The Body â€" An Ordered System
1980/03/31 S1 E46
Order/Disorder: Regular Patterns
1980/03/28 S1 E10
Forces: A Spectacle of Forces
1980/03/27 S1 E9
Forces and Machines
1980/03/26 S1 E8
Forces: Buoyancy and Gravity
1980/03/25 S1 E7
Forces and Fields
1980/03/24 S1 E6
Forces and Motion
1980/03/21 S1 E25
Communication: Feedback
1980/03/20 S1 E24
Communication with Other Species
1980/03/19 S1 E23
Communication: Machinery of Communication
1980/03/18 S1 E22
Communication: Animal Communication
1980/03/17 S1 E21
Communication: Human Communication
1980/03/14 S1 E15
Growth/Decay: Cycles Upon Cycles
1980/03/13 S1 E14
Growth/Decay: Human Cultures/Land Forms
1980/03/12 S1 E13
Growth/Decay: Decay
1980/03/11 S1 E12
Growth/Decay: Human Growth
1980/03/10 S1 E11
Growth/Decay: Sex and Seeds
1980/03/07 S1 E45
Near/Far: Knowing Where You Are
1980/03/06 S1 E44
Near/Far: Space Travel
1980/03/05 S1 E43
Near/Far: Mapping and Navigating Over Earth
1980/03/04 S1 E42
Near/Far: Mapping and Navigating Near Home
1980/03/03 S1 E41
Near/Far: Seeing Isn't Always Believing
1980/02/29 S1 E60
Big/Small: How Big is Big?
1980/02/28 S1 E59
Big/Small: Volume & Efficiency
1980/02/27 S1 E58
Big/Small: Dinoaurs
1980/02/26 S1 E57
Big/Small: Animal Habitats
1980/02/25 S1 E56
Big/Small: Animal Sizes/Scaling
1980/02/22 S1 E40
Light/Dark: Light Sources
1980/02/21 S1 E39
Light/Dark: The Eye
1980/02/20 S1 E38
Light/Dark: Electromagnetic Spectrum
1980/02/19 S1 E37
Light/Dark: Adaptation of Plants/Animals
1980/02/18 S1 E36
Light/Dark: The Sun
1980/02/15 S1 E65
Crowded/Uncrowded: Human Survival/Controlling Densities
1980/02/14 S1 E64
Crowded/Uncrowded: Down Among the Atoms (Liquids & Solids)
1980/02/13 S1 E63
Crowded/Uncrowded: Contrasts in Densities of Materials
1980/02/12 S1 E62
Crowded/Uncrowded: Optimum Populations in Nature
1980/02/11 S1 E61
Crowded/Uncrowded: Human Crowding
1980/02/08 S1 E30
Food/Fuel: The Sun Makes Everything Go
1980/02/07 S1 E29
Food/Fuel: Fueling Machines
1980/02/07 S1 E19
Fast/Slow: Speed and Racing
1980/02/06 S1 E28
Food/Fuel: Growing and Processing Food
1980/02/05 S1 E27
Food/Fuel: Human Food
1980/02/04 S1 E26
Food/Fuel: Animal Food
1980/02/01 S1 E20
Fast/Slow: Time and Time Again
1980/01/30 S1 E18
Fast/Slow: Lifetimes
1980/01/29 S1 E17
Fast/Slow: Rhythms of Nature
1980/01/28 S1 E16
Fast/Slow: Speed Up, Slow Down
1980/01/25 S1 E35
Hot/Cold: Temperatures on Earth/In Space
1980/01/24 S1 E34
Hot/Cold: Heat and Work
1980/01/23 S1 E33
Hot/Cold: How Hot or Cold Can It Get?
1980/01/22 S1 E32
Hot/Cold: Animal and Plant Adaptations
1980/01/21 S1 E31
Hot/Cold: People's Temperatures
1980/01/18 S1 E5
Noisy/Quiet: Range of Vibration
1980/01/17 S1 E4
Noisy/Quiet: Music
1980/01/16 S1 E3
Noisy/Quiet: How People & Animals Use Sound
1980/01/15 S1 E2
Noisy/Quiet: The Ear
1980/01/14 S1 E1
Noisy/Quiet: Production & Processing of Sound
