Editing 3-2-1 Contact (section)

===Season 1 (1980)===
*Noisy/Quiet: Production & Processing of Sound (January 14, 1980)
*Noisy/Quiet: The Ear (January 15, 1980)
*Noisy/Quiet: How People & Animals Use Sound (January 16, 1980)
*Noisy/Quiet: Music (January 17, 1980)
*Noisy/Quiet: Range of Vibrations (January 18, 1980)
*Hot/Cold: People's Temperatures (January 21, 1980)
*Hot/Cold: Animal and Plant Adaptations (January 22, 1980)
*Hot/Cold: How Hot or Cold Can (January 23, 1980)
*Hot/Cold: Heat and Work (January 24, 1980)
*Hot Cold: Temperatures on Earth/In Space (January 25, 1980)
*Fast/Slow: Speed Up, Slow Down (January 28, 1980)
*Fast/Slow: Rhythms of Nature (January 29, 1980)
*Fast/Slow: Lifetimes (January 30, 1980)
*Fast/Slow: Speed and Racing (January 31, 1980)
*Fast/Slow: Time and Time Again (February 1, 1980)
*Food/Fuel: Animal Food (February 4, 1980)
*Food/Fuel: Human Food (February 5, 1980)
*Food/Fuel: Growing and Processing Food (February 6, 1980)
*Food/Fuel: Fueling Machines (February 7, 1980)
*Food/Fuel: The Sun Makes Everything Go (February 8, 1980)
*Crowded/Uncrowded: Human Crowding (February 11, 1980)
*Crowded/Uncrowded: Optimum Populations in Nature (February 12, 1980)
*Crowded/Uncrowded: Contrasts in Densities of Materials (February 13, 1980)
*Crowded/Uncrowded: Liquids & Solids (February 14, 1980)
*Crowded/Uncrowded: Human Survival/Controlling Densities (February 15, 1980)
*Light/Dark: The Sun (February 18, 1980)
*Light/Dark: Adaptation of Plants/Animals (February 19, 1980)
*Light/Dark: Electromagnetic Spectrum (February 20, 1980)
*Light/Dark: The Eye (February 21, 1980)
*Light/Dark: Light Sources (February 22, 1980)
*Big/Small: Animal Sizes/Scaling (February 25, 1980)
*Big/Small: Animal Habitats (February 26, 1980)
*Big/Small: Dinosaurs (February 27, 1980)
*Big/Small: Volume & Efficiency (February 28, 1980)
*Big/Small: How Big is Big? (February 29, 1980)
*Near/Far: Seeing Isn't Always (March 3, 1980)
*Near/Far: Mapping and Navigating Near Home (March 4, 1980)
*Near/Far: Mapping and Navigating Over Earth (March 5, 1980)
*Near/Far: Space Travel (March 6, 1980)
*Near/Far: Knowing Where You Are (March 7, 1980)
*Growth/Decay: Sex and Seeds (March 10, 1980)
*Growth/Decay: Human Growth (March 11, 1980)
*Growth/Decay: Decay (March 12, 1980)
*Growth/Decay: Human Cultures/Land Forms (March 13, 1980)
*Growth/Decay: Cycles Upon Cycles (March 14, 1980)
*Communication: Human Communication (March 17, 1980)
*Communication: Animal Communication (March 18, 1980)
*Communication: Machinery of Communication (March 19, 1980)
*Communication with Other Species (March 20, 1980)
*Communication: Feedback (March 21, 1980)
*Forces and Motion (March 24, 1980)
*Forces and Fields (March 25, 1980)
*Forces: Buoyancy and Gravity (March 26, 1980)
*Forces and Machines (March 27, 1980)
*Forces: A Spectacle of Forces (March 28, 1980)
*Order/Disorder: Regular Patterns (March 31, 1980)
*Order/Disorder: The Body – An Ordered System (April 1, 1980)
*Order/Disorder: Social Order (April 2, 1980)
*Order/Disorder: Disordered (April 3, 1980)
*Order/Disorder: Sum of Its Parts (April 4, 1980)
*Surfaces: Protection (April 7, 1980)
*Surfaces: Shapes and Functions at the Surface (April 8, 1980)
*Surfaces: Surface Tension and Bubbles (April 9, 1980)
*Surfaces: Surface of the Earth (April 10, 1980)
*Surfaces: The Atmosphere—Skin of the Earth (April 11, 1980)