| Episode |
3-2-1 Contact Hot/Cold: Temperatures on Earth/In Space |
1980 |
| Episode |
3-2-1 Contact Light/Dark: Electromagnetic Spectrum |
1980 |
| Episode |
3-2-1 Contact Light/Dark: The Eye |
1980 |
| Episode |
3-2-1 Contact Light/Dark: Light Sources |
1980 |
| Episode |
3-2-1 Contact Order/Disorder: Regular Patterns |
1980 |
| Episode |
3-2-1 Contact Order/Disorder: The Body – An Ordered System |
1980 |
| Episode |
3-2-1 Contact Order/Disorder: Disordered |
1980 |
| Episode |
3-2-1 Contact Order/Disorder: Sum of Its Parts |
1980 |
| Episode |
3-2-1 Contact Hot/Cold: People's Temperatures |
1980 |
| Episode |
3-2-1 Contact Hot/Cold: Animal and Plant Adaptations |
1980 |
| Episode |
3-2-1 Contact Hot/Cold: How Hot or Cold Can It Get? |
1980 |
| Episode |
3-2-1 Contact Hot/Cold: Heat and Work |
1980 |