| Episode |
3-2-1 Contact Motion: Smashing |
1986 |
| Episode |
3-2-1 Contact Modeling: Spaces |
1987 |
| Episode |
3-2-1 Contact Signals: Lingo |
1986 |
| Episode |
Heretics of Science Linus Pauling - Vitamin C |
1994 |
| Episode |
3-2-1 Contact Shapes: Clues |
1983 |