A professor in a sex-education class gives his students a lecture on sexual practices, which are then demonstrated on screen.
| Actor | Role |
|---|---|
 John DullaghanProfessor Collins | Professor Collins |
| BBert Lewison1st Couple | 1st Couple |
| BBabs Lewison1st Couple | 1st Couple |
| DDarwin Burke2nd Couple | 2nd Couple |
| RRandi Sablon2nd Couple | 2nd Couple |
| DDanny Sillman3rd Couple | 3rd Couple |
| FFran Carston3rd Couple | 3rd Couple |
 Bob WeaverBoy | Boy |
| DDon JonesBoy | Boy |
| MMichael BarberHippie | Hippie |
| JJane BarberHippie | Hippie |