The sad reality of today's world is that mainstream culture is now filled with images of physical intimacy and intercourse, allowing kids to see and learn about these mature subjects at a much younger age. We've come a long way from the dated beliefs about intercourse and the reproductive system, some of which are pretty outrageous.

Here are the most bizarre moments in sex education videos from a time when adults had nothing better to do than carry around diagrams of the human body and invade the personal boundaries of children.