School House Rock

My psychology professor told our class that we could find School House Rock on youtube. I don't know if it was a little before my time, but I remember watching these on Saturday morning TV. I think the world would be a better place if everybody had as fond memories as I do of learning about such things as how a bill becomes a law, or the how 3 is a magic number, or my own personal favorite, the conjunction:
This one was my favorite.

You'll have a hard time getting that tune out of your head!