TULSA, Oklahoma - Editor's Note:  As we dig through thousands of hours of old videotapes in preparation for our move to a new building, we've come across some real treasures in our vault.  We're sharing them here on NewsOn6.com.

Some of you may remember recording and watching movies on something called a VHS machine. But do you remember what came before VHS?  

Reporter Randy Lewin does.  He filed this story in 1981 about a wondrous invention called the Betamax.  

Watch all the stories from our vault here.