Marcia Gets Braces

One of the classic sitcom episodes involving braces is the one where Marcia Brady gets braces, and has a hard time adjusting to them. This 1970 episode of The Brady Bunch shows a time before braces became cool, when kids dreaded getting braces, and were often nervous about being seen wearing them. These was the true "metal mouth" era, when when fewer kids had them, and they were much more conspicuous.

Zoom Episode About Braces (1978)

Here is a 1978 clip from the '70s youth oriented show Zoom, where one of the young hosts talks about her braces, and shows a short film of an orthodontic visit.  This is a classic braces memory from the 1970s.