Karin Argoud was in an After School Special called "Tough Girl" which aired on 10/28/81. It's now on DVD. Read a review here:

http://www.sitcomsonline.com/afterschoolspecials19811982dvdreview.html

I would like to see that! I have never seen Karin in anything besides Mama's Family.

I just picked up the Tough Girl dvd. Karen's really awesome in it!