Once again the puppets are promoting Purina Dog chow, by supposedly directing & acting in a Purina Dog Chow commercial. A commercial being made, which is inside a commercial that was already made to promote the popular dog food.
For more vintage pop culture, from the 1950’s, 1960’s & the 1970’s, you might enjoy visiting TV TOY MEMORIES http://www.tvtoymemories.com/FRONT_PAGE.html