In Season 5 (the last season under the original format before it became The Ted Knight Show), Jackie only appears in nine out of 21 episodes (https://en.wikipedia.org/wiki/List_of_Too_Close_for_Comfort_episodes#Season_5_(1985)). Was Deborah Van Valkenburgh's lack of activity this season due to her being away filming the movie Streets of Fire (https://en.wikipedia.org/wiki/Streets_of_Fire)?