The Bob Newhart Show
A Girl in Her Twenties
S6 E10:
Emily's protective instincts are aroused when 70-year-old Grace DuBois (Mildred Natwick), an odd but friendly recluse, is threatened with being sent to a rest home for elderly people who can't cope with reality.
Starring
J.J. Johnston, Macon McCalman, Sondra Currie