The Undergraduate

S2, E26: Joan Robinson, a beautiful woman and Ellen's cousin, arrives at the house for a surprise visit. Ellen is out of town but Walter and the children are thrilled to see her. Charles and Buddy fall in love with her and there is a definite attraction between Joan and Charles. Unfortunately, Joan is married, yet she tells Charles she wants 'his body'. Walter overhears the comment and warns Charles to stay away from Joan.