Franny and the Professor - S3-E2
Continuity mistake: At the end of this episode Fran is on the phone with the people from Jeopardy saying she only got 5 boxes of the rice-a-roni but when they show her again talking to Maxwell, Fran now has 6 boxes of rice-a-roni.
Love is a Many Blundered Thing - S3-E19
Continuity mistake: When Fran and Val are in the bus stop, Val's arms change position between shots throughout the scene.
Love is a Many Blundered Thing - S3-E19
Continuity mistake: When Maxwell says he is interested in "that lady from the Schubert organisation", Fran puts her fists on her hips. When the shot changes and she says "Lipo her butt", she has her unfurled hands on her hips, lower down.
Continuity mistake: Just before Fran opens the door for her date, her handbag switches hands between shots when she says, "It's cuter on me."
Continuity mistake: When Fran is discussing why she never studied tennis she is eating a celery stick and using her right hand but when we see her in the next shot she is eating a carrot stick and using her left hand.
Continuity mistake: When Niles is putting the flowers in the vase, there are 3 sitting on the table, he goes over to the door and when he comes back they are now facing a different direction. Niles then puts two of the flowers in the vase, he picks up the third one but puts it back on the table. The next time we see the table the flower has disappeared then reappears in the next shot.
Continuity mistake: In the opening scene Fran puts a pad of paper and a pencil on the counter. The pencil is vertical, the next shot the pencil is horizontal, the last time it is seen it is vertical again.
Love is a Many Blundered Thing - S3-E19
Continuity mistake: Watch Brighton's arms in the opening scene in the Kitchen. The banana he is holding and his arms move positions between shots.
Continuity mistake: When Sylvia comes in and wakes Fran, she puts her hands on her Hips when she says "grow old with dignity", and when the shot changes her hands are at her sides.
Continuity mistake: When Maxwell shakes Fran awake the first time (in her dream), his hands are on her shoulders. When the shot changes his hands are suddenly on her legs.
Continuity mistake: When Fran is trying on her shoes in the shoe shop, her legs are crossed. Then in the next shot they are instantly uncrossed and she stands up.
Continuity mistake: When Fran and Val are in the sports bar in the beginning, the popcorn in their hair changes between shots. This is especially obvious on Val.
Continuity mistake: In the dining room during breakfast, while Fran is talking, Niles starts to turn away from the window towards Fran with a teapot in his hands. When the shot changes he is facing the window again and turns around with the teapot a second time.
Answer: Mr. Sheffield needed someone to manage the kids, not necessarily babysit them. Brighton was a Bart Simpson type, Maggie was shy and awkward and Gracie had personality issues.