On the inside of the front door at the girls house you will notice an exclemation point carved into the door. As far as I've seen it's in every episode. Bea Auther who played Dorothy carved it in there for luck,and it's been there ever since.
In the episode where Sophia goes into the hospital because (allegedly) Dorothy made her move furniture, when she is in the hospital and the girls come to see her, I believe the doctor who briefly comes in to talk to them, who is treating her, is the director,...
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