TV Series | | Comedy, Family, Sci-Fi
Father Ted Lawson creates a robot, Vicki (played by Tiffany Brissette). The family--Ted, Joan and Jamie--keep Vicki's identity secret, and pretend that she is their daughter. Harriet, their...See full summary »
That makes sense.
Despite being "made of plastic, microchips here and there", the robot and her costume grew from season to season to accommodate the actress. However, in the season 4 episode "School Monitor", there was an explanation given by the father, who put in a special chip that enabled her to grow to avoid suspicion from friends and neighbors why she never grew and remained the same age.