Bewitched - Season 6 Episode 20 Super Arthur Witches are people too!
Overview: Uncle Arthur's magic is going out of whack, and Dr. Bombay helps him out by giving him a pill. This pill, however, makes Arthur become anything he thinks off. After being transformed a few times, Samantha decides to take him outside for some air. Arthur states that he feels like Superman, and all of a sudden, he has a Superman suit and flies in the air! This cause major pandemonium in the neighborhood, and Samantha convinces Darrin and Larry that it is great campaign for a client they are working with.