But what is this woman and exactly what kind of powers did she have? So it didn’t seem all fleshed out and that confused people. “Juliet Mills was just adorable, but you never really quite knew what Nanny was. “ Nanny and the Professor was a charming half-hour that was somewhere between Bewitched and I Dream of Jeannie,” says Herbie J Pilato, author of Mary: The Mary Tyler Moore Story and host of Amazon’s new Classic TV talk show, Then Again.