This was Eartha Kitt's first appearance as Catwoman, and she had an entirely different approach to it from Julie Newmar. Not only did Kitt's Catwoman have more of an aggressive edge, but, due to the racial attitudes of the times, the unrequited crush that Newmar's character had on Batman had to be eliminated entirely.
Eartha Kitt took over the role of Catwoman in the final season because Julie Newmar was busy filming Mackenna's Gold (1969).
Although this was the first episode broadcast with Eartha Kitt as Catwoman, it was actually filmed after her two part team up with the Joker that was broadcast a few weeks later.
Fashion designer Rudi Gernreich was a pioneering couturier who specialized in using the clinging knits and bold colors and patterns of the 60's. He's best known for his daring topless bathing suit for women.
Catwoman's hench cats are named Manx and Angora, two cat breeds...one tailless, and one long haired.