Spanking from Batman - Mmmmm I Love it. Bat Girl Yvonne Craig was introduced as Batgirl in the final season of the Batman TV Series, posters of her in full costume adorned the walls of countless millions of boys bedrooms around the world.
Evolution of the Batmobile -- I have always loved the original 66 for the fact that it would be the easiest to fix/replace. Throw a diesel in for even simpler operation. But that would not sell tickets.