Mr. Freeze, one of Batman's most famous villains, has the 1960s TV show to thank for a name change that was a big improvement from his original comics name.

Cesar Romero played the Joker on the '60s show. But between 1966 and 1968, long before any of those versions of the DC Comics hero, Batman came to the screen in a much lighter, and brighter, ABC ...

Various rights issues kept the original Batman from home-video release until now. Young viewers may be surprised by its pop-art sensibility, vibrant colors — and that it was played for laughs.