According Joel Eisner's book; The Official Batman Batbook, if Batman: The Movie aired before the series, Lee Meriwether would have been the first actress to portray Catwoman instead of Julie Newmar.
Narrator: Will Batman ever see Robin alive again? Will Robin ever see Batman alive again? Will our daring duo escape the wily claws of Catwoman? The answer to these and many other terrifying questions tomorrow night, Same Cat-Time, Same Cat-Channel!
Batman: You feline devil! What have you done with Robin?
Catwoman: Ahh! Is that any way to greet an old friend, Batman. Not even a Hello or How are you?
Robin: Gato and Chat Fur Company. Gato means cat in Spanish and chat means cat in French! Only the Catwoman would choose a hideout with those names.
Batman: I'm glad you're up on your foreign languages, Robin. They come in handy when fighting crime.
Robin: Si, si, Batman. What do we do now?
This is the first appearance of Catwoman. Catwoman was first portyrayed by Julie Newmar and would later be portrayed by Lee Meriwether in the Batman: The Movie and in the 3rd season by Eartha Kitt.
Catwoman: (Batman and Robin in a trap) I'm bored with you, Batman. The time is come to separate Damon from Pythias.
In ancient Greece, Pythias and his friend Damon traveled to Syracuse where Pythias was sentenced to death for plotting against the tyrant Dionysius I. Pythias asked to be allowed to return home to settle his affairs. Dionysius vetoed that idea but accepted having Damon as a substitute who would die if Pythias did not return by the appointed time. Pythias went home. The date came and at the last moment Pythias returned apologizing for being late. Pirates had captured his ship and thrown Pythias overboard. Dionysius was so impressed with Pythias' true friendship that he pardon him and kept both friends on as advisers to his court.