Certainly, there was even a very poor 4th made which isn't sold with the original trilogy cus its crap. Sort of the bastard child that nobody talks about and lives in the cellar. Errr sorry, got a bit carried away then.
Think religion, think good and evil, think about the ultimate good and evil story? No more clues now, I may well as just tell you the name of the freakin films if you don't get it now! 🙄