In the 3rd one, Obi-Wan will duel Anakin and will severly hurt him, so that he needs the suit. Episode 3 will tie the first two with 4 through 6. And yes, I'd heard it would be rated PG-13, but thats alright, as long as its good!

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"Human curiosity and the desire to make the intangible tangible, has led us into a new age where the New World has been settled, and the West has been won. But if you think that we, the human race, has conquered everything there is to conquer, then just look to the sky--at space--last and greatest of the frontiers."