Everyone is a little bit more communicative with each other and it slowly saves the galaxy. Slowly becomes massively AU.
Palpatine is a Sith Lord, dang it! He can handle a hyper three-year-old. (Except he really can't.)
Arthur is struck by a sorcerer and de-aged. Shenanigans and revelations ensue. Absolutely no slash.
Anakin accidentally brings balance to the Force. Part of my On Second Thoughts-verse.
A stomach bug travels through the Jedi Temple, affecting many, even Anakin Skywalker. Part of my On Second Thoughts 'verse.