I’m right at that cusp, dipping into season 4 right now! It’s been interesting to see how the show has grown both technically and in terms of its writing. And when an episode is weaker, it’s nice to have the podcast to lean on to provide context and (sometimes funny/critical) commentary on the production outside the show and the politics within it.
One funny tidbit that I always notice now is that, because Grievous says “I thought you would be older!” to Anakin in Revenge of the Sith, the show has to go through plot gymnastics to make sure Anakin and Grievous never, ever meet, since, canonically, they have to meet for the first time in a later movie 
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