Great show. Here's a couple sci-fi things that bug me:

Time-travel (into the past at least). We know that's not real, right?

Even if we suspend disbelief and allow light speed travel--where does all the time go? Obi-Wan rockets off at light speed to the 'outer-rim' battles (in his tiny star fighter by the way, where do they put all the fuel?) kicks bad-guy butt and is back in time for tea and medals with Yoda. We know from Yoda's perspective Obi-Wan was gone like a hundred thousand years, right?

What's with all those colorful blaster bolts, y'know, the ones that look like tracers... a real laser weapon system wouldn't look like that would it? Surely you wouldn't need to dog-fight to blow up bad guys with said laser weapon? Give me an AIM-9 any day!

Still... I'd kill for a TARDIS and a Sonic Screwdriver!

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If something is in me which can be called religious then it is the unbounded admiration for the structure of the world so far as our science can reveal it... of the manifestations of the profoundest reason and the most radiant beauty, which are only accessible to our reason in their most elementary forms...
Albert Einstein