If you accept that the universe is both infinite, and infinitely expanding.
Then by the very nature of infinity, it has happened, and currently is happening, and will happen again.
Not really, and that's a terrible example of any of the good in it. Star Wars takes place a long time ago, not in the future. So Blue Harvest is just wrong, and as such its not funny at all.
Then by the very nature of infinity, it has happened, and currently is happening, and will happen again.
(blue harvest was just marvellous wasn't it)