After community finishes, I think Donald Glover and Dani Pudi should get their own morning talk show.
I'm worried about the loss of Dan Harmon, but maybe it will still be funny. They wrapped it up pretty well at the end of season 3, so even if it does suck we still have some closure.
I'd say the majority of episodes s1 and s2 are fillery and just as "bad" as s3 was. At least that was my experience rewatching the series. Really, if it came down to it, I'd pick maybe a third of the episodes to watch again (from all three seasons) and just never touch the others again.