As Digimon Kizuna keeps hammering home, the series has always been first and foremost about people – people who can, and eventually must, part ways.
currently available for streaming.
Science fiction thrives on the anthology format. Pick any of the “classics” from a hat – Star Trek, The Dandelion Girl, Asimov’s I, Robot – and it’s a better-than-even chance that the stories don’t take longer than fifty pages or forty-two minutes to tell. There’s a lot to be said for how a tight, focused episode can really drill down on a single idea.
And precious few series wield the strengths of both quite as well as Planetes.