The fact that original episodes of this NBC sitcom are being spooled out during the summer is one indication of how little regard NBC has for the social comedy Jerrod Carmichael is providing here. But here’s another, even sadder indication: NBC just canceled the show, so the episodes shown this summer will be the series’ last. The Carmichael Show deserved better – and almost everything on NBC’s schedule for fall, at this point, is worse.