Not quite muppetational: ABC’s ‘The Muppets’ struggles to capture the joy of its characters

Bummer is a good word for much of what I’ve seen so far from The Muppets. The series is lacks the joyfulness, optimism and offbeat feel that made “The Muppet Show,” the early films, and even Jason Segel’s 2011 The Muppets film such a delight. That joy is largely absent here.