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A couple of weeks ago, I joked that Discovery Networks seems to have every little person in America under contract for a reality show. They do seem to be fascinated with the lives of people with dwarfism, aren't they?

The company's various channels have explored primordial dwarfism, followed a little couple as they adopted an Eastern European baby with dwarfism, and followed a third little couple during the wife's pregnancy. They've also decided to build a series around a little couple who own a chocolate shop in Salt Lake City ('The Little Chocolatiers') and a little person who rescues pit bulls ('Pit Boss'). And the family who started TLC down this road, the Roloffs, are still cranking out episodes of 'Little People, Big World.'

Of all these shows, I've always liked 'The Little Couple' the best. I'm not sure if it's because it's so unrelentingly normal or that Bill Klein and Jen Arnold make such a charming couple. Either way, it's good to hear that TLC has renewed the show for a third season.