Like most Broadway fans, we love seeing our stage favorites on TV. Shows like Law and Order (all versions!), Blue Bloods and The Gilded Age are a treasure trove of star sightings. Back in the day (and I'm showing my age here), lots of shows, like The Carol Burnett Show and Laugh-In featured stage stars because they were a prominent part of popular culture. I've recently become obsessed with a 60's show, That Girl…