As Matt said, it's fairly rare for PBS to show Broadway these days -- usually no more than once or twice a year and TRUST ME, if you read this board, you'll know exactly what the air dates will be.
Quite a difference from when I was a kid in the 80s and American Playhouse would film and show four or five plays a year (sometimes more).
I believe the next show scheduled is the all-star concert of Sondheim's PASSION, which will be airing on PBS March 31st.
"What a story........ everything but the bloodhounds snappin' at her rear end." -- Birdie
[http://margochanning.broadwayworld.com/]
"The Devil Be Hittin' Me" -- Whitney