I'd have to say Raisin in the Sun. I Loved when they all took their bows and then broke character to do a little dance. It was fun.
And Hairspray had a great CC, with Vilanch being so huge.
"Do you know what pledge time is, Andrew"? said the PBS Executive.
"Yes", Lloyd Webber replied. "My 50th birthday special must be one program that gets done a lot."
"No", mused the man from PBS heedlessy. "Not so much. Our Stephen Sondheim Carnegie Hall concert. That's a big one."
Spoons, forks and knives seemed suddenly to suspend their motion in horror, all around the table.