There was a panel for the producers and stars of Big Bang Theory at ComicCon and Phil Plait is posting chunks of his recording of it on his blog. Here's the first chunk.
It's a little lame so far, but one cool snippet is that there's a website called SheldonShirts.com with links to buy the shirts that Sheldon and Leonard wear on the show. My favorite is probably the robot evolution tee:
They also sell belt buckles that Howard wears, such as:
Anyway, the show is pretty funny. If you haven't checked it out, you should.