i took the tour on my second visit to California in 1978. At the time of the big game show rush. At the time NBC in beautiful downtown Burbank was booming with a number of game shows, including Hollywood Squares, High Rollers, Card Sharks, etc.produced there. Also Bob Hope,and the Midnight Special was still well in production there. I saw the tonight show with Johnny Carson there. It was a great tour at the time. I took the tour again in 2010, and it was not the same. Only 3 shows were produced there. The Tonight Show with Jay Leno, Access Hollywood, and Days of our Lives and local news. Not much else.