I’ve been twice: once in 1980, and the second time in 1988. Each time, we scored the trifecta: all of Johnny, Ed McMahon, and Doc Severinson were there.
As I recall, getting in was almost an all-day affair. You lined up at NBC Studios Burbank early in the morning, in hopes of getting a ticket. They started giving them away at (IIRC) 8:30 AM, and they gave out more tickets than there were seats, so we were told that if we wanted to get in, we had to return early, in order to line up for the 5:00 PM taping. I believe that each time, we did nothing more exciting than visit a local park for a walk and went for some lunch. We returned to NBC at about 2:30, and there was already a lineup, though not a long one. As time went by, it grew longer, though, and I doubt the people at the end of it got in, despite having tickets.
Each time, we got in, and had decent seats. The studio was a lot smaller than I expected, and there is no balcony in the seating. But the sets were there: the desk, the curtain, and the band’s area, just like you’d see on TV. Some NBC employee told us all to behave–no heckling, no inappropriate behaviour, or the like, or we would be forced to leave; although laughter and applause were always welcome. Eventually, the musicians came in and tuned up. Johnny himself came out to say hello. He took a few questions, thanked us for coming, and hoped we enjoyed the show.
Then the taping began, and it went pretty much like you’d see on TV. There were no retakes. I don’t recall all the guests I saw, but I do recall Tony Randall, jazz singer Joe Williams, and then-mayor of LA Tom Bradley. Interestingly, Johnny and his guest may have been seen quietly chatting going into a commercial, but once they cameras were off, they stopped, and the guest and Johnny just sat quietly. During commercial breaks, the band played for us in the audience, and they were excellent–they weren’t used enough in the broadcast, in my opinion, but they sure entertained us during the commercial breaks.
One of the times I was there, when the Tonight Show was over, we in the audience were offered a choice: we could leave, or we could stay to be the audience for a Bob Hope special. Most of us stayed, and got to hear a Bob Hope monologue, and watch a few comedy sketches featuring him and others. Hope’s monologue was side-splittingly funny, and lasted 45 minutes, later edited down to 10 minutes when I saw the special a couple of months later.
Although an almost all-day affair, it was worth it each time. I think I still have one of my Tonight Show tickets somewhere.