I was on TV tonight. Admittedly, I was only in the audience, I didn't speak, and in fact you only catch a very brief glimpse of me as the camera pans across the audience (I was sat back left), but I was at the BBC studio in Glasgow for the filming of an episode of Newsnight Scotland focused on the arts. (I believe anyone in the UK can watch for the next week here.)
I was surprised how much waiting around there was. We were told to turn up around 5:45 and certainly by 6:15, for filming to start at 7:30. I assumed we'd get some extensive briefing or something but for the most part we did nothing until around 7 (though those who had been pre-selected to ask questions may have received some further advice).