I don't know that, but maybe you could answer why the show is LIVE at 10.35pm and yet when they do sections which take place outside, it is always light.
To be fair they never say it's a live show - it's recorded 4 hours before it's broadcast. I would assume that very little happens during the break, maybe someone powders Graham's nose and re-arranges the cue-cards, not much else.
everyone sits there for 5 minutes while they play the adverts onto the VHS the show is recorded on to. Graham tends to sit and chat to his guest with the mics off and the warm up guy comes out to keep the spirits up.