When the revolving set spins round to reveal the second set of contestants, it appears to judder, then spin back slightly.
The second female contestant is noticeably uncomfortable, not picking up on Terry's cues to reveal her last name, and giving stilted replies to all of his questions.
Lennie Bennett refers to an offscreen crew member holding up a sign reminding the panellists to switch their lights on, claiming he can "see her knickers".