When Patricia Brake shows her first answer, there's an offscreen noise that sounds like one of the other panellists (possibly Lennie Bennett) accidentally knocking over their glass of water.
When Terry goes to touch the hair band in contestant Carole Shammitt's hair, she backs away, much to the amusement of the panel.
The jacket that Lennie Bennett wears, made up of black dots, causes distortion patterns on the camera. What appears to be a different jacket but with a very similar pattern is worn by Lennie in Episode #3.10 (1980), which again produces the same effect.