When Terry is asking the first female contestant her last name, you can hear him briefly about to say "first". (Her first name, as with all contestants, is on the front of her desk panel.)
The final answer in the second "Supermatch Game" takes so long to be revealed that Terry goes round the back of the game board to prompt it.
Kenny Everett breaks the desk light panel on the top of his desk at the end of the show; however, being Kenny, it's not clear if it was an accident or intentional.