Around the 17'20m mark, Dickie Henderson briefly - yet clearly - displays his answer card reading "Matting" when turning it over before Terry asks the contestant his answer. Had the contestant been looking at Dickie at this moment, he could have used the opportunity to pick up an easy point.
Around the 24 minute mark, Elaine Stritch begins clapping and looking joyous after a contestant has said his answer, clearly revealing that she's written down a correct match. Terry jokes "you don't play poker by any chance, do you?"