A rare instance of a Pointless contestant getting 100 points for a correct answer, as every one of the 100 surveyed people knew the answer. As far as I know, there are two other instances of contestants giving 100-point correct answers, which can be seen in the two links below:
https://www.youtube.com/watch?v=CzZXTXKozVg
https://www.youtube.com/watch?v=vgoqlw4UNBc
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