Stephen Fry revealed that there is one panelist who insists on seeing the questions in advance so that he or she can prepare their answers. Fry refused to name the person but did confirm that it was neither Alan Davies nor Rob Brydon.
Stephen Fry and Alan Davies were originally cast as the leaders of the "clever" team and the "stupid" team, respectively. Michael Palin was asked to be the host, but he didn't feel he was right for the role. After Fry and Davies settled into their roles, the idea of having two teams was discarded.
There have been several attempts to broadcast the series in the United States. Comedy Central, PBS, Discovery Channel and BBC America all showed an interest. But the main issue preventing this is the cost of clearing the rights for the many pictures shown on the screens in the background. They are cleared for UK usage only.
Each series has questions related to a subject matter beginning with a corresponding letter (i.e. in the first series, every question was related to things beginning with A, the second series used the letter B, etc.).