The Book of General Ignorance round differs, in particular during the Christmas specials. During the course of the "B" Series special, Fry and Davies swapped places for "General Ignorance", with Fry attempting to answer questions ostensibly written by Davies to stump him. During "D"s Christmas Special, all the "GI" questions revolved around saints. "The Book of General Ignorance" contains a list of 230 questions, most of which previously appeared in episodes of "QI". Each question explains the correct answer, and usually attempts to show why people tend to make the wrong assumptions, or believe certain myths. Each book contains two forewords, one by Fry, the
Deal or No Deal (UK game show) based run, which ended on 11 December 2016. The special "Deal or No Deal On Tour" episodes aired from 12 to 23 December 2016, officially bringing "Deal or No Deal" to an end. Episodes have been broadcast as follows: Many seasonal episodes of "Deal or No Deal" have aired, with themes including Halloween week, Guy Fawkes Night, Christmas, Valentine's Day/Love week, Easter and the Banker's birthday week and Summer specials. Many special episodes have themed games that can be played at the 5-box stage, where the contestant may be able to win a holiday. Games may also allow the contestant