For those who didn’t see this in the Sun on Sunday, the video shows a 12 year-old John Bercow, in his Finchley Manorhill School uniform competing on Crackerjack. Crackerjack ran for 29 years, and 451 shows. Top game was a quiz, with prizes won for a right answer and cabbages for a wrong one. No-one lost — everyone got a coveted Crackerjack pencil. Whenever the host – Ed Stewpot in this case – said the word “crakerjack” the studio audience shouted back in panto fashion “crackerjack”. This was interactive television…

Guido suspects that MPs of a certain age will not be able to restrain themselves from shouting the catchphrase…