Liz's bank account is in such a bad state that bank manager Mr Atterbury asks George to get his wife to bank elsewhere. Her arithmetic is so bad that George decides she should go to night school. However, Mr Atturbury is shocked when he discovers that Liz Cooper is entered in to a math contest to represent the night school in a competition that he has to judge. How could this be, uh oh it seems that George completed her homework for her. Not wanting to be shown up Mr Atturbury makes sure he gives her very easy questions! 

This is an hilarious episode!