6/6. The B Words. Liza Tarbuck explores the origins of the phrase "back to square one", Victoria Coren looks at bingo lingo - just who were the two fat ladies? And historian Felipe Fernandez-Armesto is on the trail of the first intellectuals to be called boffins. A special update of the series will be shown at Easter. Series editor Archie Baron ; Exec producer Neil Cameron RT DIRECT: the book Balderdash & Piffle is only £11.50 incl p&p (UK delivery only). To order, call [number removed] (landline calls 8p per min max) quoting RT or visit www.rtdirect.sparkledirect.com