Johnny Ball , BBCl's own obscurantist pentadactyl, impartially tries to defeat the panel by introducing a cannoneer, a lapidarist, a near-cleidologist and even a yukky-gateauphile. Can Anna Kipling Julie-Ann Steel
Valentine Nonyela and Marshall Coleman link hobby with hobbyist in less than ten 'nos'? And who will be the victim of this week's secret word?
