It's the Battle of the Duds! Former losing contestants make a not-so-triumphant return to reclaim the victory they never had. Tom welcomes back experts on French and Saunders, Tiger Woods, Calculus and the Brooklyn Bridge.

Vying for Hard Quiz honours are experts on Silverchair, the women's suffrage 'Monster Petition', William the Conqueror, and classic Aussie film favourite The Castle. Which lucky contestant will earn the Big Brass Mug?