Three contestants, plucked at random from the studio audience, are each asked a trivia question. One of them is secretly given the correct answer, whilst the other two have to make up a plausible-sounding answer on-the-spot. A fourth contestant must then guess who has the correct answer in order to win a unique prize. Whoever is chosen, regardless of whether they were lying or not, instantly wins £1000. At the end of each episode, one of the day's contestants gets the chance to play for the "Pick of the Day" star prize.
Who's got the prize, and who's telling lies?