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Victoria Coren Mitchell presents the brain-teasing quiz where knowledge only gets you so far – logic and lateral thinking are the vital extra ingredients.

In the opening heat of the series, three data-lovers take on a team of Terry Pratchett fans, all striving to establish a connection between things that, at first glance, seem utterly random.

For example, what connects the following: Micro-eon, Guinea-tail, Greedy-let, Peppa-ment?