Star of popular British quiz show The Chase Shaun Wallace, aka The Dark Destroyer, was put to the test against one of New Zealand's greatest masterminds while in the country to promote his new autobiography.
Before he became the mayor of Whanganui, Hamish McDouall cleaned up on Sale of the Century and Mastermind.
Seven Sharp pitted the two brainiacs against each other in a battle of the titans.
Watch the video above to find out who came out on top.
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