Gyles Brandreth presents the third quarter-final of the quiz without questions. Two teams face the Knowitall Experts - the categories are art and literature, science and history. Show more

Gyles Brandreth presents the last of the quarter-finals of the quiz without questions. The categories are food and drink, human biology, and entertainment. Show more

Tension mounts as Gyles Brandreth presents the first of the semi-finals of the quiz without questions. The categories are sport, entertainment and science. Show more

It's the last chance to win a place in the finals as Gyles Brandreth presents the second of the semi-finals of the quiz without questions. Show more

Gyles Brandreth presents the grand final of the quiz without questions. The categories are entertainment, business, politics and natural history. Show more

Gyles Brandreth presents the quiz without questions. Two teams must face the Knowitall experts - the categories are science, history and entertainment. Show more

Gyles Brandreth presents the quiz without questions. Two teams must face the Knowitall experts - the categories are entertainment, sport, and business and politics. Show more

Gyles Brandreth presents the quiz without questions. Two teams have their breadth of knowledge tested by the Knowitall experts, including Springwatch presenter Chris Packham. Show more

Gyles Brandreth presents the quiz without questions. Two teams must face the Knowitall Experts - the categories are Food and Drink, Entertainment, and Business and Politics. Show more

Gyles Brandreth presents the quiz without questions. Two teams have their breadth of knowledge tested by the Knowitall experts, including Springwatch presenter Chris Packham. Show more

Gyles Brandreth presents the quiz without questions. Two teams must face the Knowitall Experts - the categories are art and literature, human biology and sport. Show more

Gyles Brandreth presents the quiz without questions. Two teams must face the Knowitall Experts - categories are travel and geography, food and drink and art and literature. Show more

Gyles Brandreth presents the quiz without questions. Two teams have their breadth of knowledge tested by the Knowitall experts, including Springwatch presenter Chris Packham. Show more

Gyles Brandreth presents the quiz without questions. Two teams must face the Knowitall Experts - categories are travel and geography, sport and business, and politics. Show more

Gyles Brandreth presents the quiz without questions. Two teams have their breadth of knowledge tested by the Knowitall experts, including Springwatch presenter Chris Packham. Show more

Anne Robinson presents the quick-fire general knowledge quiz in which contestants must decide at the end of each round which of their number should be eliminated.

Anne Robinson presents the quick-fire general knowledge quiz in which contestants must decide at the end of each round which of their number should be eliminated.

Anne Robinson presents the quick-fire general knowledge quiz in which contestants must decide at the end of each round which of their number should be eliminated.

Anne Robinson presents the quick-fire general knowledge quiz in which contestants must decide at the end of each round which of their number should be eliminated.

Anne Robinson presents the quick-fire general knowledge quiz in which contestants must decide at the end of each round which of their number should be eliminated.