Season 23 of House of the Dragon premiered on December 23, 2024.

More celebrities brave the famous black chair.

Season 21 of House of the Dragon premiered on November 5, 2022.

Season 20 of House of the Dragon premiered on February 5, 2022.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

John Humphrys presents the celebrity version of Britain's toughest quiz.

Celebrities take on the ultimate intellectual challenge.

Season 4 of House of the Dragon premiered on December 28, 2005.

Season 3 of House of the Dragon premiered on December 26, 2004.

Season 2 of House of the Dragon premiered on July 23, 2004.

Season 1 of House of the Dragon premiered on December 26, 2003.

Season 0 of House of the Dragon premiered on December 30, 2002.