Naga Munchetty, Jordan Stephens, Sally Lindsay and David O'Doherty take on a series of challenging quiz games selected by the host, teatime quiz legend Richard Osman.

Naga Munchetty, Jordan Stephens, Sally Lindsay and David O'Doherty take on a series of challenging quiz games selected by the host, teatime quiz legend Richard Osman.

Naga Munchetty, Jordan Stephens, Sally Lindsay and David O'Doherty take on a series of challenging quiz games selected by the host, teatime quiz legend Richard Osman.

Naga Munchetty, Jordan Stephens, Sally Lindsay and David O'Doherty take on a series of challenging quiz games selected by the host, teatime quiz legend Richard Osman.

Naga Munchetty, Jordan Stephens, Sally Lindsay and David O'Doherty take on a series of challenging quiz games. One of the week's celebrities is crowned champion.

Richard Osman hosts as comedian Ellie Taylor, actor and writer Steve Pemberton, presenter Fern Britton and comedian Josh Widdicombe test their general knowledge skills.

Richard Osman hosts as comedian Ellie Taylor, actor and writer Steve Pemberton, presenter Fern Britton and comedian Josh Widdicombe test their general knowledge skills.

Richard Osman hosts as comedian Ellie Taylor, actor and writer Steve Pemberton, presenter Fern Britton and comedian Josh Widdicombe test their general knowledge skills.

Richard Osman hosts as comedian Ellie Taylor, actor and writer Steve Pemberton, presenter Fern Britton and comedian Josh Widdicombe test their general knowledge skills.

Richard Osman hosts as comedian Ellie Taylor, actor and writer Steve Pemberton, presenter Fern Britton and comedian Josh Widdicombe test their general knowledge skills.

Richard Osman hosts as comedian Shappi Khorsandi, journalist and newsreader Michael Buerk, actress Amanda Abbington and comedian Elis James test their general knowledge skills.

Richard Osman hosts as comedian Shappi Khorsandi, journalist and newsreader Michael Buerk, actress Amanda Abbington and comedian Elis James test their general knowledge skills.

Richard Osman hosts as comedian Shappi Khorsandi, journalist and newsreader Michael Buerk, actress Amanda Abbington and comedian Elis James test their general knowledge skills.

Richard Osman hosts as comedian Shappi Khorsandi, journalist and newsreader Michael Buerk, actress Amanda Abbington and comedian Elis James test their general knowledge skills.

Richard Osman hosts as Shappi Khorsandi, Michael Buerk, Amanda Abbington and Elis James test their general knowledge skills and one is crowned champion.

Richard Osman hosts as actress Beattie Edmondson, journalist Amol Rajan, presenter Gaby Roslin and comedian Hugh Dennis test their general knowledge skills.

Richard Osman hosts as actress Beattie Edmondson, journalist Amol Rajan, presenter Gaby Roslin and comedian Hugh Dennis test their general knowledge skills.

Richard Osman hosts as actress Beattie Edmondson, journalist Amol Rajan, presenter Gaby Roslin and comedian Hugh Dennis test their general knowledge skills.

Richard Osman hosts as actress Beattie Edmondson, journalist Amol Rajan, presenter Gaby Roslin and comedian Hugh Dennis test their general knowledge skills.

Richard Osman hosts as Beattie Edmondson, Amol Rajan, Gaby Roslin and Hugh Dennis test their general knowledge skills. The week's champion is crowned.

Richard Osman hosts as actress Chizzy Akudolu, author and comedian Charlie Higson, historian Kate Williams and comedian Tom Allen test their general knowledge skills.

Richard Osman hosts as actress Chizzy Akudolu, author and comedian Charlie Higson, historian Kate Williams and comedian Tom Allen test their general knowledge skills.

Richard Osman hosts as actress Chizzy Akudolu, author and comedian Charlie Higson, historian Kate Williams and comedian Tom Allen test their general knowledge skills.

Richard Osman hosts as actress Chizzy Akudolu, author and comedian Charlie Higson, historian Kate Williams and comedian Tom Allen test their general knowledge skills.

Richard Osman hosts as Chizzy Akudolu, Charlie Higson, Kate Williams and Tom Allen test their general knowledge skills. The week's winner is crowned.