The week's winner is crowned.

Mark Billingham, Neil Delamere, AJ Odudu and Lucy Porter face more challenging quiz games.

Mark Billingham, Neil Delamere, AJ Odudu and Lucy Porter take on a series of quiz rounds.

Mark Billingham, Neil Delamere, AJ Odudu and Lucy Porter take on a series of quiz rounds.

Mark Billingham, Neil Delamere, AJ Odudu and Lucy Porter test their general knowledge.

The week's winner is crowned.

Richard Osman picks more challenging quiz games for the week's celebrities.

Jayde Adams, Josie d’Arby, Rufus Hound and Scott Mills test their skills.

Jayde Adams, Josie d’Arby, Rufus Hound and Scott Mills face more quiz games.

Jayde Adams, Josie d’Arby, Rufus Hound and Scott Mills test their general knowledge.

The week's overall winner is crowned.

This week's celebrities face their penultimate round of quizzes.

More quiz games await Mike Bushell, Aisling Bea, Sunetra Sarker and Dion Dublin.

Mike Bushell, Aisling Bea, Sunetra Sarker and Dion Dublin take on a series of quiz rounds.

Mike Bushell, Aisling Bea, Sunetra Sarker and Dion Dublin test their general knowledge.

The week's winner is crowned.

The celebrities face their penultimate set of quizzes.

More games await this week's celebrities.

Ade Adepitan, Jean Johansson, Stephen Mangan and Vikki Stone take on a series of quizzes.

Ade Adepitan, Jean Johansson, Stephen Mangan and Vikki Stone test their general knowledge.

The week's champion of champions is crowned.

Hugh Dennis, Sarah Greene, Nish Kumar and Holly Walsh test their general knowledge.

Four previous winners test their general knowledge skills.

Hugh Dennis, Sarah Greene, Nish Kumar and Holly Walsh face more challenging quiz games.

Former winners Hugh Dennis, Sarah Greene, Nish Kumar and Holly Walsh test their skills.