Olympic swimming champion and I'm a Celebrity camper Rebecca Adlington, Daybreak's Kate Garraway, 5ive singer Ritchie Neville and TV chef Rosemary Shrager compete to win thousands of pounds for charity. Pitting their general knowledge against one of the show's resident trivia experts, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts.

Astrologer Russell Grant, Atomic Kitten singer Liz McClarnon, Loose Women's Sherrie Hewson and entertainer Des O'Connor compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts
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Emmerdale actor Christopher Bisson (Jai Sharma), retired rugby player Gareth Thomas, BBC Breakfast presenter Naga Munchetty and McFly drummer Harry Judd compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts

Choreographer Arlene Phillips, TV garden designer Diarmuid Gavin, Countryfile presenter Helen Skelton and comedian Micky Flanagan compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts

Dancing on Ice judge Karen Barber, TV presenter Dick Strawbridge, Coronation Street's Catherine Tyldesley (Eva Price) and comedian Russell Kane compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts

Former I'm a Celebrity campmates Eric Bristow and Nadine Dorries, Emmerdale's Sammy Winward (Katie Addyman) and comedian Ed Byrne compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts

Comedian Vic Reeves, presenter Jenni Falconer, broadcaster Michael Buerk and impressionist Francine Lewis compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts

Loose Women's Andrea McLean, football pundit Robbie Savage, Liberty X singer Jessica Taylor and comedian Rory McGrath compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts

Boyzone's Shane Lynch, former athlete Colin Jackson, Emmerdale actress Fiona Wade (Priya Sharma) and comedian Stephen K Amos compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts

Coronation Street's Antony Cotton (Sean Tully), co-host of The One Show Alex Jones, writer and broadcaster Gyles Brandreth and Flog It! presenter Paul Martin compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Presented by Bradley Walsh

Dancing on Ice judges Jason Gardiner and Ashley Roberts, Birds of a Feather actress Linda Robson and pantomime star Christopher Biggins compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Presented by Bradley Walsh

Veteran newsreader Alastair Stewart, Atomic Kitten's Natasha Hamilton, TV cleaner Kim Woodburn and presenter Keith Chegwin compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Presented by Bradley Walsh

Strictly Come Dancing's Anton Du Beke, West End star Denise Van Outen, politician Diane Abbott and former footballer Matt Le Tissier compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Presented by Bradley Walsh

New series. Impressionist Jon Culshaw, actress Tina Malone (Shameless), Daybreak's Hilary Jones and Sky Sports presenter Charlotte Jackson compete to win thousands of pounds for charity by pitting their general knowledge against one of the show's resident trivia experts. However, they must work as a team to build their prize pot and stay one step ahead of the Chaser. Bradley Walsh hosts