Chain Reaction. Copyright: BBC.

Chain Reaction

BBC Radio 4 chat show in which the guest is next week's interviewer. 70 episodes (12 series), 2004 - 2017.

Series 12

Chain Reaction. Image shows from L to R: Sara Cox, Joe Lycett. Copyright: BBC.

1. Sara Cox interviews Joe Lycett

First broadcast: Monday 13th February 2017

Sara Cox's interview pick is Joe Lycett because "he makes me happy" and because someone needed to finally chart his much discussed journey "from Birmingham to 10th hottest man in the world".

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Chain Reaction. Image shows from L to R: Joe Lycett, Katherine Ryan. Copyright: BBC.

2. Joe Lycett interviews Katherine Ryan

First broadcast: Monday 20th February 2017

Joe Lycett asks some questions of Canadian stand-up star Katherine Ryan. Katherine fields questions on subjects as varied as being compared to Joan Rivers and the secret of happiness, all via a mini-detour to address her hatred of bread.

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Chain Reaction. Image shows from L to R: Sara Pascoe, Katherine Ryan. Copyright: BBC.

3. Katherine Ryan interviews Sara Pascoe

First broadcast: Monday 27th February 2017

Katherine Ryan turns interviewer and invites her chosen guest Sara Pascoe into the hot seat. In this programme Katherine and Sara, who both started stand-up in 2007, discuss insects, yoga, hip hop and everything in between.

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Chain Reaction. Image shows from L to R: Sara Pascoe, Harry Hill. Copyright: BBC.

4. Sara Pascoe interviews Harry Hill

First broadcast: Monday 13th March 2017

Sara Pascoe talks to the very first comedian that she ever saw live - Harry Hill. Sara and Harry discuss Gogglebox, constructive criticism, remaking The Godfather and the merits of sharks.

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Chain Reaction. Image shows from L to R: Harry Hill, Tim Vine. Copyright: BBC.

5. Harry Hill interviews Tim Vine

First broadcast: Monday 20th March 2017

Harry Hill takes on interviewing duties and invites his chosen guest Tim Vine into the hot seat. Together they discuss Tim's teenage dreams of being a pop star, giant moths and the roots of Tim's act.

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Chain Reaction. Image shows from L to R: Tim Vine, Ken Dodd. Copyright: BBC.

6. Tim Vine interviews Sir Ken Dodd

First broadcast: Monday 27th March 2017

In the final edition of this series, Tim Vine arrives in Liverpool to interview a bone fide comedy legend - Sir Ken Dodd. Recorded at the Bluecoat in Liverpool, Tim talks to Ken about his long career, the length of his live shows, and performs a Liverpudlian version of Hamlet.

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