Chain Reaction episodes available now on BBC iPlayer

5/6. Kevin Eldon, interviewed by John Cooper Clarke last time, talks to comedian Mark Steel.

4/6. John Cooper Clarke interviews Kevin Eldon in Radio 4's tag-team interview show.

3/6. Peter Hook, who was interviewed by Simon Day last time, talks to John Cooper Clarke.

2/6. Simon Day, who was interviewed by Rhys Thomas last time, talks to Peter Hook.

1/6. Radio 4's tag-team interview show. Rhys Thomas interviews Simon Day.

6/6. Stephen Merchant interviews Jarvis Cocker.

5/6. Political satirist Harry Shearer interviews co-creator of The Office Stephen Merchant.

4/6. Entertainer Ruby Wax interviews voice of The Simpsons and political satirist Harry Shearer

3/6. Comedian Ade Edmondson interviews sharp-tongued American entertainer Ruby Wax.

2/6. Lee Mack interviews fellow comedian Ade Edmondson.

1/6. Actress and impressionist Ronni Ancona interviews comedian Lee Mack.

1/4. Catherine Tate takes the host's chair as she talks to David Tennant.

6/6. Alistair McGowan interviews the actor Simon Callow.

5/6. Alastair Campbell interviews impressionist, comedian and actor Alistair McGowan.

4/6. Eddie Izzard interviews former Labour spin doctor Alastair Campbell.

3/6. Frank Skinner interviews Eddie Izzard.

2/6. Dave Gorman interviews fellow comedian Frank Skinner.

1/6. Robert Llewellyn interviews comedian Dave Gorman.

4/4. Arabella Weir talks to Paul Whitehouse about his career in comedy.

3/4. Richard Wilson talks to Arabella Weir.

2/4. David Tennant talks to Richard Wilson.