Chain Reaction

'Chain Reaction' is the entertaining BBC Radio 4 tag talk show where this week's guest is next week's interviewer. Famous names from the world of showbusiness choose who they would like to chat to, and must submit to being questioned in their turn the week after. In this eighth series, guests (and hosts) include Catherine Tate, David Tennant, Richard Wilson, Arabella Weir and Paul Whitehouse.