Chain Reaction was a BBC Radio 5 long running talk show (with a kind of tag team format) that moved to BBC Radio 4 in 2004.

The tag team idea means that someone chooses a person that they would like to interview – then that person does the same, yada yada.

The episode on December 30^th 2004 was Jenny Eclair choosing Jimmy Carr and then his choice was Matt Lucas (broadcast January 6^th 2005).

The 30 minutes episodes are still available to listen to on the BBC site (but you will have to sign in). With the Archive.org links you can just click and listen.

• Jenny / Jimmy – BBC here – or on Archive.org
• Jimmy / Matt – BBC here – or on Archive.org

Or you can sign up to Listening Books.