Mark Watson concludes his quest to improve the world.

As broadcast live in December 2011 - he invites the audience join in via tweets and messages to work out how we can all make the world a better place.

He's nimbly assisted by:

Tim Key
Tom Basden.

This time Mark looks at "Goodwill".

Quite a few years ago Matt Damon and Robin Williams went Good Will Hunting. Now Mark and co finish the job by finding it, as the final show takes on a festive aspect.

What is goodwill?

How we can incorporate it into our lives?

Is it better than ill-will? (SPOILER: it is).

Producer: Lianne Coop.

First broadcast on BBC Radio 4 in December 2011. Show less