The David Tennant Treat 4 Today is the fourth and final episode of the first series of Believe It!
In May 2012 David Tennant was one of the cast in a BBC Radio Four comedy called Believe It! This was a four part series which was an exaggerated version of Richard Wilson's life with the main character being played by Richard.
Episode four is called Power where 'Richard Wilson reveals whether power drives people mad.'
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