Episode 4 Mastermind : Season 38 Episode 4
BBC Two 30m
Aired: December 2nd, 2011 @ 7:30 PM EST on BBC Two
John Humphrys puts questions to four more contenders. Subjects are: The Richard Hannay novels of John Buchan; the Peak District; aircraft of World War II; Billboard no 1 singles, 1955-1994.
