Charlie Ross is in Hertfordshire, where experts Roo Irvine and Tim Weeks guide the teams on their hunt while Charlie learns about the fascinating world of espionage. Show more
Discover 11,128,835 listings and 278,242 playable programmes from the BBC
Charlie Ross is in Hertfordshire, where experts Roo Irvine and Tim Weeks guide the teams on their hunt while Charlie learns about the fascinating world of espionage. Show more