2/4 A search for the secrets behind the Zulu's cultural power and military strength. (R)
10/25 Michael Portillo uncovers the oil fields hidden underneath England's seaside resorts. (R)
BBC Two Wales only
BBC Two except Scotland, Wales
1/4 The remarkable story of Lord Castlereagh, the Irish-born British Foreign Secretary.
BBC Two Northern Ireland only
Monday 7 October 2013