2. 1940-1965

In the second of this three-part series, George Alagiah tells the story of the GI babies labelled war casualties, the boom in mixed-race couples following mass migration and how Sixties trendsetters crossed the racial divide.

3. 1965-2011

In the last of this three-part series, George Alagiah tells the story of couples facing violence on the streets during the 70s, how adoption became a battleground and how mixed race became one of Britain's fastest growing ethnic groups.