ANDREW MARR'S

THE MAKING OF MODERN BRITAIN

Episode 1 (1901-1905)
Episode 2 (1905-1914)
Episode 3 (The Great War)
Episode 4 (The 1920s)
Episode 5 (The 1930s)
Episode 6 (The Second World War)

ANDREW MARR'S

THE HISTORY OF MODERN BRITAIN

Episode 1 (1945-55)
Episode 2 (1955-65)
Episode 3 (1965-75)
Episode 4 (1975-1990)

The links lead you to part 1 of the corresponding episode, which you can watch directly in Youtube. Parts 2 to 6 of each episode can be reached from the right "Suggestions" column on the Youtube page (normally the next episode is the first video suggested in that column).