Andrew Marr's History of Modern Britain
Writing about web page http://www.bbc.co.uk/iplayer/page/item/b00brnr1.shtml
Andrew Marr's History of Modern Britain was on first shown around this time last year. If you didn't see it then it's well worth a watch. There's five episodes, the first of which is linked, covering how the country has changed since the end of the second world war.
The Greasemonkey inclined may find their iPlayer experience enhanced by this script which opens the current iPlayer page in a chromeless window just big enough to contain the actual player, as depicted in this here jpeg, which you can shove to one side of the screen and/or 'float on top' should your GUI of choice offer such a capability.