The National Archives Website has lots of original source video material from the Cold War.
BBC bitesize has excellent short videos that go beyond the period but still useful.
The CNN series on the Cold War is excellent and can be found here.
In addition to the above, the following lists key events and themes of the Cold War, 1945-62
Marhall Plan, announced June 1947
Korea 1950 – The Cold War becomes a Hot War
RGS History 