Adam Curtis at Wikipedia.

Also available at the Internet Archive.

The Century of the Self Wikipedia entry

The Power of Nightmares Wikipedia entry.

Adam Curtis Google Video Collection

The Trap (2007)

Part 1

Source at Google Video

Part 2

Source at Google Video

Part 3 (In three parts)
a

Source at Google Video

b

Source at Google Video

c

Source at Google Video

The Power of Nightmares (2004)

Part 1

Source at Google Video

Part 2

Source at Google Video

Part 3

Source at Google Video

The Century of the Self (2002)

Part 1

Source at Google Video

Part 2

Source at Google Video

Part 3

Source at Google Video

Part 4

Source at Google Video