His major film series:
Pandora’s Box (1992) http://www.youtube.com/watch?v=h3gwyHNo7MI (episode 1 of 6, page has links to following episodes)
The Living Dead: Three Films About the Power of the Past (1995) http://archive.org/details/AdamCurtis_TheLivingDead, http://thoughtmaybe.com/the-living-dead/
The Mayfair Set (1999) http://archive.org/details/AdamCurtis_TheMayfairSet
The Century of the Self (2002) http://archive.org/details/AdamCurtis-TheCenturyOfTheSelf
The Power of Nightmares: The Rise of the Politics of Fear (2003) http://topdocumentaryfilms.com/the-power-of-nightmares/
The Trap: What Happened to Our Dream of Freedom (2007) http://archive.org/details/AdamCurtis_TheTrap
All Watched Over by Machines of Loving Grace (2011) http://topdocumentaryfilms.com/all-watched-over-by-machines-of-loving-grace/
His blog: http://www.bbc.co.uk/blogs/adamcurtis/