One of the best documentary on the 9/11 Truth called Loose Change. This is the 2nd Edition.
In the video below, Jeff Kings an MIT Professory explains why the twin towers could not have collapsed without explosives.
September 11 Revisited : Controlled Demolition of the three world trade centre buildings.
David Ray Griffin Exposing the lies on the 9/11 Commission
The Road to Tyranny – by Alex JOnes: One of the best documentaries on 9/11 cospiracy. It takes you back way back in time to explain how governments have killed their own citizens to justify wars…also looks into the Oklahoma bombing proving it was not just hit by one truck with a bomb but there were multiple explosions were from inside the buliding just like the twin towers in 2001!
Video showing analysis and discussion on the three planes that hit the twin towers and the pentagon and the disappearing flight 93.