Zero: An Investigation Into 9/11
- År: 2008
- Land: Italy
- Genre: Dokumentär
- Studio: Telemaco, TPF Telemaco, theGLAV
- Nyckelord: 9/11, twin towers
- Direktör: Francesco Trento, Franco Fracassi
- Kasta: Dario Fo, Gore Vidal, Tim Sparke, Nafeez Mossadeq Ahmed, Brian Clark, Louie Cacchioli