Ah, the classic!!!
To prove I'm a fan, it was the third season, episode 66 I believe....
"9/11 Lessons From Star Trek
Brilliant video by ThoughtCrime7 - ThoughtCrime7's channel: http://www.youtube.com/watch?v=lIs9eEB6IG8 From the Star Trek episode "Day of the Dove". It seems that Gene Roddenberry knew something about false flag operations
Brilliant is an appropriate adjective.
Btw, the same theme is also prevalent in: Star Trek VI: The Undiscovered Country
Also see: Where No Reporter Has Gone Before
What Is Wrong With Hollywood
Breaking News: Boston Globe Calls For 9/11 Truth (and related links)