An associate professor at the University of Minnesota was expelled from a free screening of the movie "Expelled." P.Z. Meyers was interviewed in "Expelled," and even thanked in the movie's credits but was not allowed to see the first screening.
Well, if you want to hear the story from Mr. Meyers himself, you can read this post. His follow-up post:
Still straining to find an excuse is also a nice read. Got Meyers' photo from Greg Laden's blog.