In the United States , since the film was released on September 28 , 2001 ( about two weeks after the 9/11 attacks on the World Trade Center ) , Stiller made the executive decision to digitally remove any backgrounds that originally contained the Twin Towers in the background skyline . Stiller defended his decision to erase images of New York 's World Trade Center Towers from the film , saying he did what he thought was appropriate at the time
9/11 attacks
September 11 attacks
Zoolander