Lilo & Stitch: The 9/11 Conspiracy.

[Glebe]

Watch How 9/11 Changed The Ending of Disney's 'Lilo & Stitch'.

Interesting... probably the most famous example of a film being altered because of the 9/11 attacks is Spider-Man... here's the orignal teaser trailer and the first poster:

Men in Black 2 was another film that had to make some changes due to the fact that it also originally featuring the World Trade Center, while the release of Schwarzenegger vehicle Collateral Damage was delayed, featuring as it does a major terrorist attack on America soil (that could never happen!). The above article links to this interesting Wiki page:

List of entertainment affected by the September 11 attacks.

[Dr Syntax Head]

I liked the music in that Lilo and Stitch video