ALT A woman says "it's weird how 9/11 became a national holiday." Another woman, aghast, says "Oh No! That means..." We see Jack Skellington in the woods beyond Halloweentown approaching a tree with doors shaped like the World Trade Center. He emerges from an airplane bathroom in front of a bunch of terrified passengers and says "what's this?" We see the plane about to crash into tower one. Jack once again asks "what's this?"