The closing credits differ from the film as originally shown on ABC. The current version has the credits sped up (as is common in TV cuts), with the music fading out and the antagonist's laugh coming at the end.
In the original cut, the antagonist laughs first, then the credits roll at normal speed, and the music is different, being similar to that played over the Executive Producer credits at the beginning of the film, orchestrated differently and rising to a crescendo at the end.
[prologue] Within the last thirty years just off the East coast of the United States more than a thousand men, women and children have vanished from the face of the Earth. No one knows how. Or Why. This is one explanation...