The opening sequence a fan fiction episode Slays Come Undone currently in the works written by Samantha Clark.
Featuring Robert LaRonde as Xander
Amy Myers as Willow
Andrew Fraser as Giles
Leslie Ugolini as Cordelia
Robert Bellissimo as Spike
Vanessa James as Drusilla
Jordan Wade Richards as Various Demons.
Cinematography and Editing by Zak Tatham
Wardrobe, Makeup & Props by Velvet Dockrill
For More info and making of:
Special note from Samantha Clark to Joss Whedon: This project is a loving homage to Buffy. I hope you enjoy it and don't sue me. (I also sent you the script in the mail).