 When the film was originally released theatrically, a Scratch &  Sniff stunt called "Odorama" was used. Special numbered cards, each  representing a particular smell, were available with kids meals at  participating Burger King restaurants and separately at Blockbuster  Video stores. Participants picked up the cards, then took them to  the movie theater showing the film. When a particular number flashed  on the screen, viewers scratched off the scent that had that  particular number on it. Numbers flashing in red mean that the  viewer should find the corresponding number on their card  (glow