Raw 10/29/01 – Hurricane Helms & Mighty Molly defeated Tajiri & Torrie Wilson (non-Halloween themed)
Television Captures | Watch Video

SD 10/31/02 – Trick or Treat Match – Torrie the Dominatrix defeated Dawn Marie the Cop in a Chocolate Pit surrounded by food.
Television Captures | Watch Video

SD 10/30/03 – Trick or Treat Match – Torrie the Bunny defeated Dawn Marie the Wonder Woman in a Costume Contest & bobbing for apples in chocolate surrounded by Halloween props.
Television Captures | Watch Video

SD 10/28/04 – Trick or Treat Match – Torrie the Fairy vs Dawn Marie the Nurse in a Costume Contest. Jackie interferes.
Television Captures | Watch Video

Raw 10/31/05 – Torrie was to take part in the Costume Contest w/ Victoria, Candice, Maria, Trish, Ashley and Mickie but was off Raw for personal issues. She also missed the Cyber Sunday Lingerie Battle Royal a few weeks prior.

Raw 10/30/06 – Torrie was backstage w/ Carlito. ECW had the Costume Contest that year. Television Captures

Sunday & Monday back to back, Torrie was a Washington Redskins Football player in the Cyber Sunday Halloween Costume Contest that Mickie won. On Raw, she was a Philadelphia Eagles Football player in a Costume Battle Royal. Kelly won.
Cyber Sunday PPV 10/28/07 – Television Captures | Watch Video
Raw 10/29/07 – Television Captures | Watch Video

Torrie left the WWE in early 2008 but WWE has continued Halloween themes, everyone can thank Torrie Wilson & Dawn Marie!