The October 21, 2001 Edition of Heat is a Professional wrestling television show of the WWE, which took place at the Savvis Center in St. Louis, Missouri. It was live on October 21, 2001 as the lead-in program for No Mercy 2001.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- The APA (Bradshaw & Faarooq) defeated Chris Kanyon & Hugh Morrus
- Billy Kidman (c) defeated Scotty 2 Hotty to retain the WCW Cruiserweight Championship