- Promotion World Wrestling Entertainment
- Event Type Pay Per View
- Event Date October 3, 2004
- Brand SmackDownSmackDown Exclusive
- Event Series No Mercy
- Year 2004
- Country United States
- Location East Rutherford, New Jersey
- Arena Meadowlands Arena / IZOD Center / Continental Airlines Arena
- Attendance 10,000
- Network On-Demand
- Running Time 3 hours
- Theme Song "No Mercy" by Jim Johnston
- Main Event John "Bradshaw" Layfield vs. The Undertaker
- Arena in Videogame WWE SmackDown! vs. Raw 2006, WWE Day Of Reckoning 2, WWE WrestleMania 21
- Watch on WWE Network WWE No Mercy 2004
EVENT RESULTS
- [Sunday Night Heat]
Mark Jindrak defeats Scotty 2 Hotty - Eddie Guerrero defeats Luther Reigns
WWE Cruiserweight Championship
Spike Dudley (c) defeats Nunzio to retain the title- Billy Kidman defeats Paul London
WWE Tag Team Championship
René Duprée & Kenzo Suzuki (c) defeat Rey Mysterio & Rob Van Dam to retain the titles- Big Show defeats Kurt Angle
WWE United States Championship Best of 5 Series - Match #5
John Cena defeats Booker T (c) (3-2) to win the title- Charlie Haas, Rico & Miss Jackie defeat The Dudley Boyz (Bubba Ray & D-Von Dudley) & Dawn Marie
WWE Championship Last Ride Match
John Bradshaw Layfield (c) defeats The Undertaker to retain the title