Guerra de Titanes 2004 ("War of the Titans") was the eight Guerra de Titanes professional wrestling show promoted by Asistencia Asesoría y Administración (AAA). The show took place on December 5, 2004 in Naucalpan, Mexico like the previous year's event. The main event featured a Tag Team match between AAA loyalists Cibernético and La Parka taking on the "Invading forces" of La Legión Extranjera (Konnan and Rikishi).
The event featured a number of professional wrestling matches with different wrestlers involved in pre-existing scripted feuds or storylines. Wrestlers portray either villains (referred to as Rudos in Mexico) or fan favorites (Técnicos in Mexico) as they compete in wrestling matches with pre-determined outcomes.
- Los Barrio Boys (Alan, Billy Boy & Decnis) defeated the Black Family (Cuervo, Escoria & Ozz), Los Kumbia Kids (Javi, Jessy & Kevin) and Aliens, Espantapajaros I & Gran Apache in a Four corners match
- Abismo Negro, Tiffany, Sexy Piscis and Mini Abismo Negro defeated Máscara Sagráda, Lady Apache, Pimpinela Escarlata and Mascarita Sagrada in a Eight-man "Atómicos" tag team match
- Electroshock, Gronda, El Intocable and El Zorro defeated Mr. Águila, Charly Manson, Chessman and Juventud Guerrera in an Eight-man "Atómicos" tag team match
- Poncho de Nigris defeated May Flowers and Polvo de Estrellas in a Luchas de Apuestas "handicap hair vs. hair" as a result both May Flowers and Polvo de Estrellas had their hair shaved off.
- Pirata Morgan lost to La Fiera, Hator, Heavy Metal and Latin Lover in a Steel Cage Match Luchas de Apuestas "loser loses his hair" match. as a result Pirata Morgan had his hair shaved off.