Season 1
- 1America6 Jan 2004
- 2UK14 Jan 2004
- 3The Crips21 Jan 2004
- 4The Firm27 Jan 2004
- 5The Yardies10 Feb 2004
- 6Mafia and Triads9 Mar 2004
World's Deadliest Gangs is a documentary investigative immersion into some of the most vicious gangs in the world.