4 - 1American Killers Apr. 01, 2012
4 - 2Pack of Teeth Apr. 08, 2012
4 - 3Invisible Executioner Apr. 15, 2012
4 - 4Asian Slayer Apr. 22, 2012
4 - 5Russian Killer May. 06, 2012
4 - 6Mongolian Mauler May. 13, 2012
4 - 7Phantom Assassin May. 20, 2012
4 - 8Lair of Giants May. 28, 2012
4 - 9Lair of Giants May. 26, 2012- 4 - 10Killer Weapons May. 22, 2012
- 4 - 11Lethal Legends May. 23, 2012
- 4 - 12The Deadliest Encounters May. 24, 2012
- 4 - 13The Deadliest Catfish May. 27, 2012
- 4 - 14Untold Stories May. 25, 2012