TV 21st Century War Machines - Season 1 21st Century War Machines - Season 1 3/10 by 1 users Details Casts Posters Images Title 21st Century War Machines - Season 1 Alternative Titles First Air Date 2006-07-08 Last Air Date 2006-07-29 Number of Episodes 4 Number of Seasons 1 Genres Documentary, Networks Discovery, Casts Plot Keywords , Episodes List 21st Century War Machines Season 1 :Episode 1 Episode 1 Episode 1 2006-07-08 21st Century War Machines Season 1 :Episode 2 Episode 2 Episode 2 2006-07-15 21st Century War Machines Season 1 :Episode 3 Episode 3 Episode 3 2006-07-22 21st Century War Machines Season 1 :Episode 4 Episode 4 Episode 4 2006-07-29