TV The Roman War Machine - Season 1 Episode 4 : Barbarians at the Gate The Roman War Machine - Season 1 Episode 4 : Barbarians at the Gate /10 by 0 users Barbarians at the Gate documents that by the second century AD, the people ancient Rome had vanquished had developed territorial ambitions of their own. In this final episode the steady decline of the Empire is sketched, the military reforms of Diocletian and Constantine are touched upon, as is the process of barbarization of the army, before the collapse of the Western Empire in the fifth century. Details Casts Posters Images Title The Roman War Machine - Season 1 Episode 4 : Barbarians at the Gate Alternative Titles First Air Date 1999-05-17 Last Air Date 1999-05-24 Number of Episodes 4 Number of Seasons 1 Genres Documentary, Networks History, Casts Joseph Campanella Plot Keywords , Narrator Joseph Campanella Episodes List The Roman War Machine Season 1 :Episode 1 First Our Neighbors Then the World First Our Neighbors Then the World 1999-05-17 Examine the history of Ancient Rome with The Roman War Machine, a four-part documentary series narrated by Joseph Campanella. From its establishment... The Roman War Machine Season 1 :Episode 2 Roman Versus Roman Roman Versus Roman 1999-05-18 Examine the history of Ancient Rome with The Roman War Machine, a four-part documentary series narrated by Joseph Campanella. From its establishment... The Roman War Machine Season 1 :Episode 3 Roman Siege Warfare Roman Siege Warfare 1999-05-19 Examine the history of Ancient Rome with The Roman War Machine, a four-part documentary series narrated by Joseph Campanella. From its establishment... The Roman War Machine Season 1 :Episode 4 Barbarians at the Gate Barbarians at the Gate 1999-05-24 Examine the history of Ancient Rome with The Roman War Machine, a four-part documentary series narrated by Joseph Campanella. From its establishment...