Babylon 5 - Season 4 May 2026

: The season concludes with the formation of the Interstellar Alliance , a galactic government with Sheridan as its first President. Behind-the-Scenes Context

: On Centauri Prime, Londo Mollari and G'Kar form an unlikely alliance to assassinate the mad Emperor Cartagia . In exchange for G'Kar's help, Londo secures the liberation of the Narn homeworld. Babylon 5 - Season 4

: Season 4 ends with the departure of Susan Ivanova (Claudia Christian) and the death of Marcus Cole , who sacrifices his life to save hers using an alien healing device. : The season concludes with the formation of

The fourth season of Babylon 5 , titled is widely considered the show's narrative climax. Spanning the year 2261, it resolves the two massive conflicts that had been building since the series began: the war with the Shadows and the liberation of Earth. Narrative Highlights : Season 4 ends with the departure of