Ancient beliefs, contemporary ignorance and futuristic medicine clash when a plague threatens the station.
A final, bloody battle determines the outcome of the Narn/Centauri conflict--and signals an even greater threat to all civilization.
Lyta Alexander returns to Babylon 5, convinced there is a traitor aboard. Ivanova makes a startling revelation.
G'Kar rallies the Narns on the station to uphold the resistance effort against the Centauri. Delenn undergoes a torturous test of her allegiance to Kosh.
Earth reacts to the Centauris' rapid invasion of several worlds--but it's not what Sheridan expected. Amazing revelations are made about the Shadows and the Vorlons.
Sheridan encounters a Shadow vessel. Londo tries to end his alliance with the Shadows.
A series of bombings on Babylon 5 triggers an extensive investigation involving some new residents.
Narn officials arrive to replace G'Kar. An alien ship threatens the station with a deadly intelligence test.
Lyta Alexander returns--as Kosh's aide. A monk on board the station experiences terrifying visions.
There's a new, powerful ally in the fight against the Shadows. Sheridan's recent actions are questioned on Earth. Some shocking information about Earth's President Clark is revealed.
A Psi-Cop investigates a powerful illegal drug on Babylon 5, but Sheridan distrusts his motives. G'Kar makes startling discoveries about Londo.
Jerry Doyle
Security Chief Michael Garibaldi
Mira Furlan
Delenn
Richard Biggs
Dr. Stephen Franklin
Billy Mumy
Lennier
Stephen Furst
Vir Cotto