Ivanova struggles to keep the alliance together in the absence of the Captain.

G'Kar begins his search for Gairbaldi and discovers a piece of his Starfury.

Zack searches for Mr. Garibaldi and Sheridan's fate is revealed.

Delenn learns a devastating secret about what happened to Sheridan on Z'ha'dum.

Sheridan and Delenn gather their forces while Londo is appointed to a higher position in the Royal Court.

With the help of some First Ones, Sheridan and crew confront both the Shadows and the Vorlons.

Bester visits the station to make a deal with Sheridan, while Garibaldi resigns as head of security.

ISN visits the station for an exclusive interview.

Delenn travels to Minbar to try and convince the Minbari people to accept her relationship with Sheridan.

Sheridan confronts Garibaldi about his behavior while Marcus and Franklin reach Mars.

Franklin and Marcus meet with the Resistance and Ivanova tackles the news.

Ivanova gives her first broadcast while Garibaldi accepts a new job on Mars.

Sheridan manipulates the League and Delenn travels to Minbar.

Delenn makes the ultimate sacrifice for her people while Lyta has a visit from Bester.

Sheridan retaliates against Clark at Proxima 3.

Lyta makes contact with an unconscious victim of the Shadows.

Garibaldi plots to capture Sheridan while Lyta fears for the future of telepaths.

An earth official tries to force Sheridan to sign a confession.

Garibaldi is captured by the Mars Resistance. Ivanova's fleet clashes with Clark's forces.

Sheridan's forces make their final strike. Marcus weighs a vital decision.

Earthgov decides Sheridan's fate.

Fourth season finale. A look back at the impact of Babylon 5 from 100, 500, 1000, and 1000000 years in the future.