Twenty years into the future, Sheridan foresees his imminent death and seeks a reunion with his colleagues from Babylon 5.
Sheridan and Delenn prepare to leave Babylon 5 for their new life on Minbar, but there is a fly in the ointment even after all the touching farewells.
A surprise visitor from Mars brings disturbing news to the denizens of Babylon 5.
Sheridan (Bruce Boxleitner) confronts Garibaldi (Jerry Doyle) about his alcoholism; Lyta (Patricia Tallman) jeopardizes her safety.
The Regent fails to defend Centauri Prime as the Alliance fleet approaches; Delenn and Lennier find themselves in a desperate situation.
Sheridan tries to keep the war with the Centauri from going too far; Londo and G'Kar are imprisoned on Centauri Prime.
Sheridan's plan to prevent a war hinges on Garibaldi acting as an information nexus for the White Stars; G'Kar goes with Londo to Centauri Prime.
Lennier's findings are unwelcome to the Alliance; Lyta seeks alternative aid for the telepaths; Garibaldi has a visitor.
Lennier undertakes a top-secret mission designed to retrieve hard proof about the forces responsible for the raiders' attacks.
Psi Corps secrets come out during Bester's pursuit of a telepathic killer.
Garibaldi traces attacks on Alliance shipping to the Drazi Homeworld.
The telepath situation worsens; Bester faces enraged Garibaldi.
Alliance ships continue to disappear; Lockley calls on Bester to help with the telepaths.
Byron's telepaths give the Alliance an ultimatum; Londo and G'Kar make an unsettling visit to Centauri Prime.
The Brakiri rent a portion of Babylon 5 for a religious ceremony; a famous comedy team visits the ship.
Franklin discovers a centuries-old secret while collecting information on diseases; Byron and Lyta reach an understanding.
Bester comes for the telepaths; Lochley sends Garibaldi to the brig; Delenn chooses a bodyguard for Londo.
Garibaldi confronts Lochley; Minbari Rangers enlighten Delenn about their training techniques.
Two ordinary crewmen go about their normal routine while the station defends against an alien attack.
G'Kar drafts the Declaration of Principles; role of refugee telepaths.
To recover from a heart attack, Londo must face his fears and heal his soul.
Ivanova's replacement arrives during Sheridan's inaugural preparations; a renegade telepath foils an assassination.
A future archivist reviews Earth's history beginning with the formation of the Alliance and Sheridan and Delenn's legacy before sending the records to the new Earth.
Acting President Luchenko offers Sheridan amnesty in return for his resignation from Earthforce; Mars becomes independent; the League of Non-Aligned Worlds proposes a new Alliance.
Sheridan leads the Resistance in a last battle to free Earth and Mars; Lyta engages the telepaths for help; President Clark aims the defense grid at Earth.
Lyta, Franklin and Garibaldi help Sheridan escape; Ivanova attacks Earth destroyers; Sheridan returns to Babylon 5.
Edgars interrogates Sheridan; Franklin and Lyta learn Garibaldi was altered by Bester.
Garibaldi joins Edgars in a plot to capture Sheridan; Lyta fears an impending war between telepaths and mundanes.
Garibaldi reaches Mars and faces a tough decision; Lyta makes telepathic contact with Franklin's unconscious patient.
Sheridan retaliates against Clark, while the Centauri and Narn governments offer support for the war against Earth.
A mystery man warns Garibaldi of a plot; Delenn makes a sacrifice; Lyta Alexander may return to Psi Corps; Sheridan faces war with Earth.
Sheridan slyly tricks the nonaligned worlds into demanding White Star fleet protection; Delenn attempts to mend the social fabric of Minbar.
Ivanova prepares a broadcast to Earth; Sheridan meets with Londo and G'Kar; Garibaldi leaves Babylon 5.
Sheridan plans to counter false ISN reports with his own broadcasts and gains the cooperation of resistance leaders by guaranteeing Mars' recognition as an independent state.
Sheridan confronts Garibaldi; Marcus and Dr. Franklin meet with Mars resistance leaders; Ivanova deals with smugglers for food and medicine.
To counter President Clark's propaganda war, Franklin and Marcus meet with martian allies; on Minbar, Delenn defends her relationship with Sheridan.
An unprincipled ISN reporter promises to do an honest story about the space station; Sheridan receives bad news from home; Garibaldi has flashbacks.
Londo announces a regent; Garibaldi resigns; President Clark invokes an embargo against Babylon 5; Z'ha'dum is destroyed.
Sheridan's fleet gets caught between the Vorlons and the Shadows as a planet-killer bears down on Coriana 6.
Sheridan prepares a counteroffensive; Londo plots against evil Emperor Cartagia; Ivanova and Lorien search for the First Ones.
Londo discovers the emperor's insane plans and fears the Vorlons will attack Centauri Prime; Sheridan surprises Delenn.
Zack follows the transport that found Garibaldi's Starfury; G'Kar's stamina is tested; dissension on Babylon 5 is quelled by a surprise speaker.
Sheridan finds himeslf suspended between life and death with an unusual stranger; Centauris capture G'Kar; Delenn gathers troops.
Londo returns to Centauri Prime as a guest of mad Emperor Cartagia; Lyta Alexander and Ivanova seek signs of Sheridan near Z'ha'dum.
Sheridan's presumed-dead wife arrives on Babylon 5 and asks the stunned and skeptical captain to meet with the Shadows.
Shadow activity leads Sheridan to believe the enemy is ready to strike; a brush with death compels Franklin to confront his weaknesses.
When Centauri noble Virini arrives with Lord Refa to decide who should be elevated in the hierarchy, Londo plans to promote himself by placing G'Kar in peril.
When Delenn is asked to lead the Rangers, her life is threatened by a Minbari warrior; the leader of a hidden cult holds Garibaldi hostage.
Sheridan marshals a telepathic crew to test his theory that telepaths can disable Shadow ships; Dr. Franklin prowls the station searching for his lost soul.
Sinclair and Ivanova attempt to move Babylon 4 back through time; Sheridan experiences glimpses of his future.
Former commander Sinclair is summoned to Babylon 5 to help Sheridan and his crew go back in time to save Babylon 4.
Sheridan seeks Kosh's assistance in an effort to recruit more worlds into the alliance; Londo prepares for the arrival of his lady; Franklin's addiction escalates.
Psi Cop Bester informs Sheridan of a Shadow cargo ship carrying weapons so unusual that the telepath is compelled to join the new alliance.
Sheridan unveils the Babylon Treaty, which asks participants to help defend the space station; a troubled man claims to be King Arthur.
Vir forges identity papers for Narn refugees, including one who assaults him and his prearranged bride-to-be.
Nightwatch conspires to destroy Sheridan; Londo tells Lord Refa to end his alliance with Mr. Morden; a rebirth ceremony is held after Delenn is wounded protecting Sheridan.
President Clark sends elite forces to seize Babylon 5 and orders Mars bombed when the colony refuses to enact martial law.
The Earth Alliance declares martial law on Babylon 5, causing riots that nearly injure Londo's guest, Lady Morella, and pitting Sheridan against Nightwatch.
An archaeologist knows of Earth's plans for newly discovered Shadow ships; President Clark declares martial law.
Shadow vessels gather on the edge of Centauri space, Lurkers are chosen to merge with a race via parasite, and Marcus reveals his attraction for Ivanova.
A Psi-cop (Walter Koenig) comes after a dealer in dust, a mind-enhancing drug that could be a powerful weapon.
Ivanova contacts the First Ones, ancient enemies of the Shadows; Sheridan gets a new political officer.
Brother Edward, a new arrival on the station, is haunted by visions and learns he was subjected to a punishment called death of personality.
G'Kar is ordered back to Narn; Franklin behaves strangely; an alien pod demands answers to an IQ test.
Explosions rock the space station and trap G'Kar and Londo in the transport tube, where each takes bitter delight in the possibility of the other's demise.
Earthforce intelligence studies the Shadows; Londo tries to break the Centauri/Shadow alliance; Centauris blockade a Ranger camp.
Centauris invade Drazi and Pak'ma'ra territory; Earth sends a peace minister; Sheridan orders an escort for a battered Narn cruiser.
G'Kar becomes a member of the resistance and, with Garibaldi's help, smuggles weapons to Narn; Delenn's willpower is tested by a mysterious visitor.
The Centauri savagely attack the Narn, prompting a mysterious creature named Draal to contact Sheridan and warn him of future darkness and destruction.
Capt. Sheridan and Lyta Alexander uncover a conspiracy by the Psi Corps to use an unwitting spy to gather confidential information.
Belief systems clash when a plague threatens the station.
Strange visions lead Sheridan to a dangerous discovery; Londo reluctantly accepts a challenge to duel.
Sheridan learns the truth about his wife's death; an ancient secret threatens the universe.
An ISN journalist reports live from the space station on the conflict between the Narn and Centauri and how it will affect the future of the Babylon project.
An attack on Sheridan by a thief results in the death of a Minbari warrior, sparking a controversy that could end the captain's career.
The station is searched for a suspected traitor; Sheridan's efforts to learn more about Ambassador Kosh and his world yield surprising results.
Sheridan tries to remain neutral as tensions mount between the Narns and the Centauri; Ivanova allies with the Lumati.
Sheridan leaves Ivanova to deal with a visiting dignitary while he leads a group of fighters on a mission; Delenn appears before the Grey Council.
Dr. Franklin's father arrives on the station with 25,000 troops, causing many to fear the station is becoming an armed camp; Delenn is threatened.
Sheridan's ceremonial welcome for the Centauri emperor angers G'Kar; Garibaldi gets a strange message.
Bester (Walter Koenig) enlists Talia to catch unregistered telepaths; Delenn asks Sheridan to dinner.
Londo gets permission to divorce two of his wives; Talia's ex-husband arrives; Delenn seeks beauty tips.
A Future Corp. executive monitoring Mars negotiations is murdered; witness Talia fears she may be next.
A battered ship docked at the space station contains a dead man and a woman in suspended animation; a doomsday prophet disrupts the Zocolo.
An old friend of Sheridan's with an exciting job creates doubts in the captain's mind about his own position; a Minbari associate is suspicious of Delenn.
Londo's rise to power may be jeopardized by a mysterious wizard; Ivanova is promoted and given a difficult assignment; Garibaldi slowly recovers.
Londo becomes more entwined with Morden; Dr. Franklin tries an alien experimental procedure on the comatose Garibaldi; Delenn emerges from her cocoon.
Sinclair is reassigned and a new commander arrives at the station as Garibaldi remains in a coma and Delenn continues her transformation.
While investigating a murder, Garibaldi uncovers an assassination plot and gets shot; a Centauri attack on a Narn outpost kills 10,000 Narn warriors.
A healer claims to have a machine capable of amazing cures; Londo takes Lennier for a night out; Talia gets involved in the trial of a serial killer.
Sinclair and Garibaldi undertake a mission to rescue the Babylon 4 space station; Delenn is recalled by the Grey Council.
The doomsday machine is activated; Earthforce claims the technology; Garibaldi learns his martian lover's fate.
Sinclair and Ivanova make a dangerous discovery on a long-dead planet; a planetwide rebellion on Mars causes Garibaldi concern.
War looms when the body of a Minbari leader disappears; Talia Winters recruits a runaway with psychic powers for Psi Corps.
Earth Alliance investigates the station's ranking officers; Garibaldi and Lennier restore a rare antique -- a motorcycle.
A pilgrim comes to the space station seeking the Holy Grail; a criminal finds a horrendous way to eliminate a witness scheduled to testify against him.
Rabbi Koslov (Theodore Bikel) bears a legacy for Ivanova; an Earth boxing champ wants to compete in an alien tournament.
Thieves try to prevent Londo from returning a priceless Centauri artifact; a dangerous and unusual proposition is offered to the ambassadors.
Sinclair is ordered to end a crippling dockworkers strike by force if necessary; Londo refuses to provide G'Kar with a plant essential to a Narn ceremony.
Sinclair and Ivanova desperately try to prove Garibaldi's innocence when he is framed for an attempt to sabotage a visit from the Earth president.
Religious beliefs interfere with Dr. Franklin's treatment of a dying child, and he requests Sinclair's help in changing the parents' minds.
Sinclair is ordered to protect a notorious war criminal who has made a valuable discovery; Ambassador Kosh seeks Talia's help with a mysterious deal.
Sinclair's part in the Earth-Minbari war comes back to haunt him when he is kidnapped by a group intent on knowing what happened during the final battle.
Sinclair plumbs the depths of the station to flush out a vicious hate group that may have been responsible for a violent attack on a Minbari dignitary.
A rogue telepath (William Allen Young) on the run from the Psi police seeks help from his former lover, Talia Winters (Andrea Thompson). Walter Koenig ("Star Trek") appears as Psi Cop Bester.
During a weeklong religious festival, G'Kar is threatened by an old enemy and Sinclair's former lover makes a surprise appearance.
An ancient weapon smuggled aboard the space station by an archaeologist wreaks havoc on the inhabitants of Babylon 5.
Londo's career as an intergalactic ambassador is on the line when a seductress schemes to retrieve incriminating information from him.
A "soul hunter" from an immortal race of beings who take souls at the moment of death poses a threat to Delenn.
An unprovoked attack on a Centauri colony by the Narn puts Londo and G'Kar (Peter Jurasik, Andreas Katsulas) at each other's throats. With Michael O'Hare, Claudia Christian.
Commander Sinclair is accused of trying to murder an alien ambassador.