Sheridan arrives at Babylon 5 to replace Sinclair and deal with a renegade Minbari Cruiser.

Sheridan's sister comes to visit him at his new command, G'Kar returns with grave tidings from the rim of known space, Dr. Franklin tries to wake Gribaldi from the coma with the alien healing device obtained from Dr. Rosen, and something is happening in Delenn's quarters.

A mysterious group known as "techno-mages" take up temporary residence at Babylon 5 and Londo is very eager to get an audience with them. Meanwhile, the Drazi cause problems for the newly promoted Commander Ivanova with their rather unusual election process.

A giant explorer class ship comes to Babylon 5 for re-supply - its captain an old friend of Sheridan. Dr. Franklin gets on the command staff's nerves when he starts handing out "food plans".

A 100-year-old space exploration ship appears near Babylon 5 with two passengers - a woman in cryogenic sleep, the corpse of her husband, and something sinister that has unfinished business with a half mad lurker.

A friend of Talia comes to Babylon 5 to negotiate a deal to help Mars become more self-sufficient, when a man calling out "Free Mars!" electrocutes him.

Londo summons his three wives to Babylon 5 so he can divorce two of them, Talia gets a visit from her obnoxious ex-husband - the only man ever to leave the PSI Corps, and Delenn has her first bad hair day.

Bester returns to Babylon 5 to shut down an underground organization that smuggles rogue telepaths out of the PSI Corps' reach. Meanwhile, Sheridan has some disagreements with Earth Force over the rent of his quarters.

The aging Centauri emperor travels to Babylon 5 despite his failing health. Refa sees this as an opportunity to have Londo publicly embarrass the emperor, while G'Kar prepares to assassinate him.

Babylon 5 gets considerable space problems when 25,000 Earth Force soldiers arrive. Led by General Richard Franklin, Stephen Franklin's father, they are to use Babylon 5 as a staging point for a risky military operation.

While leading a Starfury squadron to investigate the disappearance of several ships, Sheridan is captured by an alien vessel. Meanwhile, Delenn is summoned to appear before the Grey Council to discuss her recent change in appearance.

G'Kar struggles to control the Narns on Babylon 5 as he asks the different ambassadors for help in the war against the Centauri. Ivanova shows a representative from a new species around the station, so he may decide if humans are worthy of their presence.

The president's physician comes to Babylon 5 on the run from Earth Force special intelligence. They say he has classified information he plans to sell to alien governments, though Sheridan soon learns otherwise.

Sheridan is shocked to learn that one of the crew of the Icarus, a science ship that exploded with his wife aboard, is alive - namely Mr. Morden. A representative of the Ministry of Peace comes to the station to recruit personnel to the Nightwatch.

Londo gets a visit from an old friend who seeks his help after being called a traitor by the Centarum. Sheridan starts hallucinating after being attacked by a dead alien.

A 100% fatal and 100% contagious plague is killing the Markabs. Dr. Franklin tries to find a cure, but is being opposed by the Markabs themselves, who believe the plague only affects the immoral.

Lyta Alexander returns to Babylon 5 with a message from the telepath resistance: one of the command staff is a mole for PSI Corps.

Draal reveals himself to Sheridan, while Refa and Londo set a plan in motion that will lead to the final defeat of the Narns.

Kosh summons an inquisitor to test Delenn's motives, and G'Kar tries to maintain his position as leader of Babylon 5's Narn population while organizing an underground resistance.

Two officials from the Ministry of Peace come to Babylon 5; one to deal with the Centauri's continued expansion, and the other to check on the local Nightwatch. Meanwhile, a Narn heavy cruiser seeks sanctuary while they make repairs, and Keffer continues his search for proof that Shadow ships exist.

An Earth Force investigator comes to Babylon 5 with Lt. Keffer's last recording, asking the ambassadors if they recognize the ship in it. Meanwhile, Londo takes steps to remove himself from the Shadows, and Sheridan takes the White Star out for its first mission.

A bomber is loose on Babylon 5; setting of bombs with seemingly no pattern. G'Kar blames the Centauri, Londo blames the Narn - and in it all, Lennier is critically injured. At the same time, a group of monks request permission to live on the station.

The new Centauri appointed Narn government send a replacement for G'Kar, while an alien probe threatens to destroy Babylon 5 unless it gets the answers for a series of complicated scientific questions.

One of the monks starts having disturbing visions and realizes that his past may not be how he remembers it. Meanwhile, Lyta causes a bit of commotion when she returns from the Vorlon homeworld.

Delenn decides it's time to try to contact some of the first ones and enlists the help of Draal, while Babylon 5 is assigned a political officer.

Bester comes to the station to track down a dealer of Dust - an illegal drug that gives normal people temporary telepathic powers. G'Kar is also interested in the drug. He sees it as a potential weapon against the Centauri, but first he has to test it.

Marcus starts snooping around Downbelow when some of his contacts start behaving unusually and a lurker is found dead with a strange creature bonded to his spine. Ivanova investigates Corwin's loyalties when he receives a promotion.

An archaeologist arrives at Babylon 5 with a grave massage: a dormant Shadow ship has been found on Ganymede. It must be destroyed before it falls into the hands of President Clark.

Clark has just declared martial law, and while Nightwatch prepare to take control of the station, Zack has to decide whose side he's on. In an exercise of bad timing, the prophetic widow of emperor Turhan finally comes to the station, granting Londo the visit he's been begging her for, for a long time.

The renegade destroyer "Alexander" arrives at Babylon 5 and Sheridan is forced to announce the station's secession from the Earth Alliance, and prepare for an attack by Clark's forces. Meanwhile, Delenn is forced to go to Minbar when the Grey Council refuses to act upon increased Shadow activity.

Delenn prepares for a ceremony of rebirth, the station's computer goes through an interesting change, Londo "encourages" Refa to stop associating with the Shadows, and the remains of the Nightwatch on Babylon 5 plan to strike at Sheridan through Delenn.

Vir returns to Babylon 5 to find that he now has a wife and that two Narns are out for his blood. Meanwhile, Ivanova investigates the activities of the mysterious Centauri Abrahamo Linconi.

A mysterious man comes to Babylon 5 dressed in chainmail and armed with a sword. His name? King Arthur - Son of Uther Pendragon, come to help when he is needed most.

Bester comes to Babylon 5, this time seeking help against a common enemy - the Shadows. Meanwhile, G'Kar demands to be included in the War Council.

Morden returns to secure Londo's cooperation again, Garibaldi confronts Franklin about the stims, and Kosh gives Sheridan a victory against the Shadows - but at a price.

Ivanova gets a distress call from herself pleading for help as the Shadows destroy Babylon 5. It is dated eight days into the future. At the same time, on Minbar, Sinclair is given a nine-hundred-year-old letter from Valen, telling him that a drastic action must be taken to prevent that future.

While Sheridan is unstuck in time, seeing a glimpse of a future Centauri Prime in ruins, the others continue with their plan to take Babylon 4 back in time.

The new Vorlon ambassador arrives, Sheridan decides it's time to test just how effective telepaths are against the Shadow ships, and Franklin is on walkabout in Downbelow and falls in love with a singer.

Garibaldi investigates an area where a maintenance worker disappeared and finds a whole floor that was forgotten after construction, including its rather strange inhabitants. Meanwhile, Delenn is about to take on the role of Ranger One, but Neroon swears to stop her.

Londo forces Vir to participate in a plan to kill G'Kar. Sheridan struggles with figuring out the Shadows' tactics.

With the Shadows next target known, a massive counterattack is prepared. Ivanova and Marcus scout ahead in the White Star, while the fleet stands by in hyperspace. At the same time, Franklin finally has to face his problems as he lies fatally wounded in Downbelow.

After he has recovered from the shock of seeing her, Anna gives Sheridan an ultimatum - come to Z'ha'dum with her, or never know what happened to her there.

In the aftermath of the explosion on Z'ha'dum, Sheridan is presumed dead and Garibaldi is missing. Delenn struggles to keep the alliance against the Shadows together, and Londo takes up his new position on Centauri Prime as security advisor to the emperor.

On Z'ha'dum, Sheridan floats somewhere between life and death. Meanwhile, G'Kar risks imprisonment to try to find Garibaldi.

Ivanova and Marcus take a White Star out to search for more first ones to aid in the war, while Londo tries to convince G'Kar to swallow his pride so Cartagia will find him entertaining. A mysterious spacecraft makes its way towards Babylon 5.

With the Vorlons destroying whole worlds, Babylon 5 is struggling to cope with the refugees. And with one Vorlon aboard, they cannot make a move without them knowing about it, so Sheridan decides to kill him. On Centauri Prime, Cartagia explains to Londo how he will become a god when the Vorlons destroy the planet.

As reports that the Shadows are destroying planets too start to come in, Sheridan prepares for one final showdown with the Shadows and the Vorlons. Meanwhile on Narn, Londo makes everything ready - G'Kar's chains have been weakened and an undetectable weapon has been acquired. Tonight Cartagia must die.

In the hours before the Shadows and the Vorlons meet Sheridan's alliance at Corriana 6, Ivanova and Lorien search the last of the First Ones, and Londo races back to Centauri Prime in hope of removing all Shadow influence before the Vorlon planetkiller arrives.

Bester comes to Babylon 5 with information about President Clark's plans to discredit the station. But it has a price tag attached - he wants them to go to Z'ha'dum to look for any leftover technology that might help revive his lover. Garibaldi resigns his position as security chief.

A team of ISN reporters arrives at the station wanting to do a story about Babylon 5. Sheridan refuses at first, but finally agrees on the theory that at least a small part of their side of the conflict will be shown.

When her clan has doubts about her reason for taking Sheridan as a mate, Delenn is required to go to Minbar to attend "the Dreaming". Sheridan sends Marcus and Franklin to Mars to make contact with the resistance there.

Marcus and Franklin meet their liaison to the Mars resistance, but are greeted at gunpoint by the resistance itself. Meanwhile, Sheridan confronts Garibaldi about his attitude.

Delenn investigates attacks on ships of races allied with the Minbari, and encounters the Drakh for the first time. On Mars, Franklin rallies the resistance leaders to Sheridan's cause.

Garibaldi gets his first assignment from his new employer - helping someone getting on and off the station without having to pass through customs. He is quite surprised at who this person is. Meanwhile, Ivanova makes preparations for the first broadcast of "The Voice of the Resistance".

Sheridan hatches an eccentric plan to convince the League to accept White Star patrols on their borders, while Delenn seeks help from Neroon to end the civil war that has broken out on Minbar.

The warrior caste has surrounded the religious caste's stand in the capital city on Minbar, and demand they surrender or be destroyed. Meanwhile, Bester makes Lyta an offer for her body.

With Clark having killed 10,000 unarmed refugees, Sheridan once again mobilizes for war. The first target is Proxima 3, which is being bombed into submission. At the same time, Londo tries to get G'Kar to partake in a joint Centauri-Narn statement in support of the war against Clark.

As Sheridan's forces continue towards Earth, Garibaldi is finally allowed to meet his employer, William Edgars, face to face on Mars, and is after telepath assisted interrogation finally told what he must do to gain Edgars' complete trust. Meanwhile, Dr. Franklin discovers that Lyta can influence the Shadow modified telepaths.

After arranging for the arrest of Sheridan's father, Garibaldi gives his former commander the news, and urges him to come to Mars to arrange a rescue operation. But Garibaldi drugs Sheridan as soon as he gets there, and hands him over to Clark's forces. Finally, Edgars reveals his plans to Garibaldi.

In a bleak room, an interrogator tries to force Sheridan to admit he was under alien influence and worked to undermine Earth.

Garibaldi is barely able to convince Lyta and Franklin that his recent behavior was caused by Bester, and they organize a rescue for Sheridan. Meanwhile, Ivanova gets word that a trap has been set at the fleet's next rendezvous point by a group of completely new advanced-technology destroyers.

The only obstacle remaining between Sheridan and Earth is a fleet near Mars. With the help of the resistance, Sheridan plans to smuggle Shadow modified telepaths onto the fleet, hopefully disabling it long enough for him to take Earth. Meanwhile, Marcus is determined to find a way to help Ivanova.

Clark is dead and the civil war over, but several issues are unresolved. Ivanova is grief-struck at Marcus death and Lise is missing, and Sheridan must now face the consequences of his actions. He did the right thing - but in the inconvenient way.

Far into the future, someone is archiving video clips pertaining to the fate of Earth and the Interstellar Alliance.

Twenty years after his death and resurrection at Z'ha'dum, Sheridan feels his life force ebbing away, and invites some old friends for a final gathering.