Sinclair is kidnapped and interrogated by two men determined to prove he betrayed earth during the Battle of the Line.

Na'Toth attacks an alien woman that has just arrived on the station, claiming that she is the Dilgar war criminal Jha'dur - known as Deathwalker. Meanwhile, Talia is hired by Kosh to oversee some rather strange negotiations.

An alien couple comes to Dr. Franklin with their fatally ill son. The child could be cured by a simple operation, but the parents' religion specifically forbids it. Meanwhile, Ivanova escorts a damaged star liner through raider territory.

There is an explosion in one of the fighter bays just days before the president is to visit Babylon 5. A dying man implicates Garibaldi, which is just what the head of presidential security wants to hear, as she blames him for her father's death.

The station's dock workers stage an illegal strike after an accident in the docking bays. G'Kar tries to take part in a Narn religious ceremony, but must find a replacement G'Quan-Eth plant that was destroyed in the accident.

A Centauri noble comes to Babylon 5 to transport an important relic in Londo's possession back to the homeworld. And a mysterious man visits all the alien ambassadors asking them an unusual question.

Garibaldi is surprised when an old friend comes to Babylon 5 to fight in the "Mutai" - a savage alien fighting arena. Meanwhile, Ivanova has trouble dealing with her father's death.

A man comes to Babylon 5 asking the alien ambassadors for information that can help him with his quest to find the Holy Grail, while a Downbelow gangster gives security problems by mind-wiping all who oppose him.

Sinclair's decisions the last year catch up with him, when an internal affairs investigator arrives to test the crew's loyalty to Earth Force with the help of a telepath. And Lennier shows great interest in Garibaldi's attempt at assembling a 1990's motorcycle.

A Minbari war cruiser comes to Babylon 5 to display the body of a recently dead Minbari leader, while Ivanova and Talia battle for the fate of a young girl with newly discovered telepathic powers.

Strange signals start coming from Epsilon 3, the planet below Babylon 5. A science ship is sent to investigate, but is fired upon by a defense system on the planet. Meanwhile, Garibaldi worries about a lover he left back on Mars, when fighting breaks out there.

The situation heats up when an Earth Force heavy cruiser arrives to "protect Earth's interests", and the fusion reactors on Epsilon 3 start going out of control, and may blow up the planet and Babylon 5.

Babylon 4 reappears at the same place it disappeared four years before, and Sinclair and Garibaldi lead an expedition to evacuate its crew. Meanwhile, Delenn is summoned by the Grey council. They inform her that they have selected a new leader - her.

Dr. Franklin investigates an unlicensed medical practitioner in Downbelow, while Londo takes Lennier for a tour of Babylon 5's seedier locales. And in the brig, a convicted murderer waits for his sentence to be carried out - the death of personality.

The Centauri are about to withdraw from a quadrant of space because the Narn are harassing them, when Londo gets an offer to take care of the problem. Meanwhile, Garibaldi tries to find out what his informant stumbled upon that got him killed.

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.

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.

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.

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.

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.

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.

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.