Stardate: 46379.1. Commander Benjamin Sisko and a new crew of Starfleet and Bajoran officers take command of an abandoned Cardassian space station and make an incredible discovery that will change the galaxy and Sisko's future.

A new crew is assigned to a former Cardassian space station: Deep Space Nine. It is a joint Federation/Bajoran force, with Commander Sisko in charge, but his life is dramatically changed when he is declared the Emissary to the Prophets by a Bajoran priest.

Stardate: Unknown. Kira finds her loyalties divided when a Bajoran extremist wanted by the Cardassians comes to the station with questionable intentions.

Stardate: 46421.5. When the return of a man Odo sent to prison years earlier leads to his murder aboard the station, Odo becomes the prime suspect and a target for harassment.

Stardate: 46423.7. A deadly virus created by the Bajorans 18 years earlier inadvertently breaks loose aboard the station, and prompts a race against the clock to find a cure.

Stardate: Unknown. When O'Brien befriends the station's first visitor from the Gamma Quadrant, he learns that the mysterious alien is on the run from determined pursuers.

Stardate: 46531.2. Vash arrives from the Gamma Quadrant as Q plagues the station and an unknown force threatens to destroy it.

Stardate: 46910.1. Jadzia Dax is charged with a murder that her symbiont's previous host Curzon allegedly committed. Now an extradition hearing may decide whether Jadzia can be held responsible for the actions of a previous life.

Stardate: Unknown. A dangerous killer dies in an apparent accident, but the security officer providing his transport to prison believes the criminal's consciousness may have yet survived.

The Wadi from the Gamma Quadrant are to make first contact and decide to visit DS9. When they catch Quark cheating they let him off by playing a special game.

Stardate: Unknown. Grand Nagus Zek, the leader of Ferengi society, comes to DS9 to oversee the introduction of a Ferengi business presence in the Gamma Quadrant and announce Quark as his successor.

Stardate: Unknown. A wanted man from the Gamma Quadrant with questionable motives reveals to Odo stories about other "Changelings," which may hold clues to Odo's mysterious origin.

Stardate: Unknown. Sisko, Kira, and Bashir take Kai Opaka through the wormhole for a brief excursion in the Gamma Quadrant. But when they crash-land on a desolate planet, they find a divided, warring penal colony where no one ever dies.

Stardate: 46729.1. When O'Brien and Bashir beam down to a Bajoran village, the community selects O'Brien as their next Sirah - expecting him to save them from a menacing entity.

Stardate: 46844.3. Kira finds herself in a difficult moral situation when her job demands she force an adamant Bajoran man from his home in the name of progress.

Stardate: 46853.2. The DS9 crew's own imaginations cause mysterious beings with unknown intentions to appear on the station.

Stardate: 46925.1. Odo and Lwaxanna Troi come to a mutual understanding when a computer malfunction causes them to become trapped in a turbolift.

Stardate: 46922.3. An alien "telepathic matrix" causes the DS9 crew to re-enact an ancient power struggle, leading Kira to attempt mutiny and overthrow Sisko.

A Cardassian suffering from Kalla-Nohra, a disease that indicates he served in a labor camp, visits DS9. Kira is determined to convict him as a war criminal.

Stardate: Unknown. The Federation and Bajoran people of DS9 fall into conflict when a Bajoran religious extremist comes to the station and challenges the secular teachings of Keiko O'Brien's school.

Stardate: Unknown. Word that a previously thought dead Bajoran resistance legend is still alive sends Kira and Chief O'Brien to Cardassia IV to rescue him; meanwhile "The Circle", a sect of the Bajoran provisional government that is intent on wiping out alien influence, is sneaking into power.

Stardate: Unknown. Kira spends time with Vedek Bareil on Bajor just as "The Circle" begins arming themselves from a mysterious source.

Stardate: Unknown. As a "Circle"-led Bajoran military tries to occupy the station, a skeleton crew led by Sisko fight to reveal "The Circle's" big secret before they are forced to evacuate themselves. Meanwhile, Kira and Dax lead a mission to reveal the truth about "The Circle" on Bajor.

Stardate: 47182.1. A jealous Trill, who had waited his entire life to receive a symbiont but never had, decides to steal one. . . Dax's!

Stardate: 47177.2. Political heat rises on the station as Bajorans enter the station with orphaned Cardassians they have adopted.

Stardate: 47229.1. A new arrival to the station with a special gravity-based disability appeals to Bashir's heart; meanwhile an old associate of Quark's comes to the station to kill the barkeep.

Stardate: Unknown. A female Ferengi, posing as a male to be available to participate in business (a rule STRICTLY forbidden by the Ferengi government), falls for Quark during very important negotiations between the Ferengi and a Gamma Quadrant race.

Stardate: 47282.5. Odo relives some terrible and tragic memories of a past investigation when he was the constable on Cardassian-occupied Deep Space Nine, then named Terok Nor.

Stardate: 47329.4. While noted scientist Gideon Seyetik is preparing for an ambitious project, re-igniting a star, Sisko is intrigued by a woman who keeps disappearing.

Stardate: 47391.2. A race that has been conquered twice over, one of the conquerors being the mysterious Dominion, comes to the station seeking aid and a new home.

Stardate: Unknown. Quark meets his match when a new rival opens a casino opposite Quark's Bar on the Promenade; meanwhile the station is suffering issues of high improbability.

Stardate: 47391.7. Odo and Dr. Mora Pol, Odo's 'father', discover a life form similar to Odo on a Gamma Quadrant planet.

Stardate: 47529.4. Chief O'Brien, who still doesn't like the good Doctor Bashir, must rely on him when the two are stranded on a planet and O'Brien is infected with a deadly, fast moving disease.

Stardate: 47581.2. Chief O'Brien's world is turned upside down when for no reason whatsoever he is being ignored by his family and friends and is being closed out of every essential job on the station.

Stardate: 47573.1. Sisko and Chief O'Brien discover a colony that lives without technology.

Stardate: 47603.3. Odo and Dax investigate the mysterious disappearance of people from a village. Kira tries to keep a close eye on Quark, while Vedek Bareil unexpectedly visits.

Stardate: Unknown. A Trill named Arjin comes to DS9 to learn what it is to be a Trill with a symbiont but finds his teacher, Dax, to be less than he expected.

Stardate: Unknown. A Cardassian woman, who was once a former flame of Quark's, visits the station under dubious circumstances.

Stardate: Unknown. Three legendary Klingons come to DS9 to see if Jadzia Dax will participate in a Blood Oath they made with Jadzia's previous host Curzon.

Stardate: Unknown. The destruction of a Cardassian ship leads Sisko, Dukat, and Sisko's old friend Cal Hudson to the fact that there is an unofficial war between the Maquis and the Cardassians.

Stardate: Unknown. Sisko tries to resolve the Maquis crisis by preventing a war, freeing Gul Dukat and offering the defected Hudson the chance to return.

Stardate: Unknown. Dr. Bashir fights to save Garak's life when a malfunctioning Cardassian brain implant threatens to kill him.

Stardate: 47879.2. Kira and Bashir find themselves in an alternate universe.

Stardate: Unknown. Vedek Bareil is accused of having betrayed his people to the Cardassians during the occupation, and Major Kira is desperate to prove his innocence.

Stardate: 47944.2. Chief O'Brien goes through the horrific Cardassian judicial system when he is charged for an unknown crime.