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: 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: 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: 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: 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: 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. Sisko and Quark and a strange telepathic woman are arrested by Jem'Hadar, soldiers of the Dominion.

Stardate: 48498.4. Dr. Bashir must use extraordinary measures to prolong Vedek Bareil's life long enough to allow Bareil to complete sensitive peace negotiations between the Bajorans and the Cardassians.

Stardate: 48521.5. After chasing a fugitive into a cave, Kira gets stuck and is slowly encapsulated by a growing crystal stone while Odo tries to figure out how to free her.

Stardate: Unknown. Dax asks the crew to join her Zhian'tara ritual. The memories of her former hosts will take over their bodies. Nog is preparing for Starfleet Academy.

Stardate: Unknown. Melanie, an aspiring writer, wants to know why Jake Sisko stopped writing at 40. Jake tells how his father died in an accident and then suddenly reappeared.

Stardate: Unknown. Quark and Rom take Nog to Earth and Starfleet Academy, but a malfunction with the ship takes the crew back in time, to Roswell New Mexico in 1947.

Stardate: 49170.65. Sisko travels to Earth when a bombing at a Federation conference is determined to be the work of Changelings.

Stardate: Unknown. When Starfleet institutes martial law to combat the Changeling Menace, Sisko begins to question if the Dominion is the real threat.

Stardate: Unknown. When the Mirror Universe counterpart of Sisko's deceased wife lures Jake to the other side, Sisko must follow and help the human resistance against the Alliance's forces.

Stardate: Unknown. When Odo and Quark crash land, they must put aside their differences to climb a mountain to signal for help. Jake and Nog try to be roommates, but their different styles clash.

Stardate: 50416.2. A mysterious assassin begins wiping out all the members of Kira's old resistance cell.

Stardate: 50485.2. When the traitorous Eddington returns, Sisko will go to any lengths to capture him.

Stardate: Unknown. Dax and Worf accompany Martok on his first command since being held by the Dominion. But the ship they are given hasn't seen victory in months and the crew is near mutinous.

Stardate: Unknown. Sisko learns that the Maquis are planning a devastating attack on Cardassia, and must rely on the traitor Eddington to help him prevent it.

Stardate: Unknown. While salvaging components from DS9's sister station, the crew run afoul of a "surprise" left behind by the Cardassians.

Stardate: 50929.4. Jake has his heart set on a vintage Willie Mays baseball card as a present to cheer up his father, whose spirits are flagging from the ongoing conflict.

Stardate: 50975.2. Sisko decides to mine the wormhole to prevent further Dominion ships crossing into the Alpha Quadrant. This provokes an attack by the Dominion and the Cardassians, and a desperate last stand on Deep Space Nine.

Stardate: Unknown. Borrowing a captured Jem'Hadar attack ship, Sisko and crew embark on a mission to destroy the hidden base where all of the ketracel-white is stored for the entire Alpha Quadrant.

Stardate: Unknown. Sisko and his crew crash on a barren world when their commandeered Jem'Hadar ship is shot down. They encounter Jem'Hadar who crashed there earlier, and have taken Nog and Garak hostage in exchange for medical aid for their Vorta overseer.

Stardate: 51145.3. After forming an attack plan on the Dominion, Sisko relinquishes command of the Defiant to Dax after accepting a promotion. On DS9, the resistance faces discovery when Odo links with another changeling.

Stardate: Unknown. Sisko mounts an attack to re-take DS9, while Rom faces charges as an enemy of the Dominion state.

Stardate: Unknown. The Federation attacks DS9 in hopes of keeping the mine field in the wormhole intact, while the Dominion waits entrance to the Alpha Quadrant from the other side.

Stardate: 51247.5. Suddenly desiring to wed within the week on DS9, Worf and Jadzia go through their own Klingon rituals: Worf on a four day bachelor party with the male members of the crew & Jadzia deals with her prospective mother-in-law, who totally opposes the idea of "an alien" marrying into her Klingon household.

Stardate: Unknown. At the request of the Grand Nagus, Quark puts together a mission to rescue Quark's mother, who is in the hands of the Dominion.

Stardate: 51474.2. An attack by the Dominion on Sisko's ship endangers Dax and her crew aboard as she leads them into an anomaly that shrinks them to a very minute size. Unfortunately, they were being held stable by Sisko within a tractor beam, which was discontinued during the attack.

Stardate: 51825.4. Jake and Nog's runabout comes under attack from the Jem'Hadar. They are rescued by the Valiant, a ship manned by Red Squad, a elite group of young Starfleet cadets.

Stardate: Unknown. Quark's mother and the Grand Nagus show up on DS9, announcing a new amendment to the Bill of Opportunities he has instituted on the home planet of Ferenganar, and then follows up with the announcement, that, due to the new amendment, chaos has followed and he has been deposed.

Stardate: Unknown. When Sisko is picked to head up an attack on the Cardassian homeworld, the Prophets appear to him in a vision, warning him of impending doom if he leaves the station.

Stardate: Unknown. Sisko, laying low on Earth since the wormhole's disappearance, receives a vision of an unfamiliar woman he believes is the key to regaining contact with the Prophets. Meanwhile, Kira faces the challenge of commanding Deep Space Nine and upholding the fragile alliance with the Romulans, and Worf must cope with the loss of Jadzia Dax.

Stardate: Unknown. A Vulcan captain challenges Sisko to a game of baseball.

Stardate: Unknown. Dr. Bashir’s genetically engineered friends return to the station, seeking his help in rousing one of them from her catatonic state.

Stardate: Unknown. A Vorta offers Odo valuable information on the Dominion in exchange for asylum. Meanwhile, Nog tries his Ferengi knowledge as he wheels and deals for a valuable piece of equipment for Chief O'Brien.

Stardate: Unknown. Capt. Sisko and his away team volunteer to stay with a besieged unit at an isolate outpost.

Stardate: Unknown. Severely depressed at his serious war wound, Nog retreats into Vic Fontaine's holosuite program while the singer tries to help him.

Stardate: Unknown. A hidden feature in Vic’s holosuite program causes the casino to be taken over by mobsters, and the DS9 crew plan a heist to take back their favorite hangout spot.

Stardate: Unknown. The Prophets disapprove of Sisko’s upcoming marriage, and he must make hard choices about his priorities. Ezri and Worf are captured by Dominion forces. Gul Dukat, disguised as a Bajoran, infiltrates DS9 and becomes close to Kai Winn.

Stardate: Unknown. After the Breen attack Earth there are mixed emotions abound on DS9. Having revealed her secret regarding the Prophets to the disguised Dukat, Kai Winn turns her back on them, only to be convinced by Dukat to embrace the Pah Wraiths. On the home world of Cardassia, Legate Damar mounts a resistance to the Dominion.

Stardate: 52861.3. Odo begins his recovery from the deadly disease as Dr. Bashir informs him of Section 31's intentions of wiping out his race. A resistance mission goes bad for Kira and Garak and they end up hiding in the basement of the house that Garak grew up in, where they learned that Legate Damar has apparently become a casualty of war, despite him also hiding with them. Quark is chosen by the Grand Nagas as his successor upon his impending retirement to Risa.

Stardate: Unknown. Sisko leads, what he hopes will be, a final all-out assault on Cardassia Prime. Kira and Garak mount a suicidal assault on the Cardassian headquarters occupied by the Dominion, who in turn kill innocent women and children village by village in retaliation for the Resistance's attacks.

Stardate: Unknown. Sisko leads, what he hopes will be, a final all-out assault on Cardassia Prime. Kira and Garak mount a suicidal assault on the Cardassian headquarters occupied by the Dominion, who in turn kill innocent women and children village by village in retaliation for the Resistance's attacks.