Season 6 of Deep Space Nine marks the height of the Dominion War arc, as it depicts the Federation and its allies in a desperate struggle against the Cardassian-Dominion alliance, which has occupied Deep Space Nine and the Bajoran system.
Stardate: Unknown. As the war between the Federation and the Dominion continues, Sisko and his crew are reassigned from the Defiant, while Kira and Odo cope with the bureaucracy of the station's occupation.
Stardate: Unknown. Sisko and his crew are marooned on a barren planet with a squadron of Jem'Hadar soldiers and their wounded Vorta overseer. But when the Vorta seeks out Sisko to make a deal, can he be trusted? And should Sisko accept the treacherous proposal?
Stardate: Unknown. Worf and his son Alexander must come to terms with one another when Alexander is assigned to the Rotarran and voices his intentions to become a warrior. Meanwhile, Kira finds herself between friend and foe when Ziyal returns to the station and reconciles with her father.
Stardate: 51145.3. Odo finds his priorities at odds with Kira's resistance efforts when the Female Changeling comes to him and offers to guide him in learning about the Great Link.
Stardate: Unknown. The Federation's only hope of stopping massive Dominion reinforcements from entering the Alpha Quadrant relies on Sisko's suicide mission to reach DS9 before the minefield is destroyed.
Stardate: Unknown. Kira finds herself falling in love with the mirror-universe version of Bareil, who has crossed the reality plane to begin a new life.
Stardate: Unknown. Bashir agrees to counsel a group of eccentric, genetically enhanced humans ... and finds himself reevaluating his own enhanced nature when they calculate a disastrous prediction for the outcome of the Dominion War.
Stardate: Unknown. When Quark and Rom's mother is abducted by the Dominion, the two brothers recruit an all-Ferengi team to embark on a dangerous mission to get her back.
Stardate: 51408.6. After being attacked by Cardassian forces, Sisko gets stranded with a very psychotic Gul Dukat, who was being transported to his trial. Meanwhile the crew of the Defiant races to rescue survivors.
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: 51597.2. Worf and Jadzia travel to the badlands to procure some information on the Dominion from a traitorous Cardassian. Bashir wants to engage in a holo-suite spy simulation, but O'Brien prefers to brush up on his tongo game after watching Jadzia lose to Quark.
Stardate: Unknown. After receiving some disturbing information from Gul Dukat, Major Kira seeks Sisko's approval as Emissary to travel back in time to find out the truth about her mother. Meanwhile, Chief O'Brien and Dr. Bashir discuss a holosuite program surrounding the Battle of the Alamo.
Stardate: Unknown. Dr. Bashir's plans to attend a medical conference at a breezy resort are canceled when Starfleet Intelligence boards DS9, suspecting the doctor of treason.
Stardate: Unknown. Sisko runs afoul of Kai Winn when he removes a Bajoran artifact from an archaeological dig after he receives a vision from the Prophets.
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: 51948.3. As the Defiant races to a shipwrecked officer who is days away, the crew keeps in contact with her. Meanwhile, Jake follows Quark's latest scheme for story research.
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.