Stardate: 48467.3. Thomas Riker, impersonating Will Riker, steals the Defiant in order to fight with the Maquis. Sisko assist Gul Dukat on Cardassia Prime in stopping the ship entering Cardassian territory.

Stardate: 48543.2. Sisko faces a conflict between his Starfleet duties and his role as the Bajoran Emissary when an ancient Bajoran prophecy predicts that a joint Federation-Cardassian project will lead to the destruction of the wormhole.

Stardate: Unknown. After being attacked in the infirmary, Dr. Bashir has a dual mystery on his hands: what has happened to the station while he was out and why is he aging so rapidly now?

Stardate: Unknown. Now rejoined with his former mentor, Garak is ordered to interrogate Odo about the secrets of his people, while the joined Romulan/Cardassian attack fleet moves towards the Founders' home world on a mission of destruction.

Stardate: Unknown. News arrives that Kai Winn has also become Bajor's political leader. She asks Kira to negotiate with an old resistance friend about returning soil reclamators.

Stardate: 49011.4. Sisko becomes uncomfortable when the Klingons station a task force to help defend against the Dominion. Worf is summoned to find out their true intentions.

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

Stardate: Unknown. Dukat returns, stripped of his prestige, to escort Kira to a Cardassian conference about the Dominion. But an attack by a Klingon raider may give Dukat a chance to redeem himself in the eyes of his government.

Stardate: Unknown. A man claiming to be the emissary comes through the wormhole. Sisko is happy to give up his position. Meanwhile Keiko returns and O'Brien stops spending time with Bashir.

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: 49962.4. Odo is suddenly struck by illness. He is barely able to hold shape. Bashir and Odo see no other alternative then going to the Founders. Garak wants to come along.

Stardate: 50049.3. The crew is forced to retreat in a crashed Jem'Hadar ship after an attack by the Jem'Hadar. They get the feeling there's something very important about this ship.

Stardate: 4523.7. Darvin, a disgraced Klingon spy, travels back in time to alter some events to his likings. The DS9 crew must find what he's trying to change and prevent it without altering the time line. They'll have to blend in with the crew from Star Trek: The Original Series.

Stardate: Unknown. Sisko, Dax, Odo and Garak find themselves in the past when the Cardassians controlled the station, and a crime that Odo investigated may be the key.

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

Stardate: Unknown. A coded message from the Gamma Quadrant leads Garak to believe his mentor, Enabran Tain, is still alive. He and Worf seek him out, only to discover something much worse: a Dominion invasion fleet poised to attack the Alpha Quadrant.

Stardate: Unknown. Odo becomes romantically attached to a woman working with the Orion Syndicate.

Stardate: Unknown. Quark doesn't know whether to be panicked or overjoyed when he learns that his mother is the new lover of the Grand Nagus.

Stardate: Unknown. Driven to desperation by the Dominion, the Maquis launch a massive bio-weapons strike towards Cardassia. Sisko must trust the traitor Eddington to try to stop them.

Stardate: 50975.2. With the continuing battalions of Jem'Hadar entering the Alpha Quadrant in preparation for war, Sisko decides to mine the wormhole to prevent further troop movement. This provokes a confrontation between the Dominion and the Federation, forcing Sisko to abandon DS9.

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: 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: Unknown. A group of genetically engineered humans are brought to Dr. Bashir on DS9 in hopes of integrating them with the rest of the universe.

Stardate: Unknown. A former patron of Quark's bequeaths everything to him.

Stardate: Unknown. Chief O'Brien goes undercover to infiltrate an Orion crime ring.

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: Unknown. The Chief's daughter gets caught in a time displacement and when they get her back, she is considerably older.

Stardate: Unknown. Having returned to Earth a couple of months ago, Sisko waits for the Prophets to instruct him on what to do next. When he receives one, he begins searching for the woman behind the face in the sand in his vision. Meanwhile, back on DS9, Kira deals with a promotion and handling the decisions surrounding her command, and finding herself wishing for the return of Sisko. And Worf deals with the loss of his wife, Jadzia Dax.

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

Stardate: Unknown. An aged Kor requests an opportunity to die with honor as a warrior.

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. To help find the apparently untraceable murderer of a young ensign, who had recently received a battlefield decoration, Ezri Dax reluctantly calls up the residual consciousness remnant of her symbiont’s past, the psychopathic murderer host, Joran.

Stardate: Unknown. When a programming glitch won't go away, mobsters take over Vic's and open for business, but the DS9 gang takes it personal when their favorite hangout is no longer their favorite, and they plan to get the new management ousted.

Stardate: Unknown. Kai Winn gets unknowingly involved with Gul Dukat, disguised as a Bajoran. Tensions are further escalated between Weyoun and Gul Damar as the Dominion gather to sign a peace treaty with the Breen, including certain concessions of unknown territories by the Cardassians.

Ezri and Worf try to escape the Cardassian home world.

Stardate: Unknown. Odo is affected by the disease threatening to eliminate his race more than he lets on. Kira has to deal with the Cardassian's dislike of her. Even though General Martok sees Chancellor Gowron's move as part of a political vendetta, he does nothing about it.