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

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

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

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

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

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

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

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: 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: 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: 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.