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.

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. 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. 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. 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: 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. Quark tries to boost his reputation by taking credit for the accidental death of a Klingon in his bar, but lands himself in the middle of a Klingon political struggle.

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. Grand Nagus Zek is acting bizarre by giving away money and rewriting the Rules of Acquisition. Quark attempts to get the old Nagus back.

Stardate: Unknown. Sisko is kidnapped to impersonate his deceased, mirror universe self to gain Jennifer Sisko's loyalty in the Rebel Alliance.

Stardate: Unknown. Quark and Rom return to the Ferengi home world because their mother has broken the law - by wearing clothes and earning profits, forbidden for women in Ferengi society.

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. 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: Unknown. When an transporter emergency turns the command crew into holosuite characters, Bashir's James Bond fantasy takes on a deadly reality.

Stardate: Unknown. Unfair working conditions and pay cuts cause Rom to organize a union of the employees of Quark's Bar. Meanwhile Worf still finds it hard to settle on the station.

Stardate: Unknown. Quarks hears on Ferenginar he is going to die. Rom convinces him to sell his remains. After an accident, Bashir has to move Keiko's baby to Kira's womb.

Stardate: Unknown. An alien entity has possessed Keiko's body and is holding it hostage until O'Brien completes an assignment for it.

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: Unknown. Dr. Bashir is selected to be the model for the next-generation of Emergency Medical Hologram (EMH). But he balks when his parents are invited to the station to be interviewed by the EMH programmer, Dr. Zimmerman. There is a dark secret in his family that he's afraid that his parents will reveal.

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

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. Quark and Rom have to rescue Grand Nagus Zek who is being held captive in the Alternate Universe.

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.