Season 7 of Deep Space Nine marks the end of the series, as it concludes the Dominion War arc and the saga of the characters and their relationships. The Federation and its allies face the final showdown with the Cardassian-Dominion alliance, which is aided by the Breen. Sisko and his crew must also deal with the threat of the pah-wraiths, the evil counterparts of the Prophets, who are unleashed by Kai Winn and Dukat.
Episode 1
Stardate: Unknown. As Kira begins working with a Romulan presence aboard the station, Sisko looks for answers in a vision he receives from the Prophets, leading him to uncover a family secret.
Episode 2
Stardate: 52152.6. As Sisko searches for the Orb of the Emissary, Kira prepares a blockade opposing the Romulans near the Bajoran moon Durna. Meanwhile, Worf and Martok lead a suicide mission in Jadzia's name.
Episode 3
Stardate: Unknown. Ezri Dax finds difficulty in trying to settle into a new life, as Jadzia's memories and relationships provide her with one emotional challenge after another.
Episode 4
Stardate: Unknown. Sisko is challenged by a Vulcan captain to a competitive match in an Earth game of skill known as ... baseball.
Episode 5
Stardate: Unknown. Bashir begins falling in love with a genetically engineered patient whom he helped bring out of her state of introversion.
Episode 6
Stardate: Unknown. A clone of Weyoun seeking asylum submits himself to Odo as a prisoner, offering invaluable information about the Dominion.
Episode 7
Stardate: Unknown. With nowhere to turn and old age having made him obsolete, Klingon legend Kor asks Worf to help him find one last glorious battle.
Episode 8
Stardate: Unknown. Sisko's crew is diverted to the front lines, where, alongside war-torn Starfleet officers, they must make a stand against a Jem'Hadar assault.
Episode 9
Stardate: Unknown. Kira is kidnapped by a Bajoran Pah-wraith cult led by Dukat.
Episode 10
Stardate: Unknown. Mentally and emotionally scarred by his combat injuries, Nog seeks comfort in the holographic fantasy world of Vic Fontaine.
Episode 11
Stardate: Unknown. A search for O'Brien, who has gone missing somewhere near Ezri's home world, reunites Ezri with her family and their troubles.
Episode 12
Stardate: Unknown. The Grand Nagus goes missing in the mirror universe, leading Quark and Rom on a mission to track him down.
Episode 13
Stardate: Unknown. A murder investigation prompts Ezri to confront the repressed memories of Joran, a former Dax host who had killed three people.
Episode 14
Stardate: 51474.2. A shapeshifter, one of "the hundred" sent from the Link centuries ago to explore the galaxy, tries to convince Odo to abandon his life as a humanoid in favor of a grander quest.
Episode 15
Stardate: Unknown. A surprise programming feature brings mobsters to take over Vic's lounge, leading the DS9 crew to devise a plan to get rid of them.
Episode 16
Stardate: Unknown. When the mysterious Sloan attempts to recruit Bashir for an undercover mission on Romulus, Sisko orders Bashir to go along with the plan, in hopes of learning more about Section 31.
Episode 17
Stardate: 52576.2. While Ezri goes searching for Worf, who has been missing since a Dominion attack on his ship, Sisko proposes marriage to Kasidy and begins plans to build a house on Bajor.
Episode 18
Stardate: Unknown. Sisko must decide whether to oppose the Prophets and marry Kasidy. Meanwhile, Dukat comes to DS9 with a Bajoran identity and a plan to manipulate Kai Winn; and Worf and Ezri are held captive by the Breen.
Episode 19
Stardate: Unknown. A new alliance between the Dominion and the Breen further appalls Damar. Meanwhile, Winn finds her spirituality thrown into chaos when she has a vision from the Pah-wraiths.
Episode 20
Stardate: Unknown. As Winn begins studying her uncertain role in following the path of the Pah-wraiths, the Federation engages in battle for the first time against the Dominion and their new Breen allies.
Episode 21
Stardate: Unknown. As Kira leads a mission to help organize Damar's resistance forces, Bashir learns that Odo has been infected with the disease sweeping through the Great Link.
Episode 22
Stardate: Unknown. As tensions mount within Kira and Damar's resistance cell, Worf realizes he must take action to prevent Gowron from making a key strategic mistake.
Episode 23
Stardate: 52645.7. Bashir and O'Brien capture Sloan and probe his mind in a search for the cure to Odo's disease.
Episode 24
Stardate: 52861.3. With the Cardassian resistance movement crushed, Kira, Damar, and Garak find themselves trapped behind enemy lines. Meanwhile, Grand Nagus Zek announces his retirement and plans to name Quark his successor.
Episode 25
Stardate: 52902.0. As the war careens toward a final showdown on Cardassia, Sisko's definitive action as the Emissary draws near.