All 27 episodes from the final season of DS9

Benjamin Sisko discovers his mother was a Prophet, a new Dax host arrives on Deep Space 9, Odo discovers that his people have been infected with a fatal disease and Julian Bashir undertakes an assignment for Section 31. Kai Winn turns on the Prophets, and with the assistance of Dukat summons the pah-wraiths. The Breen join the war and side with the Dominion. In the concluding episodes of the season (and the series), the Cardassian-Dominion alliance breaks down, Colonel Kira leads a Cardassian resistance movement involving Legate Damar and Elim Garak, and the alliance of Federation, Klingon, and Romulan forces claim victory in the Dominion War.

Episode 1
Image in the Sand

Sisko learns a family secret that persaudes him there is still a way to contact the Bajoran Prophets. On the station, Kira suspects the Romulans have ulterior motives. Avery Brooks, Nana Visitor. Vic Fontaine: James Darren. Joseph Sisko: Brock Peters. Weyoun: Jeffrey Combs. Damar: Casey Biggs. Show more

Episode 2
Shadows and Symbols

Sisko searches for the mythical Bajoran Orb of the Emissary; Kira has a showdown with her Romulan "allies" on DS9; Worf, O'Brien, Bashir and Quark attack a Dominion shipyard. Sarah: Deborah Lacey. Ezri Dax: Nicole deBoer. Sisko: Avery Brooks. Worf: Michael Dorn. Joseph Sisko: Brock Peters. Show more

Episode 3
Afterimage

The presence of Ezri Dax (Nicole deBoer) on DS9 causes problems for Worf (Michael Dorn). Meanwhile, Garak (Andrew Robinson) suffers an incapacitating breakdown. Sisko: Avery Brooks. Bashir: Alexander Siddig. O'Brien: Colm Meaney. Quark: Armin Shimerman. Show more

Episode 4
Take Me Out to the Holosuite

A Vulcan Starfleet officer (Gregory Wagrowski) insists his race is superior, and to prove it, he challenges Sisko (Avery Brooks) to a game of baseball. Kasidy Yates: Penny Johnson. Leeta: Chase Masterson. Rom: Max Grodenchik. Nog: Aron Eisenberg. Show more

Episode 5
Chrysalis

A genetically enhanced woman who has fallen into a catatonic state is treated by Dr. Bashir, who falls in love with her.

Episode 6
Treachery, Faith and the Great River

Odo is contacted by Weyoun, who claims he wishes to defect from the Dominion and turn over military secrets to the Federation.

Episode 7
Once More unto the Breach

Worf promises Kor a military command aboard the flagship Ch'Tang, which angers Martok and may endanger their mission.

Episode 8
The Siege of AR-558

While resupplying a Starfleet-occupied Dominion communication outpost, Sisko and the crew decide to make a stand during a fierce Jem'Hadar offensive.

Episode 9
Covenant

Dukat becomes the spiritual leader of the Bajorans who worship Pah-wraith, holds Kira hostage and exhorts his followers to kill themselves.

Episode 10
It's Only a Paper Moon

Nog, distraught over the loss of his leg, finds comfort in the holographic world of lounge singer Vic Fontaine---but then finds it difficult to leave.

Episode 11
Prodigal Daughter

When O'Brien disappears, Sisko enlists Ezri Dax in his search---but it means she must reunite with her estranged mother.

Episode 12
Emperor's New Cloak

Quark and Rom accompany Ezri's double back to an alternate universe in order to free Zek, who is being held by forces seeking a cloaking device.

Episode 13
Field of Fire

Ezri Dax must use the memories of a previous Dax symbiont to solve a murder---but the symbiont in question was a serial murderer, causing her to behave in a similar fashion.

Episode 14
Chimera

Laas, a renegade shape-shifter, urges Odo to help him in seeking others of their kind to form a new Link, but Laas tangles with two Klingons, killing one, and ends up in the brig.

Episode 15
Badda-Bing, Badda-Bang

The firing of Vic Fontaine sets a holosuite casino caper in motion, with the crew scheming to get mobster Frankie Eyes out of the picture and Vic back in.

Episode 16
Inter-Armaenim Silent Leges

Bashir is recruited by a covert extremist Starfleet intelligence agency to gather information at a conference---but it may all be a cover to assassinate a Romulan leader.

Episode 17
Penumbra

Worf is missing in action, and Ezri searches for him; Sisko plans to marry Kasidy Yates but the Bajoran prophets advise against it; the female shape-shifter's condition worsens. Worf: Michael Dorn. Ezri: Nicole deBoer. Sisko: Avery Brooks. Kasidy Yates: Penny Johnson. Female Shape-shifter: Salome Jens. Show more

Episode 18
Til Death Do Us Part

Sisko calls off the wedding with Kasidy but agonizes over the decision; a surgically-altered Dukat insinuates himself to Kai Winn (Louise Fletcher); Worf and Ezri face abuse at the hands of their Breen captors. Sisko: Avery Brooks. Kasidy: Penny Johnson. Dukat: Marc Alaimo. Worf: Michael Dorn. Ezri: Nicole deBoer.

Episode 19
Strange Bedfellows

The Breen turn over Worf and Ezri to the Jem'Hadar, who intend to execute them; Kai Winn (Louise Fletcher) allies herself with Dukat, who urges her to join the evil Pah-wraiths. Worf: Michael Dorn. Ezri: Nicole deBoer. Dukat: Marc Alaimo. Odo: Rene Auberjonois (who also directed). Show more

Episode 20
The Changing Face of Evil

Cardassian rebels may be the key in the battle with the Breen and the Dominion; Kai Winn (Louise Fletcher) believes she receives a message from the Pah-wraiths. Weyoun: Jeffrey Combs. Dukat: Marc Alaimo. Damar: Casey Biggs. Sisko: Avery Brooks. Bashir: Alexander Siddig. Ezri: Nicole deBoer. Show more

Episode 21
When It Rains

Bashir makes a shocking discovery while diagnosing the Founders' disease that now infects Odo; Kira works unhappily with the Cardassian rebels; Gowron proposes sacrificing Klingon troops by sending them into Dominion territory. Kai Winn: Louise Fletcher. Bashir: Alexander Siddig. Odo: Rene Auberjonois. Kira: Nana Visitor. Gowron: Robert O'Reilly. Worf: Michael Dorn (who also directed). Show more

Episode 22
Tacking into the Wind

Kira, in league with the Cardassian rebels, attempts to steal secret technology from the Dominion; Worf's loyalties are sorely tested by Chancellor Gowron (Robert O'Reilly) and General Martok (J.G. Hertzler). Kira: Nana Visitor. Worf: Michael Dorn. Damar: Casey Biggs. Garak: Andrew Robinson. Show more

Episode 23
Extreme Measures

When Dr. Bashir and O'Brien try to get information on Odo's disease from Section Thirty-one operative Sloan (William Sadler), he attempts suicide---but not before the two use a Romulan mind probe to enter his psyche. Dr. Bashir: Alexander Sidding. O'Brien: Colm Meaney. Ezri: Nicole deBoer. Garak: Andrew J. Robinson.

Episode 24
The Dogs of War

The Cardassian resistance suffers at the hands of the Dominion; Zek (Wallace Shawn) names Quark as his successor, but Quark then learns, to his disgust, that Ferenginar is now democratic; Garak (Andrew J. Robinson) plants a bomb in the Jem'Hadar barracks. Kasidy: Penny Johnson. Weyoun: Jeffrey Combs. Rom: Max Grodenchik. Damar: Casey Biggs. Adm. Ross: Barry Jenner. Ishka: Cecily Adams. Martok: J.G. Hertzler. Sisko: Avery Brooks.

Episode 25
What You Leave Behind

The final confrontation between the Federation and the Dominion takes place as the Alliance invades Cardassian Prime; Winn and Dukat (Marc Alaimo) attempt to enlist the Pah-wraiths to destroy Sisko. Part 1 of two. Vic Fontaine: James Darren. Damar: Casey Biggs. Nog: Aron Eisenberg. Martok: J.G. Hertzler. Kasidy Yates: Penny Johnson.

Episode 26
What You Leave Behind

Conclusion. The final confrontation between the Federation and the Dominion takes place as the Alliance invades Cardassian Prime; and the female shape-shifter (Salome Jens) orders the extermination of the Cardassian race in reprisal for their revolt against the Dominion. Vic Fontaine: James Darren. Damar: Casey Biggs. Nog: Aron Eisenberg. Martok: J.G. Hertzler. Kasidy Yates: Penny Johnson.