After the Cardassians pull out of the Bajoran system, Starfleet is asked to step in and help. Taking command of an old space station, Commander Benjamin Sisko must confront his past in order to go forward.

1.2 Past Prologue

An old friend of Kira seeks political asylum on the station, but is it a cover for more violence by him and his extreme terrorist group?

1.3 A Man Alone

When a man is murdered in a holosuite with no visible way for the killer to have escaped, the blame falls on the shapeshifting security chief Odo.

1.4 Babel

A device is set off that causes a form of fatal aphasia throughout the station. The crew must battle the symptoms to find a cure before people start dying.

1.5 Captive Pursuit

The first visitor from the Gamma Quadrant arrives on the station, but he is hiding something and is determined to leave the place.

1.6 Dax

Jadzia Dax is accused of capital crimes carried out during the lifetime of her previous host, Sisko must stall the trial while he tries to get to the bottom of the case.

1.7 Q-Less

Vash and Q return from the Gamma Quadrant just as a series of accidents hits the station, is Q to blame or is he really telling the truth this time.

1.8 The Passenger

Rescuing a damaged Kobliad ship, Bashir and Kira find a security officer and a dead prisoner. The officer is convinced that the prisoner is still alive is some way and will go through with the crime he was planning.

1.9 Move Along Home

A delegation of Wadi from the Gamma Quadrant arrive on DS9 and head straight to Quarks, but their games take on a more serious nature when four senior officers go missing.

1.10 The Nagus

Grand Nagus Zek of the Ferengi alliance visits the station for a meeting of all the top Ferengi, and he brings surpassing news for Quark.

1.11 Vortex

A criminal from the Gamma Quadrant may hold the secret to Odo's past, but can he trust someone who constantly lies.

1.12 Battle Lines

On a quick trip into the Gamma Quadrant for Kai Opaka, the runabout crash lands on an inhabited moon. The inhabitants are involved in a centuries long war and Sisko does not want to get caught in the middle.

1.13 The Storyteller

Sent to Bajor on an urgent mission O'Brien finds himself thrown into the role of the religious leader of a small village, a role he is not cut out to deal with.

1.14 Progress

On the eve of a major energy project on Jeraddo, the fifth moon of Bajor, three residents refuse to leave even though staying will mean certain death.

1.15 If Wishes Were Horses

Dreams become reality for the crew of DS9, but one threatens to destroy the station and there seems only one way to stop it which might only quicken the destruction.

1.16 The Forsaken

During a visit to the station by an number of Federation Ambassadors, including the exuberant Lwaxana Troi, an alien probe causes havoc with the computer systems.

1.17 Dramatis Personae

A Klingon cruiser is destroyed just outside the station and one officer beams over to proclaim victory seconds before his death. Suddenly events start getting out of hand as civil war breaks out on the station.

1.18 Duet

Gul Darhe'el, a notorious Cardassian war criminal, is caught on DS9 and Kira must face one of her greatest enemies while trying to sort out some curious discrepancies.

1.19 In the Hands of the Prophet

When Vedek Winn proclaims Keiko's teachings to be a blasphemy, the station is becomes a focal point for religious tensions.

S E A S O N   T W O

2.1 The Homecoming

Kira risks all to rescue the greatest war hero in Bajoran history, and someone who might be able to bring stability to a rapidly declining Bajor. Part one of three.

2.2 The Circle

Recalled to Bajor, Kira is kidnapped by the Circle to find out how Sisko reacts when their plans are set into motion. Part two of three.

2.3 The Siege

With the station in the hands of the Circle, Sisko must play a stalling game while Kira and Dax try to put a stop to the doomed coup. Part three of three.

2.4 Invasive Procedures

During a plasma storm, with a skeleton crew onboard, the station is taken by a group of terrorist who want to steal the Dax symbiont.

2.5 Cardassians

When a Cardassian orphan turns up on DS9, events rapidly become tense in the tangled web of Cardassian politics.

2.6 Melora

Ensign Melora Pazler, is from a low gravity world and needs to use a wheelchair to move around. When Bashir finds a cure, can she turn her back on all she has ever known for a dream.

2.7 Rules of Acquisition

While negotiating an important business deal with a Gamma Quadrant race, Quark becomes friends with another Ferengi who hides a deep secret.

2.8 Necessary Evil

The attempted murder of Quark reopens a 5 year old investigation by Odo into the death of a Bajoran while the Cardassians ruled the station.

2.9 Second Sight

For the first time since his wife died, Sisko falls for a charming young woman who keeps disappearing without a trace.

2.10 Sanctuary

A whole race comes through the wormhole seeking refuge and a new world to settle on, their legendary home of Kentanna.

2.11 Rivals

Marta, a charming Elorian, sets up a rival casino on the Promenade using a strange alien gambling machine that seems to defy the laws of probability.

2.12 The Alternate

Dr. Mora arrives with news for Odo about a possible link to his past, but a monster seems have been set loose on the station.

2.13 Armageddon Game

O'Brien and Bashir are pronounced dead in an accident during work with a race to destroy their supplies of a biological weapon called the Harvesters.

2.14 Whispers

O'Brien returns to the station to find that everyone has somehow changed and are working behind his back, he must get to the bottom of the problem before it threatens upcoming peace talks.

2.15 Paradise

Sisko and O'Brien find an inhabited planet nearby and when they beam down to investigate all their technology stops working and they cannot get back.

2.16 Shadowplay

Odo tries to help a small village where the people are slowly disappearing and finds that all is not as it appears.

2.17 Playing God

While tutoring a Trill initiate, Dax brings a small anomaly back to the station which may destroy the entire system and then the universe as we know it.

2.18 Profit and Loss

A Cardassian dissident and old flame of Quark arrives on the station and the Cardassian Central Command are determined to have her.

2.19 Blood Oath

When three old Klingons arrive on the station they find that Curzon Dax who they made a blood oath with is dead, but will Jadzia go through with the oath and all that it entails.

2.20 The Maquis, Part I

A Cardassian freighter is sabotaged as it leaves DS9 by a militant group called the Maquis. Sisko travels with Dukat to the Demilitarised Zone to find out what is happening. Part one of two.

2.21 The Maquis, Part II

Dukat is taken hostage by the Maquis and Sisko is determined to get him back, even if the Cardassians do not want him back. Part two of two.

2.22 The Wire

A part of Garak's past is brought to light when he falls ill and Bashir fights to save his life.

2.23 Crossover

An accident in the wormhole transports Kira and Bashir into a parallel universe where Terrans are slaves to the Bajorans and the all powerful Klingon-Cardassian Alliance.

2.24 The Collaborator

With the election of the new Kai imminent, a dark secret from Bareil's past threatens to destroy his future.

2.25 Tribunal

While on holiday with Keiko, O'Brien is taken by the Cardassians and put on trial. A trial where the guilty verdict and death sentence has already been determined.

2.26 The Jem'Hadar

On a school project in the Gamma Quadrant, Sisko and Quark are captured by the evil Jem'Hadar and Jake and Nog must work together to escape and get help

S E A S O N   T H R E E

3.1 The Search, Part I

With the threat of Dominion invasion looming over DS9, Sisko returns from Earth with a dangerous mission and a little surprise. Part one of two.

3.2 The Search, Part II

Returning to DS9, Sisko finds negotiations underway between the Dominion and the Alpha Quadrant powers. Odo and Kira are getting nearer to the truth behinds Odo's people. Part two of two.

3.3 House of Quark

When a Klingon warrior dies in Quarks bar, Quark takes the credit in order to increase his trade. But then the widow turns up and take Quark to Qo'noS, the Klingon Homeworld.

3.4 Equilibrium

A piece of music sparks a memory in Dax and she must be taken to the Trill Homeworld before she rejects her symbiont and dies.

3.5 Second Skin

Journeying to Bajor to look into evidence she was at labour camp she has no recollection about, Kira wakes up on Cardassia to be told she is an undercover operative called Iliana Ghemor.

3.6 The Abandoned

A child is found in the wreckage of a ship from the Gamma Quadrant. Showing a rapid growth and other unusual abilities, what is the deadly secret behind the youth.

3.7 Civil Defence

Modifications to the ore processors sets off an old Cardassian alarm system and the station attempts to kill everyone, no matter what they try to do.

3.8 Meridian

On a survey mission, the crew witnesses the appearance of a planet from another dimension. Dax falls for one of the residents and quits Starfleet to join him.

3.9 Defiant

Commander William Riker comes to DS9 on route to Risa, but does he have another reason for his visit.

3.10 Fascination

During the Bajoran Gratitude Festival, the crew of DS9 start acting strangely and end up falling for each other. Odo must find the cause while trying to avoid Lwaxana Troi.

3.11 Past Tense, Part I

Returning to Earth for a debriefing, Sisko, Dax and Bashir are transported into the past just days before a major pivotal point in history. Part one of two.

3.12 Past Tense, Part II

With Sisko taking Bell's place, he struggles to keep the hostages alive and preserve history and the future. Part two of two.

3.13 Destiny

When a Cardassian-Bajor science project is announced, a Vedek arrives on DS9 claiming that the project will bring destruction and the permanent closure of the Wormhole.

3.14 Prophet Motive

The Grand Nagus returns to the station with a revised set of Rules of Acquisition, ones that proclaim that the greed of the Ferengi is over.

3.15 Life Support

On the eve of peace talks between Bajor and Cardassia, Bareil is seriously injured and Bashir must take unprecedented and potentially unethical measures to save him.

3.16 Heart of Stone

While chasing a Maquis operative, Kira becomes trapped in a crystal formation. Unable to save her Odo must deal with his feelings for her.

3.17 Visionary

Following an minor accident, O'Brien finds himself jumping into the future to witness his own death and the destruction of the station.

3.18 Distant Voices

Bashir is attacked and put in a coma, he must rely of different facets of his personality to survive.

3.19 Through the Looking Glass

Sisko is kidnapped by O'Brien from the alternate universe for a mission to save Jennifer, who was also the wife of their now deceased Sisko.

3.20 Improbable Cause

When Garak's shop is destroyed, evidence points to a Romulan plot to kill members of the Obsidian Order. Garak and Odo team up to find the truth. Part one of two.

3.21 The Die is Cast

The joint Romulan and Cardassian fleet nears the Homeworld of the Founders and Enabran Tain orders Garak to torture Odo for information. Part two of two.

3.22 Explorers

Sisko and Jake build an ancient Bajoran starship to prove an old legend. When an accident happens they must rely on each other to survive.

3.23 Family Business

Quark must return to Ferenginar, the Ferengi Homeworld, to stop his grandmother who is breaking the law by earning profit.

3.24 Shakaar

Kira is sent to track down one of her former colleagues and oldest friends from her days in the resistance.

3.25 Facets

Jadzia performs an ancient Trill ceremony to meet her previous hosts, one of them takes Odo's body and will not give it back.

3.26 The Adversary

A Dominion spy is on the Defiant and threatens to drag the Federation into war. Can Sisko stop an enemy he cannot find.
 

S E A S O N   F O U R

4.1 The Way of the Warrior

When the Klingons break their Alliance with the Federation, Lieutenant Commander Worf is sent to DS9 to act as a liaison with the crew in these difficult times.

4.2 Hippocratic Oath

Bashir and O'Brien find a planet in the Gamma Quadrant where a group of rebel Jem'Hadar live. Bashir has all his ethics put to the test by the tense situation.

4.3 The Visitor

When an experiment goes wrong and Captain Sisko is apparently killed, Jake Sisko travels in time to the distant future where he is a noted writer.

4.4 Indiscretion

Kira and Dukat travel to Bajor to look into the situation of war orphans. But Kira suspects Dukat has come along for a far more sinister reason.

4.5 Rejoined

A former husband of Dax arrives on the station but Trill rules prevent the two new hosts from becoming as acquainted as they want to be.

4.6 Starship Down

Trying to rescue a ship inside a red giant's atmosphere, the Defiant is disabled by the Jem'Hadar. Dax and Bashir are trapped in the turbolift while Kira cares over a dying Sisko.

4.7 Little Green Men

Quark, Rom and Nog are transported to Roswell, New Mexico, where they are captured as the infamous aliens.

4.8 The Sword of Kahless

Kor and Dax embark on a mission to find the legendary weapon of the original Emperor Kahless.

4.9 Our Man Bashir

Bashir goes on the holosuite where he plays a Secret Agent in British Intelligence of the 20th Century. The program goes wrong and Bashir must play out the drama or risk killing everyone.

4.10 Homefront

Sisko finds evidence that the Changelings have infiltrated Earth and so sets off with Odo to try and stop a major incident. Part one of two.

4.11 Paradise Lost

While trying to stop the Changelings on Earth, Sisko uncovers another conspiracy in which a Starfleet Admiral intends to seize control of the planet. Part two of two.

4.12 Crossfire

Odo is place in charge of the security of First Minister Shakaar during his tour of the station. When Shakaar makes a move on Kira, Odo is torn between his duty and his heart.

4.13 Return to Grace

A demoted Dukat once again teams up with Kira, after a Klingon raid kills all the diplomats at a Cardassian and Bajoran conference.

4.14 Sons of Mogh

Worf's brother Kurn arrives on the station. Unable to bear the disgrace of their family an longer, he asks Worf to kill him.

4.15 Bar Association

Finally having enough of his brother, Rom rallies the bar staff of Quarks into a union to demand better pay and conditions.

4.16 Accession

A legendary Bajoran hero returns through the wormhole and challenges Sisko as to which of them is the true Emissary.

4.17 Rules of Engagement

After destroying a Klingon ship while in command of the Defiant, Worf finds himself brought before a court martial for his actions.

4.18 Hard Time

Taken prisoner O'Brien is mistaken for a murderer and as punishment has 20 years of memories placed in his mind.

4.19 Shattered Mirror

Sisko must follow Jake into the Mirror Universe where a tyrannical alternate Worf is endangering the sector.

4.20 Muse

Lwaxanna Troi returns to the station with some surprising news for Odo. She is pregnant and is on the run from her husband.

4.21 For the Cause

Evidence mounts that there are Maquis sympathisers onboard the station and Sisko is forced to deal with the situation.

4.22 To The Death

Sisko must join forces with the enemy to stop a rogue group of Jem'Hadar from destroying everything in sight.

4.23 The Quickening

Bashir attempts to cure a Gamma Quadrant civilisation that has been infected with a terminal disease by the Jem'Hadar.

4.24 Body Parts

Quark is diagnosed with a fatal illness and arranges the sale of his body, but when the prognosis turns out to be wrong the buyers do not want out of the deal.

4.25 Broken Link

Odo must return to the Founders to face the charge of murdering one of his own kind.

S E A S O N   F I V E

5.1 Apocalypse Rising

Sisko must infiltrate the Klingon Empire in order to expose the actions of a Changeling at the highest level of the Klingon government.

5.2 The Ship

An injured crewman lies dying as Sisko battles the Jem'Hadar and a wily Vorta over a crashed Jem'Hadar warship.

5.3 Looking for Par'Mach in all the Wrong Places

Worf reluctantly helps Quark to romance his ex-wife Grilka when she returns to the station.

5.4 ...Nor the Battle to the Strong

Trapped with Doctor Bashir on a Federation colony under Klingon attack, Jake panics and puts the situation in jeopardy.

5.5 The Assignment

An alien entity possesses Keiko and forces Miles to undertake a mission to secretly modify systems all over the station.

5.6 Trials and Tribble-ations

An Orb sends Sisko and crew back in time where they find the original Enterprise under threat from one of the most insidious of races... Tribbles.

5.7 He Who is Without Sin

On a holiday to Risa with Dax, Bashir, Quark and Leeta, Worf gets himself involved with an extermist terrorist group.

5.8 Things Past

Sisko, Dax, Odo and Garak find themselves back on Terok Nor under Cardassian control and Odo must face his past or allow his friends to be executed for a crime they did not commit.

5.9 The Ascent

En route to a court appearance, Odo and Quark crash land on a deserted planet and must rely on each other to survive the ordeal.

5.10 Rapture

Sisko becomes captivated by the story of an ancient Bajoran lost city and becomes determined to find its location.

5.11 The Darkness and the Light

Members of the Shakaar resistance cell are being killed, and Kira must try and find the killer and stop them.

5.12 The Begotten

Dr. Mora Pol returns to the station to help Odo when a infantile Changeling is found.

5.13 For the Uniform

Sisko goes on the offensive against the Maquis and the former Starfleet officer Eddington.

5.14 In Purgatory's Shadow

Sisko learns of an upcoming Dominion invasion when Garak goes on a mission to the Gamma Quadrant. Part one of two.

5.15 By Inferno's Light

The station prepares for the assault while Worf tries to escape from his captivity. Part two of two.

5.16 Dr. Bashir, I Presume

When Doctor Bashir is studied as the model for a new holographic doctor simulation it threatens to reveal a hidden secret from his past.

5.17 A Simple Investigation

Odo falls in love with a stranger who appears to be the target of a murder attempt.

5.18 Business as Usual

When Quark is offered the chance to erase all his debts by his cousin Galia, he ends up working for an arms dealer.

5.19 Ties of Blood and Water

Tekeny Ghemor returns to the station to visit Kira.

5.20 Ferengi Love Songs

While visiting his mother on Ferenginar, Quark sees an opportunity to regain his status in Ferengi society.

5.21 Soldier of the Empire

Working with the Klingons, Worf starts to doubt that General Martok is fit to command.

5.22 Children of Time

The crew must decide between their current lives and the lives of their future decendants.

5.23 Blaze of Glory

Sisko must convince Eddington to stop a Maquis attack that could tear the Federation apart.

5.24 Empok Nor

O'Brien leads a salvage mission to Empok Nor to get spare parts for DS9.

5.25 In The Cards

Rumours of impending war with the Dominion depresses station life.

5.26 A Call To Arms

Starfleet tells Sisko to place a minefield at the entrance to the wormhole.

S E A S O N   S I X

6.1 A Time to Stand

Sisko embarks on a secret mission with his crew, in a captured Jem'Hadar warship.

6.2 Rocks and Shoals

Sisko and crew become stranded with a dying Vorta and a small group of Jem'Hadar.

6.3 Sons and Daughters

Worf must face his failures as a father.

6.4 Behind The Lines

Odo's loyalties are tested by the arrival of a fellow shapeshifter.

6.5 Favor the Bold

Kira prepares for the destruction of the minefield that protects the Federation.

Part one of two.

6.6 The Sacrifice of Angels

Sisko leads what appears to be a suicide mission to take back Deep Space Nine.

Part two of two.

6.7 You Are Cordially Invited...

Worfs plans for a traditional Klingon wedding with Dax are threatened.

6.8 Resurrection

The mirror-universe Bareil requests asylum on the station.

6.9 Statistical Probabilities

Under Bashir's supervision, genetically engineered savants predict doom for the Federation.

6.10 The Magnificent Ferengi

Quark endeavours to rescue his mother from the Dominion.

6.11 Waltz

Sisko is stranded with a disturbed Dukat on a distant planet.

6.12 Who Mourns for Morn

Quark inherits a fortune, and some trouble with it.

6.13 Far Beyond the Stars

Sisko envisions he is a sci-fi writer encountering racism in 1950s America.

6.14 One Little Ship

Dax, O'Brien and Bashir, hidden on a shrunken Runabout, are Sisko's only hope against a Jem'Hadar attack on the Defiant.

6.15 Honor Among Thieves

O'Brien infiltrates a crime ring, but will he become one of them?

6.16 Change of Heart

Dax is gravely injured on a crucial mission with Worf, who must question his priorities.

6.17 Wrongs Darker Than Death or Night

Kira learns that her mother was the mistress of Gul Dukat.

6.18 Inquisition

An investigation on the station indicates that Bashir could be a Dominion spy.

6.19 In the Pale Moonlight

Captain Sisko tries to trick the Romulans into declaring war against the Dominion.