Season 5 of Deep Space Nine begins the Dominion War arc that will dominate the rest of the show. The Federation and its allies face a new enemy in the form of the Cardassian-Dominion alliance, which threatens to conquer the Alpha Quadrant.

Release Date

Premiered

Star Trek: Deep Space Nine Season 5 released on September 30, 1996.

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Episodes

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S05E01 Aired September 30, 1996

Apocalypse Rising

Stardate: Unknown Gowron is suspected of being replaced by a changeling. Sisko, Odo and O'Brien go undercover as Klingons, only to discover things may not be what they seem.

S05E02 Aired October 07, 1996

The Ship

Stardate:50049.3 While searching for minerals on a planet, Sisko, Dax, O'Brien, Worf, and Muniz discover the wreckage of a crashed Jem'Hadar ship. However, they are not the only ones interested, because the Dominion is anxious to retrieve the vessel.

S05E03 Aired October 14, 1996

Looking for par'Mach in All the Wrong Places

Stardate: Unknown Worf falls in love with Quark's ex-wife, Grilka. However, Quark is also still interested.

S05E04 Aired October 21, 1996

...Nor the Battle to the Strong

Stardate: Unknown Jake Sisko and Julian Bashir are caught in the middle of a battle between a Federation colony and a Klingon army.

S05E05 Aired October 28, 1996

The Assignment

Stardate: Unknown A Pah'wraith (evil entities who are enemies of the Bajoran Prophets) possesses and impersonates Keiko, but reveals her identity to Miles, threatening to kill her if he doesn't carry out her mysterious instructions.

S05E06 Aired November 04, 1996

Trials and Tribble-ations

Stardate:4523.7 While returning to Deep Space Nine with the Bajoran Orb of Time, the crew are thrown back to the 23rd Century. They must infiltrate the original Starship Enterprise in order to stop an undercover Klingon from poisoning a shipment of grain being carried.

S05E07 Aired November 11, 1996

Let He Who is Without Sin...

Stardate: Unknown Worf, Dax, Leeta, Quark and Bashir pay a visit to Risa. Things go bad when a band of rebels gains control of the planet's weather regulator to scare the visitors in an attempt to show them how unprepared the Federation is for the Dominion invasion.

S05E08 Aired November 18, 1996

Things Past

Stardate: Unknown Sisko, Odo, Dax and Garak are shifted into the past, when DS9 was known as Terok Nor. To each other, they appear normal, but to others they appear as Bajoran slaves. Soon they are accused of planting a bomb, and are sentenced to death.

S05E09 Aired November 25, 1996

The Ascent

Stardate: Unknown Odo and Quark are stranded when they crash on a planet with no communications or replicators. Their only hope to be found is if they can climb to the top of a high mountain. Back on the station, Jake and Nog are moving in together. However, it doesn't go as smoothly as they thought.

S05E10 Aired December 30, 1996

Rapture

Stardate: Unknown Sisko discovers the legendary Bajoran city of B'hala. He also receives visions of Bajor's future, one of which warns him not to let Bajor join the Federation.

S05E11 Aired January 06, 1997

The Darkness and the Light

Stardate: 50416.2 One by one, members of the Shakaar resistance cell are murdered, and Kira becomes increasingly worried that she will be next.

S05E12 Aired January 27, 1997

The Begotten

Stardate: Unknown Kira goes into labor with Keiko's child. Odo buys an infant changeling from Quark that was found drifting in space. Tensions rise when the scientist that first studied Odo, Dr. Mora Pol, arrives to give Odo a helping hand.

S05E13 Aired February 03, 1997

For the Uniform

Stardate: 50485.2 Sisko encounters Eddington, his former security chief turned Maquis traitor, and he is more desperate to capture him than ever.

S05E14 Aired February 10, 1997

In Purgatory's Shadow

Stardate: Unknown After a coded Cardassian message from the Gamma Quadrant is detected, Garak and Worf attempt a rescue. However, they are captured by the Jem'Hadar and imprisoned in the same cell as Enabran Tain, General Martok, and the real Julian Bashir, who had been secretly replaced several weeks prior without any notice. The Jem'hadar fleet invades the Alpha Quadrant when an attempt to seal the wormhole is sabotaged by the changeling-Bashir.

S05E15 Aired February 17, 1997

By Inferno's Light

Stardate: 50564.2 When the Dominion fleet comes through the wormhole, it soon becomes clear that Cardassia has allied itself with the Dominion and that war is not far off. As the forces of the Alpha Quadrant assemble, the changeling posing as Dr. Bashir is wrecking havoc on Deep Space Nine.

S05E16 Aired February 24, 1997

Doctor Bashir, I Presume?

Stardate: Unknown Bashir is chosen as the model for Starfleet's next Emergency Medical Holographic Doctor. During the process it is revealed that Julian was illegally genetically enhanced as a child, rendering him a genius. However, his father must now face a jail term or his son Julian will be court-martialled from Starfleet.

S05E17 Aired March 31, 1997

A Simple Investigation

Stardate: Unknown A woman has her memories erased and stored on a data crystal to infiltrate the Orion Syndicate. Odo falls in love with her, but must save her life by finding her data crystal.

S05E18 Aired April 07, 1997

Business as Usual

Stardate: Unknown Quark enters into the booming business of arms dealing with his cousin. However, his new enterprise may cost him his life.

S05E19 Aired April 14, 1997

Ties of Blood and Water

Stardate: 50712.5 A Cardassian dissident opposed to the Cardassian/Dominion alliance asks Kira to pose as his daughter so that he may reveal his secrets to use against his enemies as is customary in his culture. Kira must overcome painful memories of her own father's death before she can face him and gain the information.

S05E20 Aired April 21, 1997

Ferengi Love Songs

Stardate: Unknown Quark discovers that his mother, Ishka, is having a love affair with the Grand Nagus Zek. Back on the station, Leeta and Rom decide to get married. However, problems soon arise.

S05E21 Aired April 28, 1997

Soldiers of the Empire

Stardate: Unknown Worf and Dax join a Klingon ship captained by General Martok on his first mission since being freed from the Dominion prison. However, the crew is in such a low state of morale that when they encounter a Jem'Hadar warship, they enter a battle for their lives.

S05E22 Aired May 05, 1997

Children of Time

Stardate: 50814.2 The Defiant enters a barrier surrounding a planet in the Gamma Quadrant, only to find its inhabitants are the crew's descendants from 200 years in the past.

S05E23 Aired May 12, 1997

Blaze of Glory

Stardate: Unknown Sisko receives a message from one of the few surviving Maquis members saying that they will launch undetectable missiles at the Cardassians, which will provoke an all out war. Sisko enlists the help of Eddington to aid him in deactivating them, however, all is not as Sisko had been informed.

S05E24 Aired May 19, 1997

Empok Nor

Stardate: Unknown In order to repair the damaged Deep Space Nine, O'Brien assembles a team to salvage parts from the abandoned Empok Nor. However, their presence sets off an old booby trap that will put all of their lives in danger.

S05E25 Aired June 09, 1997

In the Cards

Stardate: Unknown Jake and Nog attempt to obtain an ancient baseball card to help lift Ben out of his depression. However, in order to get it from its new owner, they must steal equipment from the station, but this brings them under interrogation from the Dominion.

S05E26 Aired June 16, 1997

Call to Arms

Stardate: Unknown Leeta and Rom get married. Sisko decides to mine the wormhole, which will likely start the war. When their plan is detected, Sisko is forced to evacuate the station and endorse the non-aggression pact between Bajor and the Dominion. While patrolling the border, General Martok detects the first wave of Dominion ships headed for Deep Space Nine. All remaining Starfleet personnel are ordered to leave the station. Kira, Odo, Quark, Rom, Morn and Jake stay behind on the station and disable it as it is handed over to the Dominion.