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.
With the war between Klingons and Federation intensifying, Sisko must make a plan to expose Gowron as a changeling. Odo is still having trouble with becoming a solid.
2: The Ship
Oct 7, 1996
The crew is forced to retreat in a crashed Jem'Hadar ship after an attack by the Jem'Hadar. They get the feeling there's something very important about this ship.
3: Looking for par'Mach in All the Wrong Places
Oct 14, 1996
While Worf helps Quark to pursue his former wife Grilka, O'Brien and Kira grow uncomfortably close to each other.
4: Nor the Battle to the Strong
Oct 21, 1996
Jake, reporting from the front lines, sees what war truly is.
5: The Assignment
Oct 28, 1996
An alien entity has possessed Keiko's body and is holding it hostage until O'Brien completes an assignment for it.
6: Trials and Tribble-ations
Nov 4, 1996
Darvin, a disgraced Klingon spy, travels back in time to alter some events to his likings. The DS9 crew must find what he's trying to change and prevent it without altering the time line. They'll have to blend in with the crew from Star Trek: The Original Series.
7: Let He Who Is Without Sin...
Nov 11, 1996
While vacationing on Risa, Worf and Dax meet a group of fundamentalist protesters who claim that the Federation has gone soft.
8: Things Past
Nov 18, 1996
Sisko, Dax, Odo and Garak find themselves in the past when the Cardassians controlled the station, and a crime that Odo investigated may be the key.
9: The Ascent
Nov 25, 1996
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.
10: Rapture
Dec 30, 1996
Sisko begins having visions that may show him how to best help Bajor, but they're killing him.
11: The Darkness and the Light
Jan 6, 1997
A mysterious assassin begins wiping out all the members of Kira's old resistance cell.
12: The Begotten
Jan 27, 1997
The discovery of an infant Changeling gives Odo a chance to correct what he sees as the "mistakes" in his upbringing. But as Starfleet's pressure for results grows, he has to turn to his "father," Dr. Mora
13: For the Uniform
Feb 3, 1997
When the traitorous Eddington returns, Sisko will go to any lengths to capture him.
14: In Purgatory's Shadow (1)
Feb 10, 1997
A coded message from the Gamma Quadrant leads Garak to believe his mentor, Enabran Tain, is still alive. He and Worf seek him out, only to discover something much worse: a Dominion invasion fleet poised to attack the Alpha Quadrant.
15: By Inferno's Light (2)
Feb 17, 1997
The station readies for a Dominion attack. Worf and Garak meet some unexpected friends in a Dominion Prison camp.
16: Doctor Bashir, I Presume?
Feb 24, 1997
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.
17: A Simple Investigation
Mar 31, 1997
Odo becomes romantically attached to a woman working with the Orion Syndicate.
18: Business as Usual
Apr 7, 1997
Quark must wrestle with his conscience when he becomes involved with arms merchants.
19: Ties of Blood and Water
Apr 14, 1997
When a Cardassian official that thinks of Kira as his daughter is dying, he agrees to reveal all he knows to her. But the experience dredges up Kira's memories of her own father's death.
20: Ferengi Love Songs
Apr 21, 1997
Quark doesn't know whether to be panicked or overjoyed when he learns that his mother is the new lover of the Grand Nagus.
21: Soldiers of the Empire
Apr 28, 1997
Dax and Worf accompany Martok on his first command since being held by the Dominion. But the ship they are given hasn't seen victory in months and the crew is near mutinous.
22: Children of Time
May 5, 1997
The DS9 cast discovers a small colony on a remote world that was originally populated by them 200 years earlier due to a time-travel accident with the Defiant. The current colonists lives depend on making sure that accident happens again, even though they've now forwarned the crew that it will happen. Each crew member needs to decide if they are willing to give up their lives on DS9 in order to preserve the history of the colony.
23: Blaze of Glory
May 12, 1997
Driven to desperation by the Dominion, the Maquis launch a massive bio-weapons strike towards Cardassia. Sisko must trust the traitor Eddington to try to stop them.
24: Empok Nor
May 19, 1997
While salvaging components from DS9's sister station, the crew run afoul of a "surprise" left behind by the Cardassians.
25: In the Cards
Jun 9, 1997
Jake and Nog go through hell and high water, from participating in an auction to dealing with the Dominion, to receiving a Willie Mays baseball card to cheer up the war-fatigued Captain Sisko.
26: Call to Arms
Jun 16, 1997
With the continuing battalions of Jem'Hadar entering the Alpha Quadrant in preparation for war, Sisko decides to mine the wormhole to prevent further troop movement. This provokes a confrontation between the Dominion and the Federation, forcing Sisko to abandon DS9.
