- Apocalypse Rising (DS9)
Sisko, Odo, O'Brien and Worf enter Klingon territory on a suicide mission to expose Gowron, the Klingon leader, as a Changeling.
- The Ship (DS9)
A severly injured crew member's life hangs in the balance as Sisko battles for control of a crashed Jem'Hadar warship.
- Looking for par'Mach in All the Wrong Places (DS9)
Quark's ex-wife, a Klingon named Grilka visites the station. He tries to win here love again and enlists the help of Dax and Worf. This is especially difficult for Worf because he has fallen in love with Grilka himself.
With Worf's knowledge of Klingon rituals Quark is successfull in winning Grilka, but this outrages Thopok and he challenges Quark to a fight to the death.
Dax creates a virtual control device which allows Worf to control Quark's every move, so he can in essence fight the battle for him. During the fight Worf and Dax have a discussing and accidently damage the control device, leaving Quark defenseless. He manages to stall the fight using Ferengi technics until Dax can repair the control device.
The fight is won by Quark, but instead of killing Thopok Worf makes Quark deliver his sword to Grilka allowing her to honorably discharge Thopok. Worf finally realises that Dax might be the ideal woman he has been looking for.
- Nor the Battle to the Strong (DS9)
Trapped on a planet under Klingon attack, Jake Sisko panics in the heat of battle.
- The Assignment (DS9)
A strange entity takes over Keiko's body and orders O'Brien to complete a secret assignment - or his wife will be killed.
- Trials and Tribble-ations (DS9)
- Let He Who is Without Sin... (DS9)
While vacationing on the planet Risa, Worf falls under the influence of a traditionalist group bent on destroying the pleasure paradise.
- Things Past (DS9)
Sisko, Odo, and Garak are mysteriously placed into the roles of a group of condemned Bajorans executed seven years ago.
- The Ascent (DS9)
Stranded on a desolate planet, longtime adversaries Odo and Quark must rely on each other to survive.
- Rapture (DS9)
Sisko is plagued by life-threatening vision that may hold the key to Bajor's future.
- The Darkness and the Light (DS9)
A mysterious assassin targets the members of Kira's resistance cell for execution.
- The Begotten (DS9)
While Kira gives birth, Odo raises an infant Changeling.
- For the Uniform (DS9)
Sisko risks everything to capture a former crew member who deceived him and joind the Maquis.
- In Purgatory's Shadow (DS9)
Led by Gul Dukat, Cardassia joins the Dominion and prepares to take over the Alpha Quadrant.
- By Inferno's Light (DS9)
- Doctor Bashir, I Presume (DS9)
When Bashir is chosen as the model for Starfleet's holographic doctor program, the process threatens to expose a dark secret from his past.
- A Simple Investigation (DS9)
Odo falls in love with a mysterious woman who has been targeted for murder.
- Business as Usual (DS9)
Jumping at the chance to finally erase his debts, Quark accepts a position working for an arms dealer.
- Ties of Blood and Water (DS9)
The imminent death of Kira's Cardassian "father" rekindles memories of losing her real father.
- Ferengi Love Songs (DS9)
Quark sacrifices his mother's happiness in order to regain his standing in Ferengi society.
- Soldiers of the Empire (DS9)
On a mission for the Klingon Empire, Worf realizes that his friend General Martok is no longer fit to lead.
- Children of Time (DS9)
Sisko and the Defiant crew must choose between the lives they have always known and the lives of their own descendants.
- Blaze of Glory (DS9)
Sisko attempts to force his traitorous former officer to stop a final Maquis attack that could lead to the destruction of the Federation.
- Empok Nor (DS9)
O'Brien, Garak, Nog and a salvage team are stranded on a supposidly abandoned Cardassian space station.
- In the Cards (DS9)
Jake and Nog risk an intergalactic incident in an innocent quest to lift Sisko's spirits.
- Call to Arms (DS9)
Deep Space Nine prepares to face Dominion/Cardassian attack.