Season 4
Episode Guide
The Way Of the Warrior
S4
E1
An overwhelming Klingon task force mysteriously arrives at the station, supposedly to aid their Federation allies in the fight against the Dominion.
The Visitor
S4
E3
An accident on the U.S.S. Defiant traps Ben Sisko in subspace.
Hippocratic Oath
S4
E4
O'Brien and Bashir are captured by a group of renegade Jem'Hadar who want them to find a cure for the biological addiction to the enzyme 'Ketracel White' which they need for survival
Indiscretion
S4
E5
Gul Dukat asks Kira to help him search for Bajoran prisoners of war - one of which is his half Cardassian/half Bajoran daughter Ziyal.
Rejoined
S4
E6
Jadzia rekindles a relationship when she meets the current host of the wife of one Dax's past hosts, Torias.
Starship Down
S4
E7
During negotiations with the Karemma, the Defiant is attacked by the Jem'Hadar.
Little Green Men
S4
E8
While on their way to Starfleet Academy on Earth, Quark, Rom and Nog are thrown back in time and crash land in the small town of Roswell, New Mexico in the year 1947.
The Sword Of Kahless
S4
E9
Jadzia, Worf and Kor hunt for the ancient Sword of Kahless, which is supposed to unite the Klingon Empire
Our Man Bashir
S4
E10
A transporter accident traps the senior crew of Deep Space Nine in Bashir's James Bond-like holodeck scenario, with each one taking the role of different characters.
Homefront
S4
E11
Starfleet Command places Sisko and Odo in command of Starfleet Security, as they believe that Changelings may have infiltrated Earth.
Paradise Lost
S4
E12
Earth has been placed under martial law and security troops have been deployed in anticipation of a Dominion invasion.
Crossfire
S4
E13
Odo is ordered to protect First Minister Shakaar, however, he becomes jealous when Kira and Shakaar become involved with one another.
Return To Grace
S4
E14
Gul Dukat asks for the assistance of Kira to help him track down a Klingon ship that destroyed a Cardassian Outpost.
Sons Of Mogh
S4
E15
When Kurn, Worf's brother, comes to Deep Space Nine, he asks Worf to kill him as his family has been dishonored by Worf's actions, and he can't live with the shame.
Bar Association
S4
E16
Rom breaks Ferengi law and organises a Union movement in order to improve the working conditions Quark subjects his employees to.
Accession
S4
E17
200 years after his disappearance, a Bajoran poet emerges from the wormhole claiming to be the real Emissary.
Rules Of Engagement
S4
E18
Worf faces extradition to his homeworld when he destroys a Klingon transport and is solely responsible for the deaths of the 441 passengers.
Hard Time
S4
E19
The Argrathi falsely accuses Miles O'Brien of espionage.
Shattered Mirror
S4
E20
Sisko must help a band of rebels fight a Klingon-Cardassian alliance in the mirror universe.
The Muse
S4
E21
A pregnant Lwaxana Troi arrives on Deep Space Nine, distressed over the prospect of having her child taken away by its Tavnian father.
For The Cause
S4
E22
Sisko discovers that Kasidy is smuggling medical supplies to the Maquis.
To The Death
S4
E23
The future of peace at stake when a band of renegade Jem'Hadar discovers an ancient Iconian Gateway, which can enable them to launch attacks anywhere in the galaxy.
The Quickening
S4
E24
Bashir and Dax try to find a cure for a planet-wide infection that was induced by the Jem'Hadar as a form of punishment for disobeying the Dominion.
Body Parts
S4
E25
When Quark believes he is going to die, he performs the custom of selling off his desiccated remains in advance for profit. Keiko is seriously injured in an accident, and her developing baby must be transplanted.
Broken Link
S4
E26
When Odo contracts a mysterious illness, the Defiant crew bring him to the Gamma Quadrant to find the Founders.