Star Trek: Deep Space Nine - Season 4

Season 4 of Deep Space Nine marks a major shift for the series, as it introduces a new conflict between the Federation and the Klingon Empire, sparked by the latter's distrust of the shape-shifting Founders. Worf, the former security chief of the USS Enterprise-D, joins the station's crew as Sisko's strategic operations officer, and faces challenges in his loyalty, honor, and family.

26 Episodes

The Way of the Warrior (1)

Season 4 - Episode 1

Stardate: 49011.4. When the Klingons bring a task force to DS9, Captain Sisko sends for Starfleet's lone Klingon officer, Worf, to uncover ...

The Way of the Warrior (2)

Season 4 - Episode 2

Stardate: 49011.4. Sisko becomes uncomfortable when the Klingons station a task force to help defend against the Dominion. Worf is summoned ...

The Visitor

Season 4 - Episode 3

Stardate: Unknown. Melanie, an aspiring writer, wants to know why Jake Sisko stopped writing at 40. Jake tells how his father died in an acc...

Hippocratic Oath

Season 4 - Episode 4

Stardate: 49066.5. Bashir is asked to help a group of renegade Jem'Hadar break their addiction to ketracel white. Meanwhile Worf is dissatis...

Indiscretion

Season 4 - Episode 5

Stardate: Unknown. Kira and Gul Dukat go after the lost prison ship Ravinok. Dukat has a secret. Meanwhile Kasidy Yates tries to find work n...

Rejoined

Season 4 - Episode 6

Stardate: 49195.5. Lenara Kahn, the new host of the wife of Dax's former host Torias, comes to the station. While they're not allowed to ren...

Starship Down

Season 4 - Episode 7

Stardate: 49263.5. A damaged Defiant must play a dangerous game of cat-and-mouse with two Jem'hadar ships inside a gas giant.

Little Green Men

Season 4 - Episode 8

Stardate: Unknown. Quark and Rom take Nog to Earth and Starfleet Academy, but a malfunction with the ship takes the crew back in time, to Ro...

The Sword of Kahless

Season 4 - Episode 9

Stardate: Unknown. Worf, Dax and the Klingon Dahar master Kor set out to find an ancient lost relic: the Sword of Kahless.

Our Man Bashir

Season 4 - Episode 10

Stardate: Unknown. When an transporter emergency turns the command crew into holosuite characters, Bashir's James Bond fantasy takes on a de...

Homefront (1)

Season 4 - Episode 11

Stardate: 49170.65. Sisko travels to Earth when a bombing at a Federation conference is determined to be the work of Changelings.

Paradise Lost (2)

Season 4 - Episode 12

Stardate: Unknown. When Starfleet institutes martial law to combat the Changeling Menace, Sisko begins to question if the Dominion is the re...

Crossfire

Season 4 - Episode 13

Stardate: Unknown. First Minister Shakaar visits the station, despite a threat of assassination. He falls in love with Kira much to Odo's di...

Return to Grace

Season 4 - Episode 14

Stardate: Unknown. Dukat returns, stripped of his prestige, to escort Kira to a Cardassian conference about the Dominion. But an attack by a...

Sons of Mogh

Season 4 - Episode 15

Stardate: 49556.2. Worf's brother Kurn asks him to perform a death rite to regain his lost honor. Meanwhile Kira and O'Brien investigate Kli...

Bar Association

Season 4 - Episode 16

Stardate: Unknown. Unfair working conditions and pay cuts cause Rom to organize a union of the employees of Quark's Bar. Meanwhile Worf stil...

Accession

Season 4 - Episode 17

Stardate: Unknown. A man claiming to be the emissary comes through the wormhole. Sisko is happy to give up his position. Meanwhile Keiko ret...

Rules of Engagement

Season 4 - Episode 18

Stardate: 49665.3. When Worf destroys a civilian shuttle during an engagement with the Klingons, an extradition hearing is held to see if he...

Hard Time

Season 4 - Episode 19

Stardate: Unknown. O'Brien tries to re-integrate to life on the station after serving 20 years in a virtual prison.

Shattered Mirror

Season 4 - Episode 20

Stardate: Unknown. When the Mirror Universe counterpart of Sisko's deceased wife lures Jake to the other side, Sisko must follow and help th...

The Muse

Season 4 - Episode 21

Stardate: Unknown. A mysterious woman approaches Jake about his future as a writer. Odo promises to do whatever it takes to help Lwaxana Tro...

For the Cause

Season 4 - Episode 22

Stardate: Unknown. Sisko must face betrayal when evidence surfaces that Kasidy is smuggling for the Maquis. Meanwhile Garak makes acquaintan...

To the Death

Season 4 - Episode 23

Stardate: 49904.2. A renegade group of Jem'Hadar plunders Deep Space Nine. Sisko agrees to a combat operation with loyal Jem'Hadar to preven...

The Quickening

Season 4 - Episode 24

Stardate: Unknown. Bashir tries to help a planet in the grips of a Dominion-engineered plague that guarantees a painful death.

Body Parts

Season 4 - Episode 25

Stardate: Unknown. Quarks hears on Ferenginar he is going to die. Rom convinces him to sell his remains. After an accident, Bashir has to mo...

Broken Link

Season 4 - Episode 26

Stardate: 49962.4. Odo is suddenly struck by illness. He is barely able to hold shape. Bashir and Odo see no other alternative then going to...