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Star Trek: Deep Space Nine: Season 4

25 episodes Premiered Oct 2, 1995 Updated Sep 25, 2026

Star Trek: Deep Space Nine Season 4 continues the overarching saga across 25 episodes. Set at the edge of the Final Frontier, where the universe's greatest mystery is about to unfold, the season is part of the television series that originally premiered in 1993 and is categorized under genres including science fiction, fantasy, action, adventure, and drama. The series carries a TV-PG rating on the platform. The provi

Previously on Star Trek: Deep Space Nine

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ The series takes place at the edge of the Final Frontier.
  • ⚡ The overarching saga is set to continue across its fourth season consisting of 25 episodes.
  • ⚡ The show falls under the genres of science fiction, fantasy, action, adventure, and drama.
  • ⚡ The television series originally began broadcasting in the year 1993.
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Season overview

Star Trek: Deep Space Nine Season 4 continues the overarching saga across 25 episodes. Set at the edge of the Final Frontier, where the universe's greatest mystery is about to unfold, the season is part of the television series that originally premiered in 1993 and is categorized under genres including science fiction, fantasy, action, adventure, and drama. The series carries a TV-PG rating on the platform. The provided materials do not contain further specific plot events, character arcs, guest stars, or episodic details for this particular season beyond these production facts, genre classifications, and the total episode count provided in the synopsis and sources.

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Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

24%
76%
Mytharc (6): Crucial lore & season climaxes
Core (19): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

The Way of the Warrior

Oct 2, 1995 · 90 min

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 mysterious intentions of their prese

S4·E2 Mytharc

The Visitor

Oct 9, 1995 · 45 min

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

S4·E3 Core

Hippocratic Oath

Oct 16, 1995 · 45 min

Stardate: 49066.5. Bashir is asked to help a group of renegade Jem'Hadar break their addiction to ketracel white. Meanwhile Worf is dissatisfied with the way Odo runs security.

S4·E4 Core

Indiscretion

Oct 23, 1995 · 45 min

Stardate: Unknown. Kira and Gul Dukat go after the lost prison ship Ravinok. Dukat has a secret. Meanwhile Kasidy Yates tries to find work near Bajor, leaving Sisko uncomfortable.

S4·E5 Core

Rejoined

Oct 30, 1995 · 45 min

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 renew their relation, there's still a spark

S4·E6 Core

Little Green Men

Nov 6, 1995 · 45 min

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 Roswell New Mexico in 1947.

S4·E7 Core

Starship Down

Nov 13, 1995 · 45 min

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

S4·E8 Core

The Sword of Kahless

Nov 20, 1995 · 45 min

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

S4·E9 Core

Our Man Bashir

Nov 27, 1995 · 45 min

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

S4·E10 Core

Homefront (1)

Jan 1, 1996 · 45 min

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

S4·E11 Mytharc

Paradise Lost (2)

Jan 8, 1996 · 45 min

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

S4·E12 Core

Crossfire

Jan 29, 1996 · 45 min

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

S4·E13 Core

Return to Grace

Feb 5, 1996 · 45 min

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

S4·E14 Core

Sons of Mogh

Feb 12, 1996 · 45 min

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 Klingon activity near the Bajoran border.

S4·E15 Core

Bar Association

Feb 19, 1996 · 45 min

Stardate: Unknown. Unfair working conditions and pay cuts cause Rom to organize a union of the employees of Quark's Bar. Meanwhile Worf still finds it hard to settle on the station

S4·E16 Core

Accession

Feb 26, 1996 · 45 min

Stardate: Unknown. A man claiming to be the emissary comes through the wormhole. Sisko is happy to give up his position. Meanwhile Keiko returns and O'Brien stops spending time wit

S4·E17 Core

Rules of Engagement

Apr 8, 1996 · 45 min

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

S4·E18 Core

Hard Time

Apr 15, 1996 · 45 min

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

S4·E19 Core

Shattered Mirror

Apr 22, 1996 · 45 min

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

S4·E20 Core

The Muse

Apr 29, 1996 · 45 min

Stardate: Unknown. A mysterious woman approaches Jake about his future as a writer. Odo promises to do whatever it takes to help Lwaxana Troi keep her baby over the father's wishes

S4·E21 Mytharc

For the Cause

May 6, 1996 · 45 min

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

S4·E22 Core

To the Death

May 13, 1996 · 45 min

Stardate: 49904.2. A renegade group of Jem'Hadar plunders Deep Space Nine. Sisko agrees to a combat operation with loyal Jem'Hadar to prevent the renegades completing a planetary g

S4·E23 Core

The Quickening

May 20, 1996 · 45 min

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

S4·E24 Mytharc

Body Parts

Jun 10, 1996 · 45 min

Stardate: Unknown. Quarks hears on Ferenginar he is going to die. Rom convinces him to sell his remains. After an accident, Bashir has to move Keiko's baby to Kira's womb.

S4·E25 Mytharc

Broken Link

Jun 17, 1996 · 45 min

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 the Founders. Garak wants to come along

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