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Season guide

Star Trek: Enterprise: Season 1

25 episodes Premiered Sep 26, 2001 Updated Jul 20, 2026

Star Trek: Enterprise is a science fiction, action, adventure, and drama television series that premiered in 2001. Set during the mid-22nd century, the narrative takes place a century before the five-year mission of Captain Kirk. The series follows Captain Jonathan Archer, the son of the warp engine pioneer Henry, as he assembles a crew and commands the United Earth ship Enterprise. As the vessel ventures into the he

Season overview

Star Trek: Enterprise is a science fiction, action, adventure, and drama television series that premiered in 2001. Set during the mid-22nd century, the narrative takes place a century before the five-year mission of Captain Kirk. The series follows Captain Jonathan Archer, the son of the warp engine pioneer Henry, as he assembles a crew and commands the United Earth ship Enterprise. As the vessel ventures into the heavens, the story explores the early years of Starfleet. These initial missions serve as a precursor to significant historical events, including the Earth-Romulan War and the eventual formation of the Federation. The series, which ran until 2005, focuses on the foundational era of space exploration as humanity begins its journey into deep space. By documenting the experiences of Archer and his crew, the show provides a look at the origins of the organizations and conflicts that define the broader franchise timeline. Through the deployment of the new starship Enterprise, the crew navigates the challenges of early interstellar travel during a pivotal period in Earth's history.

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Season 1 Episodes

Episode Guide

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Season 1 Progress Shield

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Binge Efficiency Engine

Season 1: Filler vs. Essential Canon

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

16%
84%
Mytharc (4): Crucial lore & season climaxes
Core (21): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

Broken Bow

Sep 26, 2001 · 86 min

The Enterprise, under Captain Jonathan Archer, sets off on its maiden voyage with a mission to return a wounded Klingon to his people.

S1·E3 Core

Fight or Flight

Oct 3, 2001 · 44 min

Captain Archer wants to convert curiosity into deeds and decides to enter a ship floating in space. Hoshi has trouble adjusting to life on Enterprise.

S1·E4 Core

Strange New World

Oct 10, 2001 · 44 min

Archer sends an away team to a habitable, luscious planet for observation. But when a storm occurs, the team begins to experience paranoid delusions.

S1·E5 Core

Unexpected

Oct 17, 2001 · 44 min

When Trip is dispatched to assist a Xyrillian ship with its power source problems, he is delighted to have a friendly encounter with one of the ship's female engineers. However, sh

S1·E6 Core

Terra Nova

Oct 24, 2001 · 44 min

The Enterprise crew alters course to investigate the mystery of Terra Nova, a legendary Earth colony whose inhabitants mysteriously disappeared decades ago. But when they arrive, t

S1·E7 Core

The Andorian Incident

Oct 31, 2001 · 44 min

Enterprise visits an ancient Vulcan spiritual sanctuary, despite T'Pol's concerns that her human colleagues will be an awkward and disruptive presence there. Upon landing, they dis

S1·E8 Core

Breaking the Ice

Nov 7, 2001 · 44 min

A Vulcan starship interferes with Archer's probe of an oversized comet.

S1·E9 Core

Civilization

Nov 14, 2001 · 44 min

Captain Archer and the crew discover a fully inhabited, civilized though less advanced Earth-like planet. Disguised to look like its inhabitants, they pay the planet an exploratory

S1·E10 Core

Fortunate Son

Nov 21, 2001 · 44 min

The Enterprise crew is dispatched by Starfleet Command to assist Fortunate, a human freight vessel that has been attacked by Nausicaan pirates. On arriving, they are surprised to f

S1·E11 Core

Cold Front

Nov 28, 2001 · 44 min

When the Enterprise comes in contact with an alien vessel transporting stargazers to observe a spectacular stellar event, Archer invites them aboard the ship not realizing that Sil

S1·E12 Core

Silent Enemy

Jan 16, 2002 · 44 min

When Enterprise is attacked by an unidentified enemy ship, the crew must work frantically to get their new phase canons to operate. Meanwhile, the captain charges Hoshi with findin

S1·E13 Mytharc

Dear Doctor

Jan 23, 2002 · 44 min

The crew discovers a new planet with two races, one in desperate need of medical and scientific assistance. In the course of trying to help, Dr. Phlox recalls his own Denobulan pas

S1·E14 Core

Sleeping Dogs

Jan 30, 2002 · 44 min

While investigating a gas giant, Enterprise comes across a damaged vessel hovering in the atmosphere, and T'Pol, Hoshi and Malcolm board the vessel to investigate. However, once ab

S1·E15 Core

Shadows of P'Jem

Feb 6, 2002 · 44 min

Archer and the crew are disappointed to discover that T'Pol has been ordered by the Vulcan High Command to leave Enterprise--and equally frustrated at her seeming indifference to l

S1·E16 Core

Shuttlepod One

Feb 13, 2002 · 45 min

Tucker and Reed set out on a mission in a shuttlepod, as Enterprise is busy investigating an asteroid field. Disaster strikes while the pair are away, leaving the shuttlepod damage

S1·E17 Core

Fusion

Feb 27, 2002 · 44 min

Enterprise encounters a group of Vulcan civilians who have split off from the normal way of Vulcan life in an effort to explore their emotions. T'Pol is disturbed by the new visito

S1·E18 Core

Rogue Planet

Mar 20, 2002 · 44 min

While exploring an uncharted planet, Enterprise crew members encounter a group of aliens who are hunting down indigenous creatures for recreation. During their exploration, Archer

S1·E19 Core

Acquisition

Mar 27, 2002 · 44 min

Enterprise encounters Ferengi pirates who use a booby-trapped artifact to gas the crew into unconsciousness, then pillage the ship for treasures. But they haven't counted on Tucker

S1·E20 Core

Oasis

Apr 3, 2002 · 44 min

While exploring a crashed vessel on a desolate planet, the Enterprise crew is haunted by some ghostly figures, and they encounter an alien race that has survived despite insurmount

S1·E21 Core

Detained

Apr 24, 2002 · 44 min

While exploring a planet, Archer and Mayweather enter a “military zone” and are detained in an internment prison by an alien race called Tandarans, who are at war with the Suliban.

S1·E22 Core

Vox Sola

May 1, 2002 · 44 min

A strange, alien creature comes aboard Enterprise, and captures several crew members in its cocoon-like web. With her crewmates' lives in jeopardy, Hoshi faces her biggest challeng

S1·E23 Core

Fallen Hero

May 8, 2002 · 44 min

Enterprise is sent to the planet Mazar to pick up a Vulcan ambassador who has been expelled for misconduct.

S1·E24 Core

Desert Crossing

May 8, 2002 · 44 min

When Archer and Trip are invited to a desert-like planet by an alien leader, they discover he is a terrorist who has lured them there under false pretences. Meanwhile, T'Pol, while

S1·E25 Mytharc

Two Days and Two Nights

May 15, 2002 · 44 min

Archer, Hoshi, Travis, Malcolm and Trip have decidedly different experiences during shore leave on Risa. Meanwhile, on Enterprise, Phlox enters his annual hibernation cycle.

S1·E26 Mytharc

Shockwave (1)

May 22, 2002 · 44 min

Starfleet orders Enterprise to return home when the crew seemingly causes the destruction of an alien planet. However, a visit from Crewman Daniels leads Archer to believe that thi