1. Broken Bow  

First aired: 9/26/2001    Production Code: 40358-721

After decades of being held back from deep space exploration by the Vulcans, Captain Jonathan Archer takes command of the NX-01 Enterprise—Earth's first warp five starship.

Enterprise's mission is to return an injured Klingon, the first the human race has ever encountered, to his people. However, when a villainous race of aliens called the Suliban kidnap the Klingon, Archer and his crew must make an unexpected detour to Rigel X to retrieve their alien cargo and stave of an interstellar crisis.

2. Fight or Flight  

First aired: 10/3/2001    Production Code: 40358-003

As they continue their deep space exploration, Enterprise comes across an alien ship where they discover humanoid corpses that seem to have been part of a scientific experiment. The horrific sight inspires Hoshi to panic and demand a return to Earth, but Archer insists on continuing the mission and finding out more about the abandoned dead.

3. Strange New World  

First aired: 10/10/2001    Production Code: 40358-004

Enterprise investigates an uninhabited planet that turns out to be far more dangerous than expected. The crew members that visit the planet are infected by an alien pollen that induces hallucinations and paranoia.

4. Unexpected  

First aired: 10/17/2001    Production Code: 40358-005

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, shortly after returning to Enterprise, he discovers that their seemingly innocuous interaction has led to a surprising result.

5. Terra Nova  

First aired: 10/24/2001    Production Code: 40358-006

The Enterprise crew alters course to investigate the mystery of Terra Nova, a legendary Earth colony whose inhabitants mysteriously disappeared decades ago. However, when they arrive, they are confronted by descendants of the colonists, who have become more alien than anyone could ever have imagined.

6. The Andorian Incident  

First aired: 10/31/2001    Production Code: 40358-007

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 discover that the monastery has been forcibly taken over by the Andorians, a paranoid and highly excitable race of aliens with a long history of conflict with the Vulcans.

7. Breaking the Ice  

First aired: 11/7/2001    Production Code: 40358-008

Trip learns that T'Pol is transmitting secret messages to a Vulcan ship, the T'Mir, which has been shadowing Enterprise for weeks. Meanwhile, Archer must attempt a dangerous rescue to recover two crewman stranded on a rapidly disintegrating comet.

8. Civilization  

First aired: 11/14/2001    Production Code: 40358-009

Captain Archer and the crew discover a fully inhabited, pre-industrial, Minshara class planet. However, upon further investigation, they discover what appears to be advanced technology being used secretly, which may responsible for a terrible illness.

9. Fortunate Son  

First aired: 11/21/2001    Production Code: 40358-010

Enterprise is dispatched by Starfleet Command to assist the Fortunate, a human freight vessel that has been attacked by Nausicaan pirates.

10. Cold Front  

First aired: 11/28/2001    Production Code: 40358-011

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 Silik, a Suliban enemy, is among them. Archer quickly realizes that Silik is engaged in a nefarious time-travelling mission and must stop him before he can tamper with the course of history.

11. Silent Enemy  

First aired: 1/16/2002    Production Code: 40358-014

Enterprise is attacked by an unidentified enemy ship, the crew must work frantically to get their new phase canons online. Meanwhile, the captain charges Hoshi with finding out Malcolm's favourite food in time for a surprise birthday dinner.

12. Dear Doctor  

First aired: 1/23/2002    Production Code: 40358-013

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 past to address the ethical dilemmas that arise in the present.

13. Sleeping Dogs  

First aired: 1/30/2002    Production Code: 40358-012

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 aboard, they are ambushed by a hostile female Klingon who hijacks their shuttlepod and strands them on the Klingon ship, which threatens to implode under the pressure of the planet's atmosphere.

14. Shadows of P'Jem  

First aired: 2/6/2002    Production Code: 40358-015

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 leaving their ranks. T'Pol's last mission as a Starfleet officer, however, proves eventful when she and Archer are kidnapped by a militant faction on an alien planet. However, aid comes to them in the form of the Andorians: their leader, Shran, still owes Archer a debt (from the events of "The Andorian Incident"). It turns out the Vulcans are covertly backing the ruling faction on the planet, while the Andorians are aiding the freedom fighters. With the help of the Andorians, Malcolm and Trip rescue Archer and T'Pol over the objections of the local Vulcan ship, and Shran considers his debt to Archer repaid.

15. Shuttlepod One  

First aired: 2/13/2002    Production Code: 40358-016

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 damaged and the warp drive inoperable. They manage to make it back to the rendezvous coordinates only to discover that Enterprise has apparently been destroyed. With the ship seemingly no more, the pair are left abandoned in the middle of nowhere with only a few days of air remaining.

16. Fusion  

First aired: 2/27/2002    Production Code: 40358-017

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 visitors and warns the Captain that all attempts in the past to integrate Vulcan emotions into their lives has proven disastrous. Meanwhile, a message from Admiral Forrest leaves the Captain with the difficult task of trying to convince one of the visiting Vulcans to call home to speak with his dying father.

17. Rogue Planet  

First aired: 3/20/2002    Production Code: 40358-018

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 is mesmerized by visions of an elusive, yet familiar woman who needs his help.

18. Acquisition  

First aired: 3/27/2002    Production Code: 40358-019

Enterprise encounters alien pirates who use a booby-trapped artifact to gas the crew into unconsciousness, then pillage the ship for treasures.

19. Oasis  

First aired: 4/3/2002    Production Code: 40358-020

While searching for components to repair Enterprise, crew members encounter ghostly beings aboard a crashed vessel.

20. Detained  

First aired: 4/24/2002    Production Code: 40358-021

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. While the Enterprise crew's previous encounters with the Suliban have been disastrous, Archer and Mayweather find themselves sharing a cell with some Suliban detainees who they believe may be wrongly imprisoned.

21. Vox Sola  

First aired: 5/1/2002    Production Code: 40358-022

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 challenge yet, in trying to communicate with the lifeform, in order to return it to its home planet.

22. Fallen Hero  

First aired: 5/8/2002    Production Code: 40358-023

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

23. Desert Crossing  

First aired: 5/8/2002    Production Code: 40358-025

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.

24. Two Days and Two Nights  

First aired: 5/15/2002    Production Code: 40358-024

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

25. Shockwave (1)  

First aired: 5/22/2002    Production Code: 40358-026

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 this disaster was the plot of one of the factions from the temporal cold war.