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.
Enterprise is dispatched by Starfleet Command to assist the Fortunate, a human freight vessel that has been attacked by Nausicaan pirates.
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.moreless
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 favorite food in time for a surprise birthday dinner.
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.moreless
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.moreless
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.moreless
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.moreless
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.
Enterprise encounters alien pirates who use a booby-trapped artifact to gas the crew into unconsciousness, then pillage the ship for treasures.
While searching for components to repair Enterprise, crew members encounter ghostly beings aboard a crashed vessel.
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.
Enterprise is sent to the planet Mazar to pick up a Vulcan ambassador who has been expelled for misconduct.