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

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.

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

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…

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, they confront descendents of the colonists who have become mo…

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…

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

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 visit where they learn that a pernicious illness is afflict…

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 find that Fortunate's crew is resistant to Archer's efforts t…

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 Silik, a Suliban enemy, is among them. Archer quickly realizes …

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 finding out Malcolm's favorite food in time for a surprise birthda…

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.

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 hija…

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 offi…

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…

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 in…

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 w…

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, who happens to be in the decon chamber and avoids the gas,…

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 insurmountable odds. Trip helps repair their derelict vessel and is be…

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 Su…

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 …

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

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 in command, faces a tough decision when she cannot locate A…

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

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 temp…