Broken Bow, Parts I and II
Captain Archer decides to return an injured Klingon people back to his people. They run into a species attempting to kill the Klingon, the Suliban.
Fight or Flight
The Enterprise crew comes across a ship of 15 dead humanoid bodies that were part of a scientific experimentation. Enterprise is in danger by the aliens conducting the experiments.
Strange New World
Tucker, Mayweather, and T'Pol and two other crew members become infected with a hallucinogenic flower pollen that sends their imaginations into a state of paranoid overdrive.
Trip, Mayweather and T'Pol go on a survey mission to a seemingly uninhabited Earth-like planet where a mysterious alien presence sends them into a state of paranoid overdrive. When a violent storm strands them on the planet, Archer must find a way to save his crewmembers before they turn dangerously upon one another.
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 more alien than Archer could ever have imagined.
The Andorian Incident
Trip learns that T'Pol is transmitting secret messages to a Vulcan ship,
which has been shadowing Enterprise for weeks. Meanwhile, Archer must
attempt a dangerous rescue to recover two crewman stranded on a rapidly
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 afflicting the local population. As Archer seeks to help them find the maladyís source, he finds himself in a close encounter with a comely female alien.
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 to help them and determined to seek revenge against their attackers, no matter what the repercussions.
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 that Silik is engaged in a nefarious time-traveling mission and must stop him before he can tamper with the course of history.
When Enterprise is attacked by an unidentified enemy ship, the crew must work frantically to get their new phase cannons to operate. Meanwhile, Archer realizes that no one knows Reed well enough to give him a personalized birthday gift.
The crew encounters an alien race in desperate need of medical and scientific assistance. Phlox declines to assist them because of his ethical beliefs leaving Archer to decide whether to help them find their own solutions.
When Enterprise comes across a wounded Klingon vessel, T'Pol, Hoshi, and Reed take a shuttle pod down to investigate. There they are ambushed by a hostile female Klingon who hijacks the shuttle pod, leaving the Enterprise crewmembers dangerously stranded on the Klingon vessel. Now it is up to Archer to take the Klingon under guard and enlist her help in rescuing his crew.
Shadows of P'Jem
Archer and the crew are disappointed to discover that T'Pol has been ordered by the Vulcan High Command to leave the 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 and find themselves once again at the mercy of the volatile Andorians.
On a routine shuttlepod mission to investigate an asteroid field, Trip and Reed find themselves suddenly cut off from the Enterprise and become convinced that Enterprise has been destroyed. With a limited oxygen supply and almost no chance of being rescued, the opposite-minded twosome must battle their annoyance with one another while also coming to terms with their impending demise.
The Enterprise hosts a group of Vulcans who, unlike T'Pol and the other Vulcan High Command, are eager to embrace and experience their own emotions. When one of their rank tempts her to adapt their more free-spirited approach to life, T'Pol finds herself faced with a confusing and intriguing dilemma.
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 a woman desperately attempting to communicate with him. The woman's ethereal distress signal informs Archer that she and others like her are actually the prey of the alien hunters. Heeding her call, Archer levels the playing field against the alien hunters.
When the Ferengi, a group of intergalactic thieves, stun the Enterprise crew and try to rob the ship, it's up to Trip to work covertly to stop them. After the Ferengi awaken the Captain to force his assistance in pillaging his ship, Trip secretly reveals to Archer that he has inadvertently escaped the effects of the noxious gas and they work together to try to surreptitiously thwart the robbery and save the crew.
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 befriended by Liana, an attractive humanoid alien who develops feelings for him.
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.
A strange, symbiotic alien creature boards the Enterprise capturing a few of the crew members, including Archer and Trip, and cocoons them in its web feeding off their bodies to survive. With the captured crewmembers' lives in jeopardy, Hoshi, under T'Pol's command, faces her biggest challenge by trying to find a way to communicate with the lifeform in order to return it to its home planet.
When a Vulcan ambassador is accused of wrongdoing, Archer must risk the crew and his ship to find her innocent.
Archer and Tucker are lured to a desert-like planet by a terrorist. T'Pol is having trouble locating Archer and Tucker on the planet.
Two Days and Two Nights
When some of the crew takes shore leave, some find love and some find major trouble. Reed and Tucker are stripped and robbed. Sato finds love with another translator. Mayweather suffers a rock climbing accident. T'Pol and Cutler must wake a hibernating Dr. Phlox to heal Mayweather. Archer runs into a mysterious woman.
Shockwave, Part I
The Suliban return and try to frame Enterprise for destroying a planet. Archer must rely on Daniels' help to prove to the Vulcans and Starfleet that Enterprise didn't do it, but something terrible happens when Daniels takes Archer to the future.