1x01Broken Bow
In the mid-22nd century, the Earth ship Enterprise is launched under the command of Captain Jonathan Archer. When the crew rescues an alien from a crashed spaceship, Earth gets its first look at the alien's race - the Klingons. Archer and his crew must walk a fine line as they attempt to communicate with the Klingon pilot, whose language is completely unknown, and whose homeworld wants him back. Is this the beginning of friendship...or interstellar war?
1x02Fight or Flight
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.
1x03Strange New World
Archer sends an away team to a habitable, luscious planet for observation. But when a storm occurs, the team begins to experience paranoid delusions.
1x04Unexpected
After helping to repair the warp drive on board of a Xyrillian ship, Trip notices a strange bulging on his arm.
1x05Terra Nova
Enterprise tries to find out what happened on Terra Nova, the first colonization attempt outside Earth's solar system.
1x06The Andorian Incident
Archer, Trip and T'Pol are captured by the Andorians at a Vulcan monastery on P'Jem. They believe that the monastery is being used to spy on Andoria.
1x07Breaking the Ice
Enterprise discovers a comet which contains the very rare element eisilium. Then unexpectedly a Vulcan ship arrives. Captain Vanik tells they are interested in human behavior.
1x08Civilization
T'Pol finds unusual neutrino readings on a planet with a preindustrial society.
1x09Fortunate Son
Enterprise is sent to help the freighter Fortunate after an attack. However, its first officer, Ryan, is hiding something.
1x10Cold Front
Enterprise has a group of aliens watching a stellar phenomenon on board. When the ship is miraculously saved from blowing up, crewman Daniels has an important message for Archer.
1x11Silent Enemy
After an attack by a mysterious ship, Archer orders Enterprise's return to Jupiter to install phase cannons; Hoshi makes plans for Malcolm's birthday.
1x12Dear Doctor
Phlox is asked to save the Valakians from annihilation by disease. However, he discovers something unusual about the Menk, another humanoid race on the planet.
1x13Sleeping Dogs
Enterprise tries to rescue a Klingon ship from sinking into a gas giant.
1x14Shadows of P'Jem
T'Pol is being recalled because of Enterprise's involvement in the destruction of the P'Jem sanctuary. She and Captain Archer are later kidnapped while visiting the planet Coridan.
1x15Shuttlepod One
While returning to Enterprise in Shuttlepod One, Trip and Reed see apparent evidence that the ship has been destroyed. With only days of oxygen left, they must find a way to survive long enough for rescue.
1x16Fusion
When Enterprise encounters a ship of Vulcan pilgrims, T'Pol is convinced by one of them to perform a Vulcan mind meld.
1x17Rogue Planet
Archer has visions of a mysterious humanoid woman on a rogue planet where it is eternally nighttime.
1x18Acquisition
Almost the entire crew is left unconscious when four Ferengi pirates raid Enterprise. A still conscious Trip is the only one who can get rid of them.
1x19Oasis
The crew of Enterprise searches for a seemingly abandoned ship on a desert planet.
1x20Detained
Archer and Mayweather are captured by the Tandarans and placed in a Suliban internment camp.
1x21Vox Sola
A fibrous, web-like alien creature comes aboard the ship and several of the crew become entangled in it including Archer and Trip, and it seems Hoshi is the only one who can try to communicate with the creature.
1x22Fallen Hero
Enterprise is planning a trip to the relaxation planet Risa, when it gets an urgent request from the Vulcan High Command. They must pick up ambassador V'Lar who has fallen in disgrace. Apparently she misused her position during negotiations on the planet Mazar and has been evicted. After Enterprise picked up V'Lar and is on its way for a meeting with the Vulcan warship Sh'ran, suddenly a Mazarite ship appears. They want V'Lar for further interrogating. When captain Archer wants to discuss it first with Starfleet Command, they open fire.
1x23Desert Crossing
Enterprise is for the second time on its way to Risa when yet again another urgent matter comes up: a distress call. It comes from a small vessel. The owner, Zobral, is extremely happy with the help from Enterprise and invites Captain Archer to his home world for a good meal and a game of Geskana. When Archer and Trip have landed on the desert planet, Enterprise gets a message from the Torothan Chancellor Trelit. He says Zobral isn't as nice a man as captain Archer thinks.
1x24Two Days and Two Nights
The members of the Enterprise crew are faced with various misadventures and challenges while taking a two day break from their duties on the planet of Risa.
1x25Shockwave, Part I
After apparently causing the destruction of an alien colony, the Enterprise is called back to Earth. Archer learns via Daniels that the Suliban are trying to sabotage Enterprise's mission.