October 8, 2004 8:00 pm
Archer and the NX-01 find themselves in Earth's past, with events of World War II altered by the Temporal Cold War.
October 15, 2004 8:00 pm
With Silik's help, Archer hones in on the temporal operative who altered Earth's past and threatens to destroy all of time.
October 22, 2004 8:00 pm
Once the NX-01 finally returns to Earth, the weary crewmen face repercussions of their journeys, both positive and negative.
October 29, 2004 8:00 pm
When genetic supermen left over from the Eugenics Wars hijack a Klingon ship, Archer must rely on their creator, the criminal Dr. Arik Soong, to help hunt them down.
November 5, 2004 8:00 pm
Arik Soong leads his band of Augments to a medical facility where hundreds of genetically enhanced embryos are still stored, intending to retrieve them and bring them to life.
November 12, 2004 8:00 pm
In defiance of their "father," Arik Soong's Augments devise a heinous plot against the Klingons which will surely lead to interstellar war.
November 19, 2004 8:00 pm
Earth's embassy on Vulcan is bombed, and the ensuing investigation puts Archer and T'Pol on the trail of a Vulcan religious faction hiding in a treacherous desert.
November 26, 2004 8:00 pm
Archer and T'Pol encounter the Syrrannites, a radical group hiding in the Vulcan desert, while the NX-01 crew contends with Vulcan power ploys.
December 3, 2004 8:00 pm
Archer, T'Pol and T'Pau attempt to bring the Kir'Shara — an artifact believed to contain Surak's original writings — to the Vulcan capital, as the NX-01 gets involved in a Vulcan-Andorian military clash.
January 14, 2005 8:00 pm
The inventor of the transporter, Emory Erickson, comes aboard Enterprise for a risky experiment.
January 21, 2005 8:00 pm
Non corporeal aliens study the Enterprise crew as they respond to a fatal viral infection brought on board from an away mission.
January 28, 2005 8:00 pm
Enterprise journeys to Babel with a Tellarite ambassador on board for peace talks with the Andorians, when a distress call from Shran is received.
February 4, 2005 8:00 pm
Archer tries to unify the Andorians, Tellarites and Vulcans in a plan to capture a marauder ship threatening to destabilize the region.
February 11, 2005 8:00 pm
Archer visits Shran's icy homeworld to find an Andorian subspecies called the Aenar, to determine their connection to the marauder destroying ships in the region.
February 18, 2005 8:00 pm
While Enterprise visits Earth for the launch of Columbia, Phlox is kidnapped and forced to help the Klingons deal with a grave threat toward their species.
February 25, 2005 8:00 pm
With Columbia's help, the Enterprise crew grapples with sabotage to their ship as they pursue the truth behind the kidnapping of Phlox.
April 15, 2005 8:00 pm
As a gift for negotiating with the Orion Syndicate, Captain Archer receives three Orion Slave Girls.
April 22, 2005 8:00 pm
In the mirror universe, Commander Archer mutinies against Captain Forrest in order to capture a future Earth ship found in Tholian space.
April 29, 2005 8:00 pm
In the mirror universe, Archer commandeers the 23rd-century Defiant from the Tholians and uses it in a nefarious power grab.
May 6, 2005 8:00 pm
A xenophobic faction of humanity threatens to undermine talks to form a new coalition of planets.
May 13, 2005 8:00 pm
A human isolationist leader threatens to destroy Starfleet Command unless all aliens leave Earth immediately.
May 13, 2005 8:00 pm
Six years in the future, an emotional Captain Archer and the crew return to Earth to face the decommission of Enterprise and signing of the Federation charter.