Season 4 (2004)

Storm Front (1)
7.2

October 8, 2004 • 43m

Archer and the NX-01 find themselves in Earth's past, with events of World War II altered by the Temporal Cold War.

Storm Front (2)
6.9

October 15, 2004 • 43m

With Silik's help, Archer hones in on the temporal operative who altered Earth's past and threatens to destroy all of time.

Home
7.7

October 22, 2004 • 43m

Once the NX-01 finally returns to Earth, the weary crewmen face repercussions of their journeys, both positive and negative.

Borderland (1)
7.6

October 29, 2004 • 43m

When genetic supermen left over from the Eugenics Wars hijack a Klingon ship, Archer must rely on their creator, the criminal Dr. ...Read more

Cold Station 12 (2)
7.6

November 5, 2004 • 43m

Arik Soong leads his band of Augments to a medical facility where hundreds of genetically enhanced embryos are still stored, inten...Read more

The Augments (3)
7.5

November 12, 2004 • 43m

In defiance of their "father," Arik Soong's Augments devise a heinous plot against the Klingons which will surely lead to interstellar war.

The Forge (1)
7.7

November 19, 2004 • 43m

Earth's embassy on Vulcan is bombed, and the ensuing investigation puts Archer and T'Pol on the trail of a Vulcan religious factio...Read more

Awakening (2)
7.6

November 26, 2004 • 43m

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.

Kir'Shara (3)
7.6

December 3, 2004 • 43m

Archer, T'Pol and T'Pau attempt to bring the Kir'Shara — an artifact believed to contain Surak's original writings — to the Vulcan...Read more

Daedalus
6.2

January 14, 2005 • 43m

The inventor of the transporter, Emory Erickson, comes aboard Enterprise for a risky experiment.

Observer Effect
7.5

January 21, 2005 • 43m

Non corporeal aliens study the Enterprise crew as they respond to a fatal viral infection brought on board from an away mission.

Babel One (1)
8.0

January 28, 2005 • 43m

Enterprise journeys to Babel with a Tellarite ambassador on board for peace talks with the Andorians, when a distress call from Shran is received.

United (2)
8.0

February 4, 2005 • 43m

Archer tries to unify the Andorians, Tellarites and Vulcans in a plan to capture a marauder ship threatening to destabilize the region.

The Aenar (3)
7.6

February 11, 2005 • 43m

Archer visits Shran's icy homeworld to find an Andorian subspecies called the Aenar, to determine their connection to the marauder...Read more

Affliction (1)
7.6

February 18, 2005 • 43m

While Enterprise visits Earth for the launch of Columbia, Phlox is kidnapped and forced to help the Klingons deal with a grave thr...Read more

Divergence (2)
7.3

February 25, 2005 • 43m

With Columbia's help, the Enterprise crew grapples with sabotage to their ship as they pursue the truth behind the kidnapping of Phlox.

Bound
6.1

April 15, 2005 • 43m

As a gift for negotiating with the Orion Syndicate, Captain Archer receives three Orion Slave Girls.

In a Mirror, Darkly (1)
7.4

April 22, 2005 • 43m

In the mirror universe, Commander Archer mutinies against Captain Forrest in order to capture a future Earth ship found in Tholian space.

In a Mirror, Darkly (2)
7.5

April 29, 2005 • 43m

In the mirror universe, Archer commandeers the 23rd-century Defiant from the Tholians and uses it in a nefarious power grab.

Demons (1)
7.5

May 6, 2005 • 43m

A xenophobic faction of humanity threatens to undermine talks to form a new coalition of planets.

Terra Prime (2)
7.7

May 13, 2005 • 43m

A human isolationist leader threatens to destroy Starfleet Command unless all aliens leave Earth immediately.

These Are the Voyages...
6.1

May 13, 2005 • 43m

Six years in the future, an emotional Captain Archer and the crew return to Earth to face the decommission of Enterprise and signi...Read more