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Star Trek: Enterprise

Season 4 2004 - 2005

  • 2004-10-08T17:00:00-07:00 on UPN
  • 60 mins
  • 22 hours, 0 mins
  • United States
  • English
"It's Good to be Home." Enterprise is the latest entry in the Star Trek saga and takes place during the mid-22nd century. Under the command of Captain Jonathan Archer, the crew of the first warp five starship (the Enterprise NX-01) begin to explore the galaxy. As their mission progresses, the crew encounter familiar races like the Klingons and Andorians as well as some new ones.

22 episodes

4x01 Storm Front (1)

  • Season Premiere


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

4x02 Storm Front (2)

  • 2004-10-15T17:00:00-07:00

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

4x03 Home

  • 2004-10-22T17:00:00-07:00

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

4x04 Borderland (1)

  • 2004-10-29T17:00:00-07:00

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.

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.

4x06 The Augments (3)

  • 2004-11-12T17:00:00-08:00

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

4x07 The Forge (1)

  • 2004-11-19T17:00:00-08:00

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.

4x08 Awakening (2)

  • 2004-11-26T17:00:00-08:00

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.

4x09 Kir'Shara (3)

  • 2004-12-03T17:00:00-08:00

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.

4x10 Daedalus

  • 2005-01-14T17:00:00-08:00

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

4x11 Observer Effect

  • 2005-01-21T17:00:00-08:00

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

4x12 Babel One (1)

  • 2005-01-28T17:00:00-08:00

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

4x13 United (2)

  • 2005-02-04T17:00:00-08:00

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

4x14 The Aenar (3)

  • 2005-02-11T17:00:00-08:00

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.

4x15 Affliction (1)

  • 2005-02-18T17:00:00-08:00

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.

4x16 Divergence (2)

  • 2005-02-25T17:00:00-08:00

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

4x17 Bound

  • 2005-04-15T17:00:00-07:00

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

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

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

4x20 Demons (1)

  • 2005-05-06T17:00:00-07:00

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

4x21 Terra Prime (2)

  • 2005-05-13T17:00:00-07:00

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

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.