The BEST episodes of Star Trek: Enterprise season 4

Every episode of Star Trek: Enterprise season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Star Trek: Enterprise season 4!

Taking place during the mid-22nd century, the crew of the first warp five starship (the Enterprise NX-01) begin to explore the galaxy under the command of Captain Jonathan Archer. As their mission progresses, the crew encounter familiar races like the Klingons and Andorians as well as some new ones.

Last Updated: 11/18/2024Network: UPNStatus: Ended
Kir'Shara (3)
star
7.90
1865 votes

#1 - Kir'Shara (3)

Season 4 - Episode 9 - Aired 12/3/2004

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.

Directors: David Livingston
Writer: Mike Sussman
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Babel One (1)
star
7.75
1949 votes

#2 - Babel One (1)

Season 4 - Episode 12 - Aired 1/28/2005

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

Directors: David Straiton
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The Aenar (3)
star
7.66
2098 votes

#3 - The Aenar (3)

Season 4 - Episode 14 - Aired 2/11/2005

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.

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Awakening (2)
star
7.65
2054 votes

#4 - Awakening (2)

Season 4 - Episode 8 - Aired 11/26/2004

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.

Directors: Roxann Dawson
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In a Mirror, Darkly (1)
star
7.64
2208 votes

#5 - In a Mirror, Darkly (1)

Season 4 - Episode 18 - Aired 4/22/2005

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

Directors: James L. Conway
Writer: Mike Sussman
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United (2)
star
7.63
2061 votes

#6 - United (2)

Season 4 - Episode 13 - Aired 2/4/2005

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

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The Augments (3)
star
7.62
2050 votes

#7 - The Augments (3)

Season 4 - Episode 6 - Aired 11/12/2004

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

Directors: LeVar Burton
Writer: Mike Sussman
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Storm Front (2)
star
7.61
2041 votes

#8 - Storm Front (2)

Season 4 - Episode 2 - Aired 10/15/2004

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

Directors: David Straiton
Writer: Manny Coto
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Terra Prime (2)
star
7.57
1933 votes

#9 - Terra Prime (2)

Season 4 - Episode 21 - Aired 5/13/2005

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

Directors: Marvin V. Rush
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Divergence (2)
star
7.56
2092 votes

#10 - Divergence (2)

Season 4 - Episode 16 - Aired 2/25/2005

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

Directors: David Barrett
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Affliction (1)
star
7.55
2073 votes

#11 - Affliction (1)

Season 4 - Episode 15 - Aired 2/18/2005

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.

Writer: Mike Sussman
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Observer Effect
star
7.49
1907 votes

#12 - Observer Effect

Season 4 - Episode 11 - Aired 1/21/2005

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

Directors: Michael Vejar
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The Forge (1)
star
7.48
2210 votes

#13 - The Forge (1)

Season 4 - Episode 7 - Aired 11/19/2004

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.

Directors: Michael Grossman
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Bound
star
7.48
1953 votes

#14 - Bound

Season 4 - Episode 17 - Aired 4/15/2005

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

Directors: Allan Kroeker
Writer: Manny Coto
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In a Mirror, Darkly (2)
star
7.47
1933 votes

#15 - In a Mirror, Darkly (2)

Season 4 - Episode 19 - Aired 4/29/2005

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

Directors: Marvin V. Rush
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Home
star
7.44
2324 votes

#16 - Home

Season 4 - Episode 3 - Aired 10/22/2004

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

Directors: Allan Kroeker
Writer: Mike Sussman
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Borderland (1)
star
7.44
1947 votes

#17 - Borderland (1)

Season 4 - Episode 4 - Aired 10/29/2004

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.

Directors: David Livingston
Writer: Ken LaZebnik
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Storm Front (1)
star
7.42
2215 votes

#18 - Storm Front (1)

Season 4 - Episode 1 - Aired 10/8/2004

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

Directors: Allan Kroeker
Writer: Manny Coto
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These Are the Voyages...
star
7.40
2205 votes

#19 - These Are the Voyages...

Season 4 - Episode 22 - Aired 5/13/2005

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.

Directors: Allan Kroeker
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Cold Station 12 (2)
star
7.34
2065 votes

#20 - Cold Station 12 (2)

Season 4 - Episode 5 - Aired 11/5/2004

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.

Directors: Mike Vejar
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Demons (1)
star
7.32
1914 votes

#21 - Demons (1)

Season 4 - Episode 20 - Aired 5/6/2005

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

Directors: LeVar Burton
Writer: Manny Coto
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Daedalus
star
7.02
1979 votes

#22 - Daedalus

Season 4 - Episode 10 - Aired 1/14/2005

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

Directors: David Straiton
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