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This article is about the Star Trek: Enterprise episode. For the Eros Ramazzotti album, see e² (album).
Star Trek: Enterprise episode
Episode no. Season 3
Episode 21
Directed by Roxann Dawson
Written by Michael Sussman
Featured music Jay Chattaway
Production code 321
Original air date May 5, 2004 (2004-05-05)
Guest actors
Episode chronology
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"The Forgotten"
Next →
"The Council"
List of Star Trek: Enterprise episodes

"" is the seventy-third episode of the American science fiction television series Star Trek: Enterprise, the twenty-first episode of season three. It first aired on May 5, 2004, on the UPN network in the United States. The episode was the fifth of the season written by Mike Sussman, and it was directed by Star Trek: Voyager alumni Roxann Dawson, her fourth of the third season.

Set in the 22nd century, the series follows the adventures of the first Starfleet starship, Enterprise, registration NX-01. Season three of Enterprise features an ongoing story following an attack on Earth by previously unknown aliens called the Xindi. In this episode, the Enterprise encounters a version of itself which was sent 117 years into the past and is now populated by the descendants of the crew and became a generational ship. The two crews have to work together to allow the modern Enterprise gain access to a wormhole which is defended by Xindi vessels.

The episode made use of the standing Enterprise sets, as well as those created for Degra's ship. Guest stars included those who had previously appeared as members of the Xindi Council, as well as several who are new to Enterprise, who appeared as members of the future Enterprise. Most scenes were filmed between February 3 and February 11, 2004, with an additional special effect shoot on February 13. Reviewers compared "E²" to a number of several other episodes, including "Children of Time", "Deadlock" and "All Good Things...". The Nielsen ratings received by the episode equated to a 3.3/5% audience share.


Previously on Star Trek: Enterprise, the Enterprise enters the Delphic Expanse after Earth is attacked by a prototype weapon sent by the Xindi. They are a group of five surviving races who each evolved on the same planet. Captain Jonathan Archer (Scott Bakula) and the crew investigate the presence of a superweapon with which the Xindi intend to destroy Earth.

In "E²", the Enterprise is approaching a nebula containing a subspace corridor defended by Kovaalan vessels. Another version of Enterprise appears, captained by a man named Lorian (David Andrews) who explains that after fighting past the Xindi, the damaged ship will enter the corridor, causing it to travel 117 years into the past. Confronted with this situation, the crew turns it into a generational ship to await the Xindi crisis so as not to contaminate the time stream. Lorian reveals himself to be the son of Commander Charles "Trip" Tucker III (Connor Trinneer) and Sub-commander T'Pol (Jolene Blalock), while Karyn Archer (Tess Lina) is the great-granddaughter of Captain Archer.

Jonathan Archer, T'Pol and Lorian meet with an elderly version of T'Pol on board the future Enterprise. Archer and Lorian disagree over whether to implement a modification to the normal Enterprise, as it may cause the destruction of the ship. Lorian believes that the wormhole must be avoided altogether, while Archer believes that his ship can pass through it without a repeat of the temporal disruption that sent her into the past, because of modifications suggested by the elder T'Pol. Lorian later meets with Karyn Archer and reveals that his plan is now to steal the plasma injectors from the normal Enterprise to allow the future version to travel at warp 6.9 and confront the Xindi in the place of their ancestors.

Lorian implements the plan and steals the parts, but the future Enterprise is disabled when the normal Enterprise fires upon it as it is about to go to warp. He is placed in Archer's brig, but the two come to an agreement and he is released. The two versions of T'Pol meet and discuss her addiction to Trelium-D and her relationship with Tucker. The current and future versions of the Enterprise enter the nebula but Archer's is quickly disabled. Lorian's Enterprise tows the other and throws it into the substance corridor using a tractor beam, promising to follow shortly as it fires on the Kovaalan vessels. Archer and the crew wait for five hours, but the other Enterprise never emerges. He wonders if successfully traversing the corridor meant that Lorian and his Enterprise never existed, but T'Pol replies that if that was so then they wouldn't be able to remember them. Afterwards they rendezvous with Degra (Randy Oglesby), who is ready to escort them to the Xindi Council.


The episode was the fifth to be written by Mike Sussman during the third season. His previous work was "Hatchery", co-written with André Bormanis. It was also the fourth episode of the season to be directed by Star Trek: Voyager alumni Roxann Dawson. With "E²", she had directed more episodes than any other director at this point in the season, having previously worked on "Doctor's Orders", "Exile" and "Chosen Realm".[1] Scott Bakula was involved in a webchat on during the production of the episode, which he described as "a great episode along the lines of "Twlight" and "Similitude." It's a classic sci-fi and Star Trek episode."[2]

Filming began on February 3, 2004, overlapping with the final day of production on the previous episode, "The Forgotten". Production required the use of the standing Enterprise sets as well as those which were used to represent Degra's ship. The majority of the shoot was completed on February 11, but an additional day of special effects filming with part of the cast also took place on February 13. The actors who played the members of the Xindi council were amongst the guest stars who appeared in this episode; Randy Oglesby, Rick Worthy and Tucker Smallwood. In addition there were several guest actors who appeared in Star Trek for the first time, these included David Andrews, Tess Lina, Tom Schanley and Steve Truitt.[1]

Reception and home media release[edit]

"E²" was first aired on May 5, 2004. It received a 3.3/5% share, meaning that it was seen by 3.3 percent of all households, and 5 percent of all households watching television at the time of the broadcast. This was a similar level of ratings that were drawn by the previous episode, "The Forgotten" and slightly less than the following episode, The Council".[3] Compared to other shows in the same time slot, it placed sixth on the night, one place behind Smallville on The WB.[4]

Michelle Erica Green watched the episode for TrekNation, saying that it "focused far more on the characters and the consequences of their contact with their descendants than it is on the vast technobabble resulting in a successful traverse of the Xindi corridor".[5] She praised David Andrews as Lorian, calling it a "a wonderful bit of casting",[5] and felt that the character's actions mirrored those of Captain Archer previously in the series. She compared the resolution of "E²" to the Star Trek: Voyager episode "Deadlock" and the series finale of Star Trek: The Next Generation, "All Good Things...". She felt that the lack of conclusion to what happened to the future Enterprise was "very satisfying".[5] Jamahl Epsicokhan on his website Jammer's Reviews, called the website an "acceptable but all-too-familiar time-travel concept" and a "step down" compared to the previous three episodes of the series.[6] He compared it to the Star Trek: Deep Space Nine episode "Children of Time", which he said "was a far superior episode because it was about our characters — astonishingly and agonizingly — choosing one destiny over another, and sacrificing a great deal in coming to that decision."[6] He gave "E²" a rating of two and a half out of four.[6]

The first home media release of "E²" was as part of the season three DVD box set, released in the United States on September 27, 2005.[7] The Blu-ray release of Enterprise was announced in early 2013,[8] and released on January 7, 2014. This also featured deleted scenes from this episode.[9]


  1. ^ a b "Production Report: All Squared Away on "E²"". Star February 17, 2004. Archived from the original on February 18, 2004. Retrieved August 24, 2014. 
  2. ^ "Scott Bakula ("Capt. Jonathan Archer" - ENT)". Star February 4, 2004. Archived from the original on February 20, 2004. Retrieved August 24, 2014. 
  3. ^ Krutzler, Steve (May 13, 2004). ""Council" Can't Legislate Rating Upturn; The Good News: Numbers Steady". TrekWeb. Retrieved August 2, 2013. 
  4. ^ "NBC, FOX Split Wednesday Title". Zap2it. May 6, 2004. Archived from the original on May 9, 2004. Retrieved August 24, 2014. 
  5. ^ a b c Green, Michelle Erica (May 6, 2004). "E²". TrekNation. Retrieved August 24, 2014. 
  6. ^ a b c Epsicokhan, Jamahl. "Star Trek: Enterprise "E^2"". Jammer's Reviews. Retrieved August 24, 2014. 
  7. ^ Douglass Jr., Todd (September 27, 2005). "Star Trek Enterprise – The Complete 3rd Season". DVD Talk. Retrieved August 3, 2013. 
  8. ^ "Enterprise Trekking To Blu-ray; Fans Helped Pick Covers". Star January 7, 2013. Retrieved January 12, 2013. 
  9. ^ Miller III, Randy (January 7, 2014). "Star Trek: Enterprise - Season Three (Blu-ray)". DVD Talk. Retrieved August 24, 2014. 

External links[edit]