星际旅行：进取号剧情列表
第三季 (2003–2004)

Abbreviations:
"NR": Nielsen Rating
"V": Viewers in millions of people
| #  | Title  | Written by  | NR  | V  | Original Airdate  | Prod>  code  |
| --- | --- | --- | --- | --- | --- | --- |
| 53 | The Xindi | Rick Berman & Brannon Braga | 2.6 | 4.07 | September 10, 2003 | 301 |
 The mission against the Xindi starts off with Archer and Malcolm making a visit to a mining facility in order to track down a Xindi.
| 54 | Anomaly | Mike Sussman | 2.6 | 4.29 | September 17, 2003 | 302 |
 The crew of Enterprise encounters the anomalies of the Delphic Expanse first-hand and deal with space pirates and a giant cloaked sphere of unknown origin.
| 55 | Extinction | André Bormanis | 2.6 | 4.00 | September 24, 2003 | 303 |
 During a wild-goose chase pursuing the Xindi, Archer, Malcolm and Hoshi are exposed to an alien virus and begin to mutate into members of a long-dead race called the Loque'eque.
| 56 | Rajiin | Paul Brown & Brent V. Friedman (Story) Brent V. Friedman & Chris Black (Teleplay) | 2.7 | 4.52 | October 1, 2003 | 304 |
 A slave girl takes refuge aboard Enterprise but spies on the crew instead. Meanwhile, Archer learns that synthesized Trellium-D can be used to protect his vessel from the anomalies.
| 57 | Impulse | Jonathan Fernandez & Terry Matalas | 2.8 | 4.17 | October 8, 2003 | 305 |
 Enterprise encounters a Vulcan ship in which the crew has become violent due to a toxic effect of Trellium-D that causes neural damage to Vulcans. T'Pol becomes exposed and loses control of her emotions, becoming paranoid and nearly homicidal.
| 58 | Exile | Phyllis Strong | 2.3 | 3.46 | October 15, 2003 | 306 |
 A Beauty and the Beast-like tale involving Hoshi encountering a telepathic exile (with Xindi-related information) on a deserted world. Meanwhile more spheres are discovered by T'Pol.
| 59 | The Shipment | Chris Black & Brent V. Friedman | 2.5 | 3.70 | October 29, 2003 | 307 |
 The Enterprise crew learns of a shipment of kemocite, a key element in a new weapon being built to destroy Earth. Archer finds a Xindi ally.
| 60 | Twilight | Mike Sussman | 2.6 | 4.06 | November 5, 2003 | 308 |
 An anomaly causes Archer to lose his long-term memory. Much of the episode takes place in an alternate future after the destruction of Earth in which Archer (with the help of his caretaker T'Pol and Captain Tucker) seeks a way to correct the past.
| 61 | North Star | David A. Goodman | 2.6 | 3.88 | November 12, 2003 | 309 |
 A planet resembling the American "Old West" is found to be inhabited by humans.
| 62 | Similitude | Manny Coto | 3.0 | 4.59 | November 19, 2003 | 310 |
 Tucker becomes comatose after a plasma manifold explodes. A clone of Trip is created for the purpose of harvesting brain tissue. Archer's order to kill the clone is met with resistance when the clone, named Sim, becomes a member of the Enterprise family. Sim also reveals that Trip might be in love with T'pol.
| 63 | Carpenter Street | Rick Berman & Brannon Braga | 2.5 | 3.71 | November 26, 2003 | 311 |
 With the help of Daniels, Archer and T'Pol go back in time after discovering a group of Xindi reptilians are creating a biological weapon in 2004 Detroit.TCW
| 64 | Chosen Realm | Manny Coto | 2.6 | 3.93 | January 14, 2004 | 312 |
 Religious zealots hijack Enterprise and seek to execute Archer for acts of desecration upon the spheres.
| 65 | Proving Ground | Chris Black | 2.2 | 3.44 | January 21, 2004 | 313 |
 Xindi scientists test their new, planet-killing weapon in an asteroid field as Archer finds he has an ally in the Delphic Expanse.Fed
| 66 | Stratagem | Michael Sussman (Teleplay) & Terry Matalas (Story) | 2.6 | 4.08 | February 4, 2004 | 314 |
 A Xindi captive is tricked into giving Archer information about the location of the new superweapon.
| 67 | Harbinger | Rick Berman & Brannon Braga | 2.6 | 3.95 | February 11, 2004 | 315 |
 Enterprise encounters the Sphere Builders for the first time. T'Pol experiences unexpected emotions and initiates a relationship with Trip. Malcolm and Major Hayes come to terms with their differences.
| 68 | Doctor's Orders | Chris Black | 2.6 | 3.73 | February 18, 2004 | 316 |
 While Enterprise passes through a "trans-dimensional disturbance," the crew is put into hibernation, leaving Phlox in control of the ship. But is he truly alone?
| 69 | Hatchery | André Bormanis & Michael Sussman | 2.4 | 3.52 | February 25, 2004 | 317 |
 Archer does everything he can to save a Xindi insectoid hatchery, to the point that his officers consider inciting mutiny against him.
| 70 | Azati Prime | Rick Berman, Brannon Braga & Manny Coto | 2.6 | 3.78 | March 3, 2004 | 318 |
 After finding the weapon on Azati Prime, Archer embarks on a suicide mission to destroy it. T'Pol suddenly goes into an emotional tailspin as Enterprise suffers a devastating attack by the reptilian Xindi.TCW Fed
| 71 | Damage | Phyllis Strong | 2.0 | 2.86 | April 21, 2004 | 319 |
 Enterprise is heavily damaged by Xindi and seeks exchange of Trellium-D for a warp coil from an alien vessel but is forced to steal it. T'Pol confesses her addiction to liquefied Trellium-D, which has caused her to lose control of her emotions.
| 72 | The Forgotten | Chris Black & David A. Goodman | 2.2 | 3.35 | April 28, 2004 | 320 |
 Archer deals with the loss of many crew members and continues peaceful talks with two Xindi species that destroy a fellow Xindi ship in self-defense.
| 73 | E² | Mike Sussman | 2.2 | 3.25 | May 5, 2004 | 321 |
 The Enterprise crew meet their descendants from an alternate timeline.
| 74 | The Council | Manny Coto | 2.4 | 3.41 | May 12, 2004 | 322 |
 Archer speaks at the Xindi council and finds one species has launched the superweapon in defiance of the council.
| 75 | Countdown | André Bormanis & Chris Black | 2.3 | 3.46 | May 19, 2004 | 323 |
 Archer works to build support from the aquatic Xindi to stop the reptilians and find the Sphere Builders who are aiding the reptilians.
| 76 | Zero Hour | Rick Berman & Brannon Braga | 2.7 | 3.91 | May 26, 2004 | 324 |
 The final showdown with the reptilian Xindi to stop the weapon from destroying Earth. Archer is lost and believed dead as Enterprise finds itself back in the World War II era.TCW