The third season will air from September 10, 2003 to May 2004. See also the filming schedule.
Starting with "Extinction", the show is officially known as "Star Trek: Enterprise". For the first two seasons, and the first two episodes of the third season, the title was simply "Enterprise".
- The Xindi
- Six weeks into the Delphic Expanse, Captain Archer and his crew learn of a Xindi working at a mining colony, and set out to track him down and gain
information about the mysterious antagonistic race, on Star Trek: Enterprise airing Wednesday, September 10 (8:00-9:00 p.m., ET/PT) on UPN. But
when Trip and Archer get caught in a deadly trap, Enterprise's newest crew members, a squad of Military Assault Command Operation soldiers
(MACOs), must rush to free them. Meanwhile, T'Pol suggests an intriguing Vulcan cure for Trip's vivid nightmares of his sister's death.
- Anomaly
- Enterprise starts experiencing the effects of spatial distortions pervading the Delphic Expanse, and falls victim to predatory aliens taking
advantage of the crippling conditions on Star Trek: Enterprise airing Wednesday, September 17 (8:00-9:00 p.m., ET/PT) on UPN.
- Extinction
- When Archer, Reed, Hoshi, and T'Pol go to the surface of a jungle planet to investigate a Xindi vessel, they are infected by a biological agent that
mutates them into a primal alien lifeform on Star Trek: Enterprise airing Wednesday, September 24 (8:00-9:00 p.m., ET/PT) on UPN.
- Rajiin
- Rescued by Archer from an alien bazaar, a captivating slave girl, Rajiin, uses her erotic, hypnotic mental powers on the crew to steal data on Humans
for her Xindi overlords, on Star Trek: Enterprise airing Wednesday, October 1 (8:00-9:00 p.m., ET/PT) on UPN. But when her deception is
discovered, Archer throws her in the brig, forcing the Reptilian Xindi to storm the ship, weapons blazing, to spring her free. Meanwhile, Trip and
T'Pol initiate a dangerous experiment to insulate the ship from further destruction from strange physical phenomena in the Delphic Expanse.
- Impulse
- When Enterprise responds to a distress call from a Vulcan ship stranded in the Delphic Expanse, Archer and his boarding team are attacked by
insane zombie-like Vulcans on Star Trek: Enterprise airing Wednesday, October 8 (8:00-9:00 p.m., ET/PT) on UPN.
- Exile
- A powerful telepath makes contact with Hoshi and offers to help Enterprise find the Xindi, for a price, on Star Trek: Enterprise airing
Wednesday, October 15 (8:00-9:00 p.m., ET/PT) on UPN.
- The Shipment
- Airs October 29. Involves Xindi-Sloth and delves into their history.
- Twilight
- A spatial distortion leaves Archer unable to form any new long-term memories, on Star Trek: Enterprise airing Wednesday, November 5
(8:00-9:00 p.m., ET/PT) on UPN. Years in the future, he wakes up one morning and is stunned to learn the outcome of the human-Xindi conflict.
- North Star
- After finding thousands of humans on a Delphic Expanse planet living in settlements seemingly straight out of the Old West, Archer gets embroiled in a
dangerous cultural conflict once he discovers that the humans are systematically oppressing the alien race that originally brought them to this world,
on Star Trek: Enterprise airing Wednesday, November 12 (8:00-9:00 p.m., ET/PT) on UPN.
- Similitude
- After an accident in Engineering leaves Trip mortally injured, Dr. Phlox attempts to save the chief engineer by creating a "mimetic simbiot"--a
clone--of him to harvest neural tissue from it, on Star Trek: Enterprise airing Wednesday, November 19 (8:00-9:00 p.m., ET/PT) on UPN. In its very
short lifespan, the simbiot grows rapidly from baby to adult, and surprises the crew with detailed memories of the real Trip's life. Meanwhile, the
accident has left Enterprise disabled and adrift inside a destructive space cloud, so the crew attempts to free the ship before they are
stranded forever.
- Carpenter Street
- Ex-crewman Daniels, a temporal agent from the future, appears on Enterprise and sends Archer and T'Pol back in time to 2004 Earth, to learn why
three Xindi-Reptilians have been detected in the timeline where they're not supposed to be, on Star Trek: Enterprise airing Wednesday, November 26
(8:00-9:00 p.m., ET/PT) on UPN. Using 22nd-century technology, Archer and T'Pol scour Detroit, Michigan, and locate an abandoned factory where the
Xindi are developing a biological weapon with the help of a local medical worker.
- Chosen Realm
- A Triannon crew which Enterprise rescues from a crippled ship turns out to be a group of religious extremists who hijack the NX-01 to eradicate
the "heretics" on their homeworld, on Star Trek: Enterprise airing Wednesday, January 14 (8:00-9:00 p.m., ET/PT) on UPN. Furthermore, when the
group's leader, D'Jamat, learns that Archer's crew has dared desecrate the Expanse's mysterious Spheres--which the Triannons consider holy shrines of
the "chosen realm"--he demands that Archer choose a crewman to be put to death.
- Proving Ground
- An Andorian ship led by Commander Shran arrives in the Delphic Expanse to help Enterprise hone in on the Xindi superweapon.
- Strategem
- Archer finds himself face-to-face with Degra, the designer of the Xindi superweapon, and tries to trick him into revealing its location.
- Harbinger
- Enterprise rescues a dying alien from a colossal spatial anomaly, and he refuses to reveal why he was there. Meanwhile, tensions between Reed
and Hayes heat up as new training drills begin.
- Doctor's Orders
- The fate of Enterprise is in Dr. Phlox's hands as the rest of the crew must be induced into a coma in order to survive a trans-dimensional
disturbance."
- Hatchery
- Archer goes to extreme lengths to save an abandoned nest of Xindi-Insectoid eggs ready to hatch.
- Azati Prime
- Archer embarks on a suicide mission to destroy the Xindi's nearly completed planet-killing weapon.
- Damage
- While dissension among Xindi ranks festers, Enterprise tries to recover from a devastating attack.
- The Forgotten
- Two high-ranking Xindi offer to stop the launch of their superweapon if Archer can prove they've been manipulated. Meanwhile, the crew mourns their
lost mates.
- E2
- An attempt to use a Xindi subspace corridor leads Enterprise to a bizarre encounter with another Starfleet ship.
- The Council
- TBA.
- Countdown
- TBA.
- Zero Hour
- TBA. Season finale.
