Season 3
2003 · 24 episodes · 17h 12m in all · 7.5/10
After a devastating attack on Earth kills seven million people, Captain Archer and the crew of the NX-01 venture into the Delphic Expanse to seek out those responsible.

Episodes

1. The Xindi
10 Sept 2003 · 43 min · 7.2/10
Captain Archer and his crew set out to gain information about the mysterious and antagonistic Xindi race.

2. Anomaly
17 Sept 2003 · 43 min · 7.7/10
Enterprise starts experiencing effects of the spatial distortions pervading the Delphic Expanse, and falls victim to predatory aliens.

3. Extinction
24 Sept 2003 · 43 min · 6.3/10
On a mission to investigate an abandoned Xindi vessel on a jungle planet, Archer, Reed and Hoshi succumb to a virus that mutates them into a primal life form.

4. Rajiin
1 Oct 2003 · 43 min · 7.0/10
The NX-01 gets closer to a showdown with the Xindi when Captain Archer takes on an enigmatic passenger: a beautiful slave named Rajiin.

5. Impulse
8 Oct 2003 · 43 min · 7.4/10
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.

6. Exile
15 Oct 2003 · 43 min · 7.2/10
A powerful telepath makes contact with Hoshi and offers to help Enterprise find the Xindi ... for a price.

7. The Shipment
29 Oct 2003 · 43 min · 7.6/10
Archer, Reed and Major Hayes infiltrate a Xindi-Sloth industrial colony to learn more about the weapon of mass destruction that will be used against Earth.

8. Twilight
5 Nov 2003 · 43 min · 8.5/10
A spatial distortion leaves Archer unable to form any new long-term memories. Years in the future, he wakes up one morning and is stunned to learn the outcome of the human-Xindi conflict.

9. North Star
12 Nov 2003 · 43 min · 6.6/10
When a settlement of humans living a 19th-century Western lifestyle is discovered on a Delphic Expanse planet, Archer and crew set out to learn how they got there.

10. Similitude
19 Nov 2003 · 43 min · 8.0/10
When Trip suffers a catastrophic injury, his only hope for survival is a transplant from a "mimetic symbiont" which Phlox grows from one of his exotic creatures.

11. Carpenter Street
26 Nov 2003 · 43 min · 7.0/10
Archer and T'Pol travel back in time to 2004 Detroit to stop a Xindi plot.

12. Chosen Realm
14 Jan 2004 · 43 min · 6.7/10
Religious zealots hijack Enterprise to use it as a weapon against the enemies of their faith.

13. Proving Ground
21 Jan 2004 · 43 min · 8.3/10
An Andorian ship led by Commander Shran arrives in the Delphic Expanse to help Enterprise hone in on the Xindi super-weapon.

14. Stratagem
4 Feb 2004 · 43 min · 8.1/10
Archer finds himself face-to-face with Degra, the designer of the Xindi superweapon, and tries to get him to reveal its location.

15. Harbinger
11 Feb 2004 · 43 min · 6.8/10
As Archer tries to unravel the mystery of a rescued alien, long-simmering feelings explode among his senior officers.

16. Doctor's Orders
18 Feb 2004 · 43 min · 7.4/10
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.

17. Hatchery
25 Feb 2004 · 43 min · 6.9/10
Archer goes to extreme lengths to save an abandoned nest of Xindi-Insectoid eggs ready to hatch.

18. Azati Prime
3 Mar 2004 · 43 min · 8.2/10
Archer sets out on a suicide mission to destroy the Xindi superweapon as Enterprise faces a brutal attack.

19. Damage
21 Apr 2004 · 43 min · 8.0/10
While dissension among Xindi ranks festers, Enterprise tries to recover from a devastating attack.

20. The Forgotten
28 Apr 2004 · 43 min · 7.8/10
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.

21. E²
5 May 2004 · 43 min · 7.7/10
An attempt to use a Xindi subspace corridor leads the Enterprise crew to a bizarre encounter with their own descendants.

22. The Council
12 May 2004 · 43 min · 8.2/10
Archer and Hoshi stand before the Xindi Council as T'Pol and Reed lead a team into the heart of a Sphere.

23. Countdown
19 May 2004 · 43 min · 8.4/10
With help from Xindi allies, the Enterprise crew attempts to stop the arming of the Weapon aimed toward Earth.

24. Zero Hour
26 May 2004 · 43 min · 8.3/10
Archer puts his life on the line in a risky gambit to intercept the Xindi superweapon and disarm it from within.
Star Trek: Enterprise Season 3: quick answers
How many episodes are in Star Trek: Enterprise Season 3?
Season 3 of Star Trek: Enterprise has 24 episodes, about 17 hours in total.
When did Star Trek: Enterprise Season 3 come out?
Season 3 premiered on 10 Sept 2003.
What is the best episode of Star Trek: Enterprise Season 3?
By viewer score, episode 8, “Twilight”, at 8.5/10.