Star Trek: Enterprise: Season 3

Enterprise has been in the Delphic Expanse for six weeks and have yet to get any intel about the Xindi. Strange anomalies affect the ship, sending cargo flying violently through the bays, pockets of atmosphere losing gravity and other incidents defying the known laws of physics. T'Pol helps Trip's insomnia with an intimate Vulcan therapy. Archer and Trip find another race of Xindi imprisoned in a mine.

After an attack by Osaarian pirates, Enterprise follows them to a mysterious sphere.

Archer, Reed and Sato are transformed into aliens while visiting a planet.

Enterprise helps an alien woman, Rajiin, seeking to escape her life as a sex slave. Once on board she uses her alien abilities to gather biometric data about humans and is recaptured by her employers, the Xindi council.

Enterprise answers a distress signal from a stranded Vulcan ship, only when arriving they find the ship completely desolate, wrecked - and filled with Vulcan zombies.

Hoshi Sato is contacted by a 400-year-old telepathic alien exiled on planet in the Expanse, shunned by his society because of his abilities. The alien offers to use his powers to help Enterprise find the Xindi and the weapon they are building, but only if Hoshi will stay with him while he works. She agrees to stay behind, while Enterprise confirms the Expanse has a second Sphere and is on its way to investigate.

Enterprise follows a lead and discovers a Xindi lab that refines Kemocite, the key ingredient in the weapon being built to destroy Earth. An away team of Archer, Reed and Hayes confront the lead researcher, Gralik Durr, who was employed by Degra to refine the Kemocite but was never told what it would be used for. When Gralik realizes it was his research that contributed to the 7 million deaths on Earth, he agrees to help Archer prevent further loss of life. Meanwhile, on Enterprise, Phlox and Tucker study the weapon they seized from the Xindi and find an organic component, a life-form serving as the rifle's power cell. Despite T'Pol's objection, Tucker tests the weapon.

His memory crippled, Archer awakens years in the future, after the Xindi have reduced Earth to a cinder and the remnants of humanity have settled on a distant planet. Now, Archer learns that he may be the key to undoing this tragedy.

Enterprise investigates a previously unknown colony of humans who are living in the fashion of the American Old West. They are oppressing an alien race called the Skagarans.

Archer decides to make a fast-growing clone of Trip to help save his life while Enterprise is stranded in a dangerous field with nucleonic particles.

Archer and T'Pol travel back in time to Detroit in 2004 to stop three Xindi-Reptilians from constructing a bioweapon.

Enterprise is taken over by religious zealots who want to use the ship in a war against heretics.

Enterprise has found the location of the testing site of the Xindi weapon and gets some rather unexpected help.

Archer and the Xindi Degra are in a shuttle. With Degra suffering from memory loss, Archer tells him they escaped together from a prison and that the Insectoids took power after destroying Earth.

With Reed and Hayes fighting over a training program and Trip seemingly making T'Pol jealous, Enterprise discovers a dying alien in a pod with technology similar to the Spheres.

While in command of Enterprise because the entire crew is in a coma, Dr. Phlox starts hearing some strange sounds.

Captain Archer orders the crew of Enterprise to save a Xindi-Insectoid hatchery.

Archer decides he should pilot a kamikaze shuttle to destroy the Xindi weapon. Temporal agent Daniels urges him to reconsider.

Captain Archer has been returned to Enterprise by the Xindi council awaiting a hearing. But after a heavy attack by the Reptilians, Enterprise is stranded without a functional warp drive. They meet another ship in trouble because of space anomalies. The ship's captain isn't willing to trade in their warp coil and Archer must make a tough decision. Meanwhile T'Pol is having some strange sensations and can't control her emotions.

Enterprise has arrived on time for the appointment with Degra. Captain Archer invites them to their ship, while he does his best to convince both Degra and Jannar that the destruction of Earth is actually part of the grand scheme of the sphere builders to conquer the universe. While Jannar remains reluctant, Degra seems to be slightly won over. Trip Tucker is having a hard time keeping Enterprise in shape and is also having difficulties with writing a letter to the parents of crewman Taylor, informing of her death. Then trouble arises when out of the blue a Reptilian ship arrives.

Trying to pass through a subspace corridor, Enterprise is stopped by a version of itself from the future.

Enterprise has arrived at the location of the Xindi Council and with the help of Degra, Archer can make his plea in front of the five races of Xindi. Archer needs to prove that the Sphere Builders have been telling lies. While the Primates and Arboreals are already aware of the truth, convincing the other three races will not be easy. The Reptilians and Insectoids refuse to even listen to Archer. Meanwhile, the Sphere Builders haven't been sitting still, and have arranged a secret meeting with the Reptilians.

While the Reptilians force Hoshi to decipher a launch code, the Primates, Arboreals and Archer think of a way to stop the Xindi weapon.

Archer takes Degra's ship to try to prevent Earth from being destroyed and gets some unexpected help. Enterprise tries to destroy Sphere 41, but the Sphere Builders know about the plan.