Officer Sun makes an unlikely alliance to save John and D'Argo, while Scorpius continues his pursuit. Moya goes in search of her newborn, a warship now under the control of Captain Crais.
D'Argo encounters a Luxan priestess who is nearing death, until she discovers a way to reverse her aging.
Chiana joins a group of reckless thrillseekers when she learns that her brother has died.
An alien scientist uses Moya for his own scheme, while the starved crew become overly suspicious of one another.
Pilot and Aeryn must relive their dark pasts when it comes to light that the former Peacekeeper officer helped to execute Moya's first pilot.
Maldus returns to torment the crew, convincing them that their friends have perished. One by one, the evil sorcerer drags them into his realm.
When Zhaan's health fails due to malnutrition, the crew looks for help at a mining colony. Aeryn and Pilot work to save Moya from Zhaan's spores.
Zhaan is framed and put on trial for murder, and Chiana and Rygel must defend her. Desperate to find Talyn, Moya wishes to leave them on the planet and continue her search.
An accident causes the crew to switch bodies with each other, while Zhaan tries to keep an alien ship from firing on Moya.
An alien object clones Crichton, creating a highly advanced version and an unevolved beast version. One must sacrifice himself to save the ship.
Crichton is manipulated into asking an alien princess to marry him, in order to avoid Scorpius' clutches.
Crichton goes to great lengths to avoid getting killed, but finally consents to marry Princess Katralla and be turned into a living statue for 80 cycles.
Prince Clavor and his Scaran associate move against Crichton, beheading his statue. The crew must save John and Chiana while escaping Scorpius.
Chiana brings aboard a parasite-eating Vorc when the crew suspects that their food has become contaminated. Crichton struggles with hallucinations as they search for the creature.
Crichton wakes up and finds himself back on Earth -- or so someone would have him believe. He refuses to fall for the ploy, especially when his alien friends begin showing up.
A temporal distortion traps Aeryn and John on a planet's surface, where they live out the rest of their lives -- while Moya remains trapped in orbit, experiencing only hours. Stark returns to the ship with news of D'Argo's son.
When Talyn destroys a Plokavian ship, Moya's crew is put on trial for murder. Each one recalls the events from their own unique point of view.
The Nebari come looking for Chiana, and mind-cleanse her friends on Moya. Chiana makes a startling discovery about her brother, and about her people.
Stark returns with a plan to save D'Argo's son: rob a high security bank and use the money to purchase Jothee's lot of slaves.
Crichton and company raise a team of mercenaries to help them rob the shadow depository, while Scorpius closes in on his prey. Zhaan makes a desperate move to save Moya from an infestation.
Crichton gives himself up to Scorpius so that his brain implant can be removed, and the crew launch a final assault on the shadow depository to rescue him.
When Crichton goes to a medical expert to have Scorpius' brain implant removed, it takes over his body, and the crew suffers a tragic loss.