While flying Crichton's ship near a sun with high flare activity, John and Aeryn narrowly avoid getting sucked into an unstable wormhole.
During routine searches for Peacekeeper beacons, D'Argo falls down a chute, destroys a Peacekeeper shield and gets ejected into open space.
A scientist extracts DNA from several of Moya's crew, promising them that with it he would be able to use it to find the location of their home planets. Things get more interesting however when he asks for some of pilot.
Astronaut John Crichton attempts to use the Earth's atmosphere to propel his module at high speeds but is hit by a radiation wave and is sucked through a wormhole into a distant part of the universe.
Determined not to let his child be born into a world at war, John Crichton puts himself at the center of the conflict.
John Crichton and Aeryn anticipate the birth of their child, only to get caught in the middle of a war that threatens millions of lives.
With their Crystherium stores low, the Scarrans must travel to Earth through a wormhole as those flowers grow there. With Pilots help, Crichton tries to collapse the wormhole leading back to Earth.
Scorpius has betrayed the crew. Now they're all captured. Their plan failed, the crew has little choice but to help Scorpius's true agenda.
Moya arrives at Katratzi. Crichton attends the peace talks between the Scarrans and the Peacekeepers ...with a nuclear bomb.
Crichton has arrived home, on Earth. Even though the Moya crew relaxes, on Earth and are treated as VIPs, Crichton can't seem to adjust to life on Earth. After all his adventures, can he still call Earth his home?
After accidentally returning to Earth, Crichton discovers he is in 1985 and he has altered the time line, causing his father to be scheduled to fly on the doomed shuttle 'Challenger'.
Crichton falls into a wormhole and meets up with a strange man who shows Crichton the consequences of wormhole travel.
The crew consume food, sharing amongst themselves. Although if not ingested by the same person, it becomes toxic. They must quickly find a cure or they'll die.
While Moya and her crew are resupplying on a generally xenophobic planet, Aeryn kills the next prefect, along with many bystanders and D'Argo, while under a strange form of suggestion.
When Moya is raided by bounty hunters working for the Peacekeepers, every crew member is captured except for Crichton and Noranti.
Crichton and Chiana get stuck in a video game where they encounter strange/twisted versions of their friends.
Crichton correctly predicts a wormhole's appearance near Moya, but simultaneously a giant space plant captures the Leviathan.
The crew must stop Scorpius's research on wormhole technology. The only way to stop him is to board the command carrier and figure a way to destroy it from within.
D'Argo and Rygel meet Braca and Scorpius in a cafe to conduct negotiations when it is unexpectedly attacked.
A group of escaped prisoners come aboard Moya followed shortly by Aeryn, Crais and Rygel who have finally returned from Talyn.