Zachary Foxx is assigned on a mission to observe a small group of humans who have established a home on the planet Kirwin. Captain Foxx travels with his wife, Eliza, their two children and Alien diplomats Zozo and Waldo.

The Rangers search for Eliza's psychocrystal. Geezi is a snitch, and he has one of the Queen's memory birds. The Rangers go back to Tortuna to buy the bird from Geezi, and they learn about how the Queen has decimated the Gherkin race along the way.

Killbane breaks into Longshot and steals one of the components of Mindnet, a device that induces psi abilities, for the Queen of the Crown.

The Queen has built a cannon that can destroy a planet, and is trying to hold the League hostage with it. The Rangers are sent in to work with the resistance group on the planet and destroy the weapon. The resistance group is led by Wirwar, whose family is held hostage by the Queen and who tries to free them by handing the Rangers to the Queen. Despite that, they succeed in destroying the Queen's weapon but have to escape in a ship which they discover only has five minutes worth of oxygen.

Goose is assigned to transport MaCross - a dangerous criminal and leader of the Black Hole Gang, to stand trial on Earth. The Black Hole Gang has other ideas, as MaCross apparently hid a stash of Starstones before he was captured, and they want the stones and MaCross back.

The Rangers are in charge of security at an intergalactic art show where a Poe mutant Sensation doll is stolen. The doll is dangerous to humans, indeed to everyone but a Poe, as it holds the emotions of the artist.

Niko gets a distress call from Ictar, a Basuti. The last Space Sorcerer has taken over their planet and is forcing them to dig for Starstones. The Rangers confront him and he disappears in a cloud of smoke, vowing revenge.

On a transport ship carrying unstable isotopes, the Rangers get a distress call from the infamous Cody.

The Rangers are sent to rid an asteroid belt of giant space whales. But they end up in the middle of a fight between "SpacePeace" and a madman, consumed with a vengeful desire to destroy the whales forever.

Roy and Burro are back, this time on Shaky, a planet with much seismic activity, but possibly a big starstone deposit, and the Black Hole Gang wants the claim.

Nimrod grabs the Rangers out of hyperspace, and makes them play his version of the most dangerous game, without their badges. They have to make do as normal, human Rangers.

The Rangers pretend to go bad in order to infiltrate the Black Hole Gang, who are going to try to attack the Longshot research facility. Goose is charged with keeping Daisy O'Mega, the leader of the group of outlaws, distracted after she makes it plain she is attracted to him. They are planning a trap at Longshot, but MaCross, who wanted Daisy for himself, and hates Goose anyway, finds out the plot and mucks up that plan.

The Queen of the Crown uses her half of the Eliza Foxx psychocrystal to lure Zachary Foxx to her Psychocrypt, a facility in a remote area of space. Zachary is captured and used to create the most power psychocrystal ever. Against orders from Commander Walsh, the rest of the Series 5 team must track down Zach with the help of Geezi the Pedulant and rescue him from the clutches of the Queen.

Old Roy the prospector uncovers an ancient civilization, so Niko and Doc are called in and wind up battling an ancient android programmed to protect the city.

An extremely aggressive, insectoid new race, the Traash, is blowing up everything in its path (including the Crown destroyers) and Captain Kidd is the only one who knows anything about them. All he has to do is give a little whistle.

The Rangers are leading a strike team against the Black Hole Gang at Entropy's Edge, a black hole or wormhole of some sort. During the battle Goose, after knocking out the power source of the Black Hole hideout, is dragged into the black hole. His charge goes nuts and finally he gets spit out at the other end of the wormhole into the Empty Zone. He crashes on Ozark and wakes, unable to control his morphing. Drawn by Annie Oh's cries for help as she is attacked by a Dinosaur and Goose morphs into a monster in order to save her. Annie tries to shield him from the people of Ozark, who have no tolerance for off-worlders, until the other Rangers track him down.

Lazarus Slade has outfitted the Queen's armada with hyperdrives, and they are advancing on Earth. Using her powers, Niko is able to find out that the Starstones powering the drives were manufactured by Captain Kidd. Goose and Niko track down Kidd at the old homestead, while Zach and the BETA fleet try to find a weakness in the Crown Armada.

Top secret DNA formulas used by the World Federation in their short lived Supertrooper program have been stolen. The smugglers plan to sell the "Supertrooper juice" to the Queen. In deep space action Goose saves Zachery by giving him his helmet when Zachery's is damaged. Goose must then use his super biodefenses to save himself from the vacuum of space. The Galaxy Rangers track down the stolen goods to Tortuna where they go up against the smugglers in a showdown.

An artificial planetoid is detected on a collision course with Earth. The Rangers and the ambassadors head out to try to stop it and find a heavily armed station that is completely empty - empty that is except for the ghosts of the civilization that built it!

Lazarus Slade is supplying the General with warriors for his games by kidnapping. He grabbed Doc off an automated space station, and Goose is sent undercover to find out what's going on. Maya has survived the games thus far, and switches sides to help Goose and Doc put Slade and the General out of commission. The General becomes fascinated with Gooseman, believing him to be a metamorph, and the perfect candidate for his cloned army.

BETA gets a message from the rebels on Wollcam. It seems the Queen is back, and is looking for a legendary Stargate, a wormhole leading to a parallel universe. The only person who seems to know anything about it is a Captain Weege, who is the sole crew of a submarine. Weege wants nothing to do with the Rangers, though he does take an interest in Niko. It's an uneasy partnership, as Captain Foxx and Captain Weege can't seem to decide at first who is in charge.

Miller and Moxy, who has apparently gotten over touching the Poe Mutant sensation doll, sneak into Longshot, after the Supertrooper Juice. This episode has the entire rogue's gallery chasing after Bubblehead the Memory Bird, who has accidentally been downloaded with the Supertrooper Juice formula. The Queen wants it; Jackie Subtract wants it; Daisy O'Mega wants it; the Black Hole Gang wants it; and especially, the Rangers want it back.

The Kiwis and Andorians, on their way back from a Federation Conference, discover The Orion Flying Circus and Rodeo Show, led by Wild Bill Krebb, and have no idea they are meant to be part of the act.

Doc and Niko are sent to Maya's homeworld Tarkon, to prevent a treaty between King Spartos, Maya's father and the Queen of the Crown. In the midst of all this, the mystery of the Heart, a giant computer hidden away in a mountain, is introduced. While Niko investigates the computer with the help of an ancient Shaman, Doc gets to play dress up and even use those fencing lessons he took at Miss Abercrombie's charm school.

Niko and Doc are on board the luxury liner The Christie trying to track down an assassin hired by the Crown without the use of their implants, because their charges were depleted through foul play.

Mogul the Space Sorcerer summons a powerful entity from a pneumonic universe in order to provide him a power source that would make him the most powerful sorcerer in the galaxy. However, he loses control of the entity, and the Lady of Light crash-lands on a planet in the frontier. She loses her crown of power and begins to lose molecular cohesion. If she doesn't return home soon, the resulting explosion could destroy two universes. Goose, Niko, and Waldo try to avert disaster. Naturally, Mogul and Larry follow to stake their claim on a pneumonic power source.

Q-ball's lab is studying a slew of alien devices, where Buzzwang and little Zach are assigned to do an inventory - except one of the devices isn't quite as inert as it was supposed to be.

The Queen hires Killbane to destroy the Kiwi defense shield because she has learned the remaining members of the Gherkin race are hiding there.

Zach and Zozo are sent to planet Biste-Fenokee to check up on Audra Miles, an anthropologist studying an aboriginal species on a world where nature is in complete control and technology doesn't operate properly.

The Rangers receive a distress call from a planet with more water than land, so they, and the dolphins, Icarus and Winter, are sent to investigate. Three aliens have restarted an abandoned factory that was polluting the one major land mass, which is making the planet's aquatic natives sick.

Niko, Doc and Buzz take Zozo, Zach Jr. and the Kiwi kids on a field trip to Mistwalker's home world, and find out the supposedly perfect natural balance has been tipped by Slade.

Wild Bill Krebb and his gang are at it again, this time on Kirwin, where they trick a guide into showing them the home of the legendary Mothmoose. Yes, it is in fact a flying moose. According to legend, the harvest depends on the appearance of this creature, and the Kiwi want it back. So, when BETA deems the recovery of the Mothmoose too far down on their emergency list to merit help from the S5's, it's up to Zozo, Waldo, and the Kiwi kids to get it back.

MaCross wants to own the Texacota valley, because it has oil fields, and decides the best way to go about this is to re-enact a Godzilla movie, using the giant sleeping Bronto Bear, and substituting Texacota for Tokyo. The bear, decidedly unhappy about having its winter hibernation disturbed is on a direct course to the city, and it's up to the rangers to give the big lug a sedative and get it back to the Arctic where it belongs while the law enforcement in Texacota handle crowd control.

The Ranger's first assignment takes them to planet Tortuna to find information on the missing humans. The Rangers go to Tortuna, looking for Captain Kidd, to find out what happened to Eliza. After escaping the Queen's trap on Tortuna, Kidd leads them to the Queen's asteroid. They are captured by the Queen, but they manage to escape with Eliza's comatose body and rescue all the humans intact. Unfortunately, the other half of her psychocrystal is still in the hands of the Queen, so Eliza is placed in stasis until they can retrieve the crystal.

The Queen of the Crown holds a gunslinging contest, with Eliza's crystal as the prize.

A malevolent spirit is harvested along with the crops on the planet of Grana, and it's up to the Galaxy Rangers Niko and Goose to stop the "Scarecrow" before he sows the community's destruction.

Lykans, a highly intelligent wolf-like species, are being blamed for the deaths of Bovo 6 cattle on Prairie. Audra Miles, who has been living with the Lykans, calls on Niko to help her prove the Bovo corporation is at fault, and she and Doc are sent to investigate.

Zach can't make it in time to "The Albert Einstein School for Gifted Youngsters Science Fair," and his daughter Jessie is upset when big brother Zach Jr. comes in his stead, sure that Dad will be there was soon as he can. However, the fair is suddenly overrun by tiny cowboys and indians armed with mini-blasters, and it's up to the kids to save the day from this toy invasion.

The Queen launches a special psychocrystal through hyperspace. It manages to get on board a new ship of the navy that the Rangers happen to be taking on its maiden voyage tour of the solar system. The crystal takes over Zach's arm, and uses his lifeforce to power itself as it constructs a body out of servo droids. The Rangers have to stop it before it kills Zach.

An investigation leads to a Round Up.

The Rangers stop on Mesa to repair Space Tug 4, which was pulling a ship outfitted with an experimental Andorian engine that would render current drives obsolete. A space time distortion opens up, and through it comes a mysterious object, which hits the experimental vessel, and both crash on Mesa. The UFO turns out to be Scarecrow. He takes over a riverboat casino gambler, and teams up with Lazarus Slade. Slade is only interested in getting the new drive, while Scarecrow is after immortality.

Niko and Goose travel to Tarkon after being summoned by Maya when entire villages of frozen, lifeless people are discovered. The Scarecrow is behind it and he is seeking immortality once again. The Scarecrow takes over Maya's mind which gives Niko the perfect excuse to have a good old scrap with her.

Lazarus Slade and Mogul combine their forces to create a badge that will duplicate all of the Rangers' unique gifts, stealing the data needed from the BETA computers.

Old Roy McIntyre's at it again! The prospector and Burr-O 5000 are on C-40, yet another planet in his never-ending search for the mother lode. Using his high-tech divining rod and his space-pick, he strikes it rich, uncovering a huge deposit of Starstones. But it isn't long before word spans the galaxy and the "gold rush" is on. Beings from all over the universe come to the planet to stake a claim and get rich. Unfortunately, the rush attracts the wrong element as well, like the Black Hole gang, who jump claims and rob the miners of their valuable Starstones. And Capt. Kidd and Squeege, sensing a chance to make a space-buck, naturally show up as well. He's selling blasters and weapons to the bandits who are running roughshod over the planet. This "boomtown", a rapidly grown city which sprang up around the mines is on the verge of being a lawless hell-hole. Which is why they request the Galaxy Rangers to come to town.

The rogue Supertroopers kidnap Senator Weiner and force him to steal Batch 22, a virus that can destroy all organic life on any planet. They want Gooseman, Dr. Negata and Commander Walsh to meet them at Wolf Den, their old Supertrooper training ground. Long flashback to when Captain Walsh ran the program, how Weiner messed it up and how Gooseman became the man he is today.

A blond, stubbled man in black appears in Frontier looking for Jacob Laramie, who has hired Stingray as muscle to push ranchers and farmers off their land to use as grazing land for his Bovo 9 cattle. Goose, the man with no name, confronts Stingray and Darkstar.

Zach, Goose and Zozo are stranded on a desert planet in the Empty Zone.

Lazarus Slade has once again teamed up with the Queen of the Crown, and once again they plan an assault on Earth. This time, however, the Queen gives him 500 Plagos for the attack. Plagos lack the good sense God gave sheep. But they might have been successful if they hadn't come up against BETA's brilliant defensive minds. Yes, thanks to an android double of Premier Dutch dispensing knockout gas, Buzzwang, his food dispensing android buddies, the Ambassadors and the Kiwi kids are minding the store, and it's up to them to save the world.

Daisy O'Mega and Maya of Tarkon team up to buy weapons on Mesa to outfit the Tarkonian rebels, and discover someone is arming the natives, and it will turn into an all-out range war if the Rangers can't stop them.

While introducing Kiwi marshmallow trees to the planet Grana, the planet's two suns have an adverse effect on the trees, making them complete their entire cycle of growth in one night, not to mention being 100 times their normal size. The planet will be overrun by the trees if a special breed of locusts aren't used to destroy the crop. Unfortunately, the residents of Grana don't think the locusts are a good idea at all. It turns into a free for all, as everyone commandeers everyone else's vehicle trying to stop the Rangers from releasing the locusts.