An adventurous young man embarks on an epic adventure in space when he sneaks aboard the massive space colony Terra Venture.

The Galaxy Rangers are born as five heroes unite to protect the planet Mirinoi from the villain Furio.

The Rangers befriend the Galactabeasts - five enormous animals that help them defend Terra Venture from the forces of the evil Scorpius.

Leo adjusts to his responsibilities as a member of the GSA when he forgets to properly lock a weapon storage room on Terra Venture.

A homesick boy who misses Earth helps the Rangers during Furio's sleeping gas attack on Terra Venture.

The shape-changing monster Mutantrum poses as Mike to lure Leo to the legendary Lights of Orion.

Battling the Wisewizard, Kendrix meets an actress on a movie set who looks exactly like her.

Kai is smitten by a pretty girl but has little time for romance as the Quake Maker monster attacks Terra Venture with Earthquakes.

The heroic Magna Defender renews his feud with Scorpius' new general Treacheron.

Seeking vengeance for his son, the Magna Defender battles the Fish Face monster on Terra Venture

Leo and the Magna Defender are forced to work together when the Chillyfish monster freezes the people of Terra Venture.

Kendrix and Maya work to escape from a force field created by the monster Destruxo before he can find the Lights of Orion.

It's a three-way race between the Power Rangers, the Magna Defender, and Destruxo as the Lights of Orion return.

Treacheron turns on Trakeena as the Power Rangers must fight the Shark Brothers without Leo.

Mike returns to Terra Venture and searches for a new role to fight against the Skelekron monster.

After hearing from her monster that she isn't the prettiest girl in the world, Trakeena orders him to steal the beauty of all the attractive women of Terra Venture. After she tries to trick Mike, he understands what's been going on and destroys her monster, with the Rangers help. Meanwhile, Trakeena has scurried home, but her father has told her it's time for her to go through her full metamorphosis but she refuses and runs away making Scorpius angry.

A rescue team led by Mike follows a distress call to an abandoned space ship. There they find a spider monster who captures most of the crew. Mike and Leo free the team, and retrieve a mysterious book, just before the ship explodes.

The treacherous Deviot assists Scorpius by unleashing three lost Galactabeasts to attack Terra Venture.

The Rangers struggle to free the lost Galactabeasts from Deviot.

Trakeena escapes the planet Onyx, where she is trained by Villamax. Meanwhile, Deviot sets Scorpius up to be killed by the Rangers. When Trakeena hears of this, she races back to the Scorpion Stinger to assume command, just in time to prevent Deviot from using her coccoon.

Trakeena captures Leo to make him pay for killing her father. The two fight one on one, until Deviot's hitmen try to kill Trakeena. She turns the tables on the assassins, and Leo escapes while the villains are distracted.

One of Maya's old friends, Shondra, appears on Terra Venture. Kendrix's suspicions of her are proven to be true, when Maya finds Shondra stealing the Galaxy Book. Shondra reveals herself to be one of Trakeena's monster, and the Rangers destroy her and retrieve the book.

Holding High Commander Renier hostage, Trakeena demands that Terra Venture send her a mechanic to fix the Scorpion Stinger. Damon volunteers, and while he works on the engine, Leo sneaks in and frees the Commander.

One of Trakeena's monster takes control of Commander Stanton's mind, and has him set Terra Venture on a course towards a star. Only by disregarding the rules and following his instincts is Kai able to discover this plot, free Stanton, and save Terra Venture.

Leo, Damon, and Kai race the Motor Mantis monster on motorcycles, the prize: Kendrix and Maya!

Deviot sends the honorable warrior Loyax to destroy the Rangers, but when he meets Maya he questions the honor in his ways.

Leo struggles to earn the approval of the brother of the girl he wants to date while trying to save her from Trakeena's latest monster.

The Rangers fight the Chameliac Warrior to save their Galactabeasts.

Deviot enlists the Psycho Rangers to capture the Galaxy Rangers, prompting Andros and the Space Rangers to travel to Terra Venture to help.

The Space Rangers and Galaxy Rangers unite to help Kendrix against the Pink Psycho Ranger.

Karone once again assumes the role of Astronema as she risks her life to save the Pink Quasar Saber from falling into the hands of evil.

Karone struggles to overcome her evil past as Astronema while adjusting to being the new Pink Galaxy Ranger.

Damon competes for the position of chief mechanic. He is beaten by Baxter, who steals his plans to win. Baxter and Damon must then team up to defeat the Decibat monster, by using the machine Damon invented.

The Guardian arrives on Terra Venture, to get the Galaxy Book back. Deviot interferes, and the Guardian is killed, passing on the role of guardian to Kai. Deviot gets the book, and transports Terra Venture into the lost galaxy.

Terra Venture is greeted in the Lost Galaxy by Captain Mutiny, who the Rangers discover runs a slave camp, and is looking to add the colony's citizens to his work force. Mutiny unleashes the Grunchor monster on Terra Venture, which burrows underground.

The Rangers race to find the Grunchor monster, who is causing massive earthquakes and destruction on the station. He surfaces at the command of Barbarax, and attacks the Rangers, who destroy him with fire.

Leo and Damon are captured by Captain Mutiny and hung out to bake in the sun. As they roast, they remember their past adventure as Rangers. The others find them and set them free.

Captain Mutiny's sorceress Hexuba uses her magic to cause the Power Rangers to fall into a deep restless sleep.

Hexuba resurrects past monsters, and sends them down to Terra Venture. The Rangers wear themselves out battling monster after monster, but Kai travels to the source, a graveyard, and puts an end to Hexuba's voodoo.

Captain Mutiny decides to unleash his most fearsome monster against the Rangers - the Titanisaur. The Rangers and their Megazords must combine all of their powers and give it all they've got to defeat this creature.

Mike sacrifices to help Terra Venture escape the Lost Galaxy.

Terra Venture discovers a lush green planet to colonize as Trakeena merges with Deviot to become stronger than ever.

The Rangers work to evacuate the crew of Terra Venture as Trakeena launches her final assault.

Trapped on a desolate Moon in the ruins of Terra Venture, Leo faces Trakeena all alone.