Captain Marvelous has been captured by Damarasu and Basco and is going to be publicly executed while Joe, Luka, Ahim and Gai are nowhere to be found. Doc, as the final Gokaiger left, must work on his own to save his fellow pirates.

With Basco ta Jolokia in possession of all of their Ranger Keys and 34 of the greater powers, the Gokaigers must find a way to get them back and to defeat him once and for all

The Gokaigers must figure out how to combine all of their powers to defeat Warzu Giru's Great Warzu, while Joe and Barizorg face off for the last time

Sally seeks refuge with the Gokaigers when Basco turns on her.

Zangyack is advancing on their final plans, which includes an all out attack on the Gokaigers, and the ultimate destruction of Earth! It has been revealed that the Greatest Treasure in the Universe can, and must, be used to wipe out Zangyack's Great Fleet, completely. The Gokaigers are hesitant to do so, as the cost of the power would be the existence of the 34 senior Super Sentai...

With Navi's next clue being "Moroboshi High School", Gai realizes that their next clue to the Greatest Treasure in the Universe has to do with the Megarangers. The Gokaigers visit the high school, and discover that Kenta Date, the former Mega Red, has become a teacher, and he tells them that they must become his students in order to obtain his team's greater power

On the Gigant Horse, wondering what their next course should be, Damarsu and Isarn receive an unexpected visit from the Zangyack Imperial Fleet as the Zangyack Emperor Akudosu Gill arrives to the bridge. As news of his son's death has reached him, Akudosu has decided to assume command while having his Imperial Guards take Damarasu to the brig for failing in his mission as he then sends the Imperial Guard Zatsurigu to avenge his son.

With all 35 of the greater powers, the Gokaigers seek out the Greatest Treasure in the Universe, but Insarn is sent to begin the Zangyack Empire's final assault on the Earth

With Navi's next clue being "Sa-mu-r-aa-i", the Gokai Galleon crew seeks out a kendo club until they are approached by a girl who claims to be the samurai known as Shinken Red. Joe begins training with her to face off against his old comrade Barizorg.

Joe goes off to face Barizorg alone in an attempt to make him remember his past as Kaoru assists the Gokaigers in their fight against the Zangyack Empire.

Navi asks them to look for a "Tiger Boy for Great Wisdom" and so, they started heading out to search for zoos. However, the Kung Fu Specialist Action Commander, Pachamac XIII appears and begins destroying the city. In the battle, Doc and Ahim tried to take on the Commander and the lost which cause them to feel down for themselves. By chance, the came into a group that teaches Kenpo Lessons for kids. Teaching the kids is a young man and the two started their Kenpo training. Will Doc and Ahim defeat this Kung Fu Specialist? And who is this man?

Navi, using its Otakara Navigate ability to go to the police because they will tell them something good. Later on, Marvelous finds one and he is no other than Space Police's Earthshine Chief, Doggie Kruger! And the problem is, he is interested in arresting the Gokaigers! The Zangyack later appears and Marvelous can't do a thing because he is in handcuffs!

Don shows his shipmates that the Gokaigers' bounties have skyrocketed to nearly the same level of the Red Pirates. Showing no interest in the news, Captain Marvelous tells Navi to foretell their next course; the robot parrot, however, sees danger coming their way. Meanwhile, a red Zangyack ship arrives to the Earth with Oiles Gil learning that it is captained by a privateer under the Zangyack Empire. While cautiously exploring in a town, the Gokaigers meet the privateer, who Captain Marvelous identifies as Basco ta Jolokia. He announces that he has also come for the Greatest Treasure in the Universe.

Captain Marvelous must figure out a way to save his crew members from Basco ta Jolokia without paying the ransom of all of the Ranger Keys. The crew must fight the joined forces of Go-onSilver, Go-onGold, GoseiKnight, KibaRanger, ShinkenGold, MagiShine, MegaSilver, GaoSilver, AbareKiller and BoukenSilver.

Marvelous, Joe and Luka are transported to Satarakura Jr.'s “Boki Space.” Yousuke, Nanami and Kouta, of Hurricaneger, convince Gai Doc and Ahim for the return of their ranger keys and break into the Boki Space to rescue them, while Marvelous falls into the worst situation.

In the past, the 34 Super Sentai defended the Earth against Space Empire Zangyakku. The soldiers of legend lost their powers during this battle, but through their sacrifice, Zangyakku was able to be repelled from the Earth. Several years later, we meet a group of young pirates who travel aboard the ship, GoukaiGalleon. They are in search of the "Uchuu Saidai no Takara" (Greatest Treasure in the Universe). They head towards Earth, where it is said the Greatest Treasure rests.

In a race to find the floating island before the Zangyack forces do, the Gokai Galleon crew instead finds a veterinarian.

When Gai loses the Gokai Cellular to Action Commander Bakyura, he learns what it truly means to be a hero from a strange man who owns a Chinese restaurant.

Luka is reunited with her childhood friend Cain who has since become a millionaire

The former Time Yellow Domon tells the Gokaigers that they must go back in time to help the Goseigers and Shinkengers.

After a battle, the Gokai Galleon crew discovers a magazine feature that says that Don Dogoier is a famous warrior who once slayed a powerful dragon, but Doc reveals that he actually has no memories from shortly before he joined the Gokaigers. Damarasu joins forces with Basco in an attempt to exact his revenge on the pirates.

Joe and Luka infiltrate the Green Fleet, the Zangyack Empire's special forces, to learn more about their Gigarollium Cannon.

The Zangyack Empire calls upon the Space-Ninjas Satarakura Jr. and Sandaaru Jr. to take on the Gokaigers. As the two take Captain Marvelous, Joe, and Luka on, the battle is witnessed by a trio of mysterious ninjas.

The Gokaigers had achieved the Great Power of the Magiranger. Using the Magiranger Keys in the cockpit, the Rangers activated MagiDragon. Action Commander Zodomas, a sword specialist, appears and begins destroying the city. Joe and Ahim are out shopping when Zodomas attacks, and have to start fighting with Marvelous, Don and Luka. Joe is made a fool of by Zodomas' sword techniques, and after the battle he decides he needs to go this one alone, and leaves Gokai Galleon. Ahim is worried about him, and tries to convince him they need to fight as a team. Can Joe really defeat Zodomas on his own? Grasp this battle in your hands! It's not something you want to miss!

After watching the Gokaigers defeat another wave of Zugormin with Go-on Gokaioh and Goujyujin, Warzu Giru throws his usual temper tantrum over the loss until Insarn tells him of the unexpected visit from two members of the Imperial Guard, the Dogormin. Meeting with the Dogormin, Warzu learns that they have brought with them the Great Warzu robot, the Zangyack Empire's greatest war machine, for him to get the invasion back on track. Gokaioh and Goujyujin are formed to face the Great Warzu, which knocks Machalcon back into Machine World before overpowering the Gokaigers' Goujyu Gokaioh formation. Sparked by his memories of Aka Red's death, Captain Marvelous refuses to let his crew die as he forcibly ejects them to safety.