Mira works part-time on a curry restaurant she has loved since childhood. However, business is not as booming as it once was so the other Boonboomger decide to investigate.

Ichirou bumps into a spy with whom he used to work with, while the others are called into action to deal with a camera monster.

Mira is propositioned into a political marriage with Spindor as the team struggles with the fact that they may have lost.

The Boonboomger enter the final lap of their battle with the Hashiriyan.

Boonboom has fallen in love. Mira, as a delivery person, decides to take Boonboom to the person he loves. Boonboom falls in love with someone he never expected...!? Meanwhile, Taiya gives something to Genba.

Taiya makes a special delivery to an old friend who inspired him to become a deliverer in the first place. Meanwhile, Cannonborg, another team captain arrives to assist the Sanseater in taking over Earth.

A new powerful enemy has arrived, and Genba seems to have some history with him...

As ISA is making suspicious moves, Baisu Maimi, a co-worker of Shirabe, returns to Japan. Meanwhile, the Boonboomger are getting wiped clean.

A boy who admires Bun Blue appears and asks to become his apprentice. However, Ishirou does not want any part of it, leaving the situation to Bun Black instead.

Spindor is curious about Santa Claus and wants him kidnaped and brought before him.

Distraught over having his fortune taken from him, Taiya heads out to find his mentor who is behind all this.

Taiya is devastated with Bundorio's apparent death and attempts to fix him up. Meanwhile, Dissrace returns and initiates a plan to turn the public opinion against the Boonboomgers but Sakito and Byun rise against him.

Society has turned on the Boonboomger, while Yaiyai Yarucar is turned into a Kurumaju with the power of all Kurumaju.

After saving a child from getting hit by a truck, Mira is arrested by Officer Akuse and brought in for questioning by the International Space Agency.

Taiya reveals his real intentions to form the Boonboomgers, which is to participate in the "Big Bang Grand Prix", the biggest and most important race of the entire universe, while fighting the Hashiriyans was not in his original plans.

Taiya is seriously wounded after his fight with Mad Rex and Shirabe informs the team that the ISA decided to have the Boonboomgers disbanded and their equipment confiscated.

At the Hashiriyan's request, Sakito starts trying to get rid of the Boonboomgers! Taiya asks him, "Why did you abandon the earth?" But...!? Will Sakito turn out to be a friend or foe!?

A series of unexplained fires have been burning down the town, and the people seem to be in trouble. Genba, who has become a "detective", deduces the cause.

The Boonboomgers came to the after-school daycare facility where Taiya used to attend. There, they learn about Taiya's first love. While they are having a good time talking about their sweet and sour memories, a new Grumer appears, and Taiya and Sakito are put to sleep by a mysterious attack...!?

Cannonborg is on his last legs, initiating a plan to destroy Earth from space.

Shirabe is to explain the Boonboomgers to the head of ISA. Meanwhile, Taiya and the others have to fight a familiar Grumer. What's more, something extraordinary happens...!? The 3rd LAP is about to begin.

The team is distraught after Genba left and Jou decides to work even harder to make up for it.

Sakito and Byun help with Ichiro's spy job, while Taiya tells the others the story of how he and Ichiro met.

The Sanseater try to make Mad Rex recover his memories.

Genba is defeated by Dissrace and rescued by Sakito when they run into a mysterious man on the railway tracks.