Toppa Bashin, who received a pendent with a red stone from his missing father, goes to meet the Battle Spirits champion J Sawaragi for a match.

After his match against J, Bashin learns that he's a chosen card battler.

It's Parents Day at Toaru Elementary school, and one of the rumored Nazo-Otona appears.

Popular idol My Sunshine disappears before a concert, and while searching for her, Bashin finds her alter-ego Suiren instead.

Bashin and J's elementary schools face off at the athletics meet.

Striker feels useless while in the hospital, so he decides to learn Battle Spirits.

Bashin and Striker are locked out of a My Sunshine performance.

Bashin's class is going to Kyoto on a trip, but Meganeko is left behind.

J locks in the guests at a party in his Kyoto home to catch a Nazo-Otona.

In order to mend his relationship with his mother, J decides to give up Battle Spirits.

My Sunshine announces on Battle Spirits TV that she doesn't like Battle Spirits.

Bashin gives Siegfried to Striker, and goes off to try and win 100 battles without it.

It's the day of the tournament, but Bashin is still in his room, sleeping.

In the main tournament, Bashin and J make it to the final round.

Bashin is planning a surprise for his school Christmas party.

After getting in a fight with Bashin over his deck, Aibou runs off.

Suiren's true identity is revealed to be... an old lady?

While Meganeko plays detective, J invites Bashin and his friends to test a new battle system.

On the last day of school, Bashin decides to ditch the surprise party his class planned for Card Sensei.

Noticing how off Bashin, who still hasn't apologized to Meganeko has been, Striker decides he needs Valentines chocolate to feel better.

Meganeko starts her training under Card Sensei, where she chooses to be a yellow card battler.

Bashin wants to test his new X-Rare on J, but he's still acting strangely.

Meganeko enters the spring tournament, disguised as the masked card battler Kiiroko.

If he can defeat Kiiroko, Bashin will get to face J again in the finals.

J throws a graduation party, and Bashin brings Kiiroko along to surprise his friends.

My Sunshine is going through artists block, so her manager hires a music critic for her.

Battle Spirits TV films a special at J's castle, which is rumored to be haunted.

Bashin and the others finally enter middle school, where both he and J find Numbers within their new schools.

Bashin wants to join the Battle Spirits club, which may not even exist.

My Sunshine learns that her new school lacks a Battle Spirits club, and tries to rectify that.

Hayami wonders if she needs to let go of Bashin, when he'd rather spend time with his friends than her.

The Battle Spirits club finds that they need an advisor to go on a trip for Golden Week.

At training camp, Striker becomes concerned at the lack of teamwork from his fellow club members.

J's father is opposed to his son joining Numbers Elite, but doesn't know how to confront him about it.

The Toaru and Tonari Battle Spirits clubs combine, to face Numbers Elite in Kyoto.

While their owners are stuck taking tests, the pets decide to confront Okyou.

When My Sunshine is frustrated over her movie, Meganeko comes to her for help.

Bashin forms a team to get back J, but before the tournament, Seven defects.

Suspicious of Masako's true identity, Striker confronts Elliott.

Bashin is set to face Jack Knight in the final round, but the order was suddenly changed.

At last Bashin and Jack Knight battle, but King Uchuuchouten brings real spirits into the match.

Number Nine entrusts Number Eight the task of delivering invitations to the King Uchuuchouten Cup, as a test of loyalty.

While on a trip to the beach, Striker notices My Sunshine is acting strangely, so the pets convince him she must be in love with someone.

Meganeko finds a photo of her grandfather with King Uchuuchouten, along with a new X-Rare.

Realizing Number Nine's true intentions, Elliott and Kiano decide to try and stop him.

Before the King Uchuuchouten Cup begins, Card Sensei and the others look for the disappeared Masako Sensei.

Striker and Suiren have one last secret weapon that could help defeat Number Nine.

Bashin and J reveal their new X-Rare to defeat Seven and Smile.

Both the real world and Isekai World are at risk in Bashin's battle with King Uchuuchouten.