Bashin is a grade 6 student who loves trading card games. The globally popular card game Battle Spirits is all the rage. Through some strange circumstances, Bashin acquires a Pyroxene which gives Bashin the ability to become a Card Battler. He can summon the monster Spirits depicted on the cards so they can fight each other. Bashin learns that the legendary X Rare Card actually exists, and he engages in fierce card battles with other rivals to get the X Rare Card.
Episode 1
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.
Episode 2
After his match against J, Bashin learns that he's a chosen card battler.
Episode 3
It's Parents Day at Toaru Elementary school, and one of the rumored Nazo-Otona appears.
Episode 4
Popular idol My Sunshine disappears before a concert, and while searching for her, Bashin finds her alter-ego Suiren instead.
Episode 5
Bashin and J's elementary schools face off at the athletics meet.
Episode 6
Striker feels useless while in the hospital, so he decides to learn Battle Spirits.
Episode 7
Bashin and Striker are locked out of a My Sunshine performance.
Episode 8
Bashin's class is going to Kyoto on a trip, but Meganeko is left behind.
Episode 9
J locks in the guests at a party in his Kyoto home to catch a Nazo-Otona.
Episode 10
In order to mend his relationship with his mother, J decides to give up Battle Spirits.
Episode 11
My Sunshine announces on Battle Spirits TV that she doesn't like Battle Spirits.
Episode 12
Bashin gives Siegfried to Striker, and goes off to try and win 100 battles without it.
Episode 13
It's the day of the tournament, but Bashin is still in his room, sleeping.
Episode 14
In the main tournament, Bashin and J make it to the final round.
Episode 15
Bashin is planning a surprise for his school Christmas party.
Episode 16
After getting in a fight with Bashin over his deck, Aibou runs off.
Episode 17
Suiren's true identity is revealed to be... an old lady?
Episode 18
While Meganeko plays detective, J invites Bashin and his friends to test a new battle system.
Episode 19
Elliott plans to open a Battle Spirits school in America.
Episode 20
On the last day of school, Bashin decides to ditch the surprise party his class planned for Card Sensei.
Episode 21
Noticing how off Bashin, who still hasn't apologized to Meganeko has been, Striker decides he needs Valentines chocolate to feel better.
Episode 22
Meganeko starts her training under Card Sensei, where she chooses to be a yellow card battler.
Episode 23
Bashin wants to test his new X-Rare on J, but he's still acting strangely.
Episode 24
Meganeko enters the spring tournament, disguised as the masked card battler Kiiroko.
Episode 25
If he can defeat Kiiroko, Bashin will get to face J again in the finals.
Episode 26
J throws a graduation party, and Bashin brings Kiiroko along to surprise his friends.
Episode 27
My Sunshine is going through artists block, so her manager hires a music critic for her.
Episode 28
Battle Spirits TV films a special at J's castle, which is rumored to be haunted.
Episode 29
Bashin and the others finally enter middle school, where both he and J find Numbers within their new schools.
Episode 30
Bashin wants to join the Battle Spirits club, which may not even exist.
Episode 31
My Sunshine learns that her new school lacks a Battle Spirits club, and tries to rectify that.
Episode 32
Hayami wonders if she needs to let go of Bashin, when he'd rather spend time with his friends than her.
Episode 33
The Battle Spirits club finds that they need an advisor to go on a trip for Golden Week.
Episode 34
At training camp, Striker becomes concerned at the lack of teamwork from his fellow club members.
Episode 35
J's father is opposed to his son joining Numbers Elite, but doesn't know how to confront him about it.
Episode 36
The Toaru and Tonari Battle Spirits clubs combine, to face Numbers Elite in Kyoto.
Episode 37
While their owners are stuck taking tests, the pets decide to confront Okyou.
Episode 38
When My Sunshine is frustrated over her movie, Meganeko comes to her for help.
Episode 39
Bashin forms a team to get back J, but before the tournament, Seven defects.
Episode 40
Suspicious of Masako's true identity, Striker confronts Elliott.
Episode 41
Bashin is set to face Jack Knight in the final round, but the order was suddenly changed.
Episode 42
At last Bashin and Jack Knight battle, but King Uchuuchouten brings real spirits into the match.
Episode 43
Number Nine entrusts Number Eight the task of delivering invitations to the King Uchuuchouten Cup, as a test of loyalty.
Episode 44
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.
Episode 45
Meganeko finds a photo of her grandfather with King Uchuuchouten, along with a new X-Rare.
Episode 46
Realizing Number Nine's true intentions, Elliott and Kiano decide to try and stop him.
Episode 47
Before the King Uchuuchouten Cup begins, Card Sensei and the others look for the disappeared Masako Sensei.
Episode 48
Striker and Suiren have one last secret weapon that could help defeat Number Nine.
Episode 49
Bashin and J reveal their new X-Rare to defeat Seven and Smile.
Episode 50
Both the real world and Isekai World are at risk in Bashin's battle with King Uchuuchouten.
