50 episodesFirst aired 7 September 2008
The series follows the daily adventures of 6th year elementary school student, Toppa Bashin, who has a mysterious red stone pendant from his father. One day he meets J Sawaragi, the consecutive tournament champion, who possesses a similar white stone. J challenges Bashin to a battle in the alternate universe, Isekai World, where spirits are real.
Sept 200824m
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.
Sept 200824m
After his match against J, Bashin learns that he's a chosen card battler.
Sept 200824m
It's Parents Day at Toaru Elementary school, and one of the rumored Nazo-Otona appears.
Sept 200824m
Popular idol My Sunshine disappears before a concert, and while searching for her, Bashin finds her alter-ego Suiren instead.
Oct 200824m
Bashin and J's elementary schools face off at the athletics meet.
Oct 200824m
Striker feels useless while in the hospital, so he decides to learn Battle Spirits.
Oct 200824m
Bashin and Striker are locked out of a My Sunshine performance.
Oct 200824m
Bashin's class is going to Kyoto on a trip, but Meganeko is left behind.
Nov 200824m
J locks in the guests at a party in his Kyoto home to catch a Nazo-Otona.
Nov 200824m
In order to mend his relationship with his mother, J decides to give up Battle Spirits.
Nov 200824m
My Sunshine announces on Battle Spirits TV that she doesn't like Battle Spirits.
Nov 200824m
Bashin gives Siegfried to Striker, and goes off to try and win 100 battles without it.
Nov 200824m
It's the day of the tournament, but Bashin is still in his room, sleeping.
Dec 200824m
In the main tournament, Bashin and J make it to the final round.
Dec 200824m
Bashin is planning a surprise for his school Christmas party.
Dec 200824m
After getting in a fight with Bashin over his deck, Aibou runs off.
Jan 200924m
Suiren's true identity is revealed to be... an old lady?
Jan 200924m
While Meganeko plays detective, J invites Bashin and his friends to test a new battle system.
Jan 200924m
Elliott plans to open a Battle Spirits school in America.
Jan 200924m
On the last day of school, Bashin decides to ditch the surprise party his class planned for Card Sensei.
Feb 200924m
Noticing how off Bashin, who still hasn't apologized to Meganeko has been, Striker decides he needs Valentines chocolate to feel better.
Feb 200924m
Meganeko starts her training under Card Sensei, where she chooses to be a yellow card battler.
Feb 200924m
Bashin wants to test his new X-Rare on J, but he's still acting strangely.
Feb 200924m
Meganeko enters the spring tournament, disguised as the masked card battler Kiiroko.
Mar 200924m
If he can defeat Kiiroko, Bashin will get to face J again in the finals.
Mar 200924m
J throws a graduation party, and Bashin brings Kiiroko along to surprise his friends.
Mar 200924m
My Sunshine is going through artists block, so her manager hires a music critic for her.
Mar 200924m
Battle Spirits TV films a special at J's castle, which is rumored to be haunted.
Mar 200924m
Bashin and the others finally enter middle school, where both he and J find Numbers within their new schools.
Apr 200924m
Bashin wants to join the Battle Spirits club, which may not even exist.
Apr 200924m
My Sunshine learns that her new school lacks a Battle Spirits club, and tries to rectify that.
Apr 200924m
Hayami wonders if she needs to let go of Bashin, when he'd rather spend time with his friends than her.
Apr 200924m
The Battle Spirits club finds that they need an advisor to go on a trip for Golden Week.
May 200924m
At training camp, Striker becomes concerned at the lack of teamwork from his fellow club members.
May 200924m
J's father is opposed to his son joining Numbers Elite, but doesn't know how to confront him about it.
May 200924m
The Toaru and Tonari Battle Spirits clubs combine, to face Numbers Elite in Kyoto.
May 200924m
While their owners are stuck taking tests, the pets decide to confront Okyou.
May 200924m
When My Sunshine is frustrated over her movie, Meganeko comes to her for help.
Jun 200924m
Bashin forms a team to get back J, but before the tournament, Seven defects.
Jun 200924m
Suspicious of Masako's true identity, Striker confronts Elliott.
Jun 200924m
Bashin is set to face Jack Knight in the final round, but the order was suddenly changed.
Jul 200924m
At last Bashin and Jack Knight battle, but King Uchuuchouten brings real spirits into the match.
Jul 200924m
Number Nine entrusts Number Eight the task of delivering invitations to the King Uchuuchouten Cup, as a test of loyalty.
Jul 200924m
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.
Aug 200924m
Meganeko finds a photo of her grandfather with King Uchuuchouten, along with a new X-Rare.
Aug 200924m
Realizing Number Nine's true intentions, Elliott and Kiano decide to try and stop him.
Aug 200924m
Before the King Uchuuchouten Cup begins, Card Sensei and the others look for the disappeared Masako Sensei.
Aug 200924m
Striker and Suiren have one last secret weapon that could help defeat Number Nine.
Aug 200924m
Bashin and J reveal their new X-Rare to defeat Seven and Smile.
Sept 200924m
Both the real world and Isekai World are at risk in Bashin's battle with King Uchuuchouten.