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.
Episode 1
Front Breaking Bashin Enters Stage!
Sep 7, 2008
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
The Rival's Name is J
Sep 14, 2008
After his match against J, Bashin learns that he's a chosen card battler.
Episode 3
Parents Day in the Stormy Course of Life
Sep 21, 2008
It's Parents Day at Toaru Elementary school, and one of the rumored Nazo-Otona appears.
Episode 4
The Idol is My Sunshine
Sep 28, 2008
Popular idol My Sunshine disappears before a concert, and while searching for her, Bashin finds her alter-ego Suiren instead.
Episode 5
The Athletics Meet is Trouble
Oct 5, 2008
Bashin and J's elementary schools face off at the athletics meet.
Episode 6
Card Battler Hospital Visit
Oct 12, 2008
Striker feels useless while in the hospital, so he decides to learn Battle Spirits.
Episode 7
Shut up the Uproar
Oct 19, 2008
Bashin and Striker are locked out of a My Sunshine performance.
Episode 8
Break Through From the Front at the Field Trip
Oct 26, 2008
Bashin's class is going to Kyoto on a trip, but Meganeko is left behind.
Episode 9
Okyou's Labyrinth?
Nov 2, 2008
J locks in the guests at a party in his Kyoto home to catch a Nazo-Otona.
Episode 10
Big Maze is Big Trouble
Nov 9, 2008
In order to mend his relationship with his mother, J decides to give up Battle Spirits.
Episode 11
The Great Batosupi Operation
Nov 16, 2008
My Sunshine announces on Battle Spirits TV that she doesn't like Battle Spirits.
Episode 12
Unidentified Unknown Invitation
Nov 23, 2008
Bashin gives Siegfried to Striker, and goes off to try and win 100 battles without it.
Episode 13
Arrival of the Gunslinger's Apparition
Nov 30, 2008
It's the day of the tournament, but Bashin is still in his room, sleeping.
Episode 14
First Final is Smile After Tears
Dec 7, 2008
In the main tournament, Bashin and J make it to the final round.
Episode 15
A Faulted Perfect Christmas
Dec 14, 2008
Bashin is planning a surprise for his school Christmas party.
Episode 16
The Day Aibou Disappeared
Dec 21, 2008
After getting in a fight with Bashin over his deck, Aibou runs off.
Episode 17
My First Sunshine
Jan 4, 2009
Suiren's true identity is revealed to be... an old lady?
Episode 18
Break Through From the Front in Winter
Jan 11, 2009
While Meganeko plays detective, J invites Bashin and his friends to test a new battle system.
Episode 19
Thrilling Tag Rivals
Jan 18, 2009
Elliott plans to open a Battle Spirits school in America.
Episode 20
A Broken Friendship is a Constant Disagreement
Jan 25, 2009
On the last day of school, Bashin decides to ditch the surprise party his class planned for Card Sensei.
Episode 21
My Sunshine Valentine
Feb 1, 2009
Noticing how off Bashin, who still hasn't apologized to Meganeko has been, Striker decides he needs Valentines chocolate to feel better.
Episode 22
Being a Nazo Otona was His Secret
Feb 8, 2009
Meganeko starts her training under Card Sensei, where she chooses to be a yellow card battler.
Episode 23
Last Days as an Elementary Schooler
Feb 15, 2009
Bashin wants to test his new X-Rare on J, but he's still acting strangely.
Episode 24
Spring Batosupi- A Yellow Storm
Feb 22, 2009
Meganeko enters the spring tournament, disguised as the masked card battler Kiiroko.
Episode 25
A Flash of Light- The Cornerstone's Awakening
Mar 1, 2009
If he can defeat Kiiroko, Bashin will get to face J again in the finals.
Episode 26
Batosupi Under the Sakura
Mar 8, 2009
J throws a graduation party, and Bashin brings Kiiroko along to surprise his friends.
Episode 27
Pink and Amade Us
Mar 15, 2009
My Sunshine is going through artists block, so her manager hires a music critic for her.
Episode 28
J- Trip to a Town of Romance
Mar 22, 2009
Battle Spirits TV films a special at J's castle, which is rumored to be haunted.
Episode 29
Middle School Uniforms New School Uniforms
Mar 29, 2009
Bashin and the others finally enter middle school, where both he and J find Numbers within their new schools.
Episode 30
Thriving Spirits Batosupi Club
Apr 5, 2009
Bashin wants to join the Battle Spirits club, which may not even exist.
Episode 31
A Student Council for Batosupi
Apr 12, 2009
My Sunshine learns that her new school lacks a Battle Spirits club, and tries to rectify that.
Episode 32
A Letter From the Speed Star
Apr 19, 2009
Hayami wonders if she needs to let go of Bashin, when he'd rather spend time with his friends than her.
Episode 33
Aim for the Weak Point for the Advisor Too!
Apr 26, 2009
The Battle Spirits club finds that they need an advisor to go on a trip for Golden Week.
Episode 34
The Treacherous Training Camp Jack
May 3, 2009
At training camp, Striker becomes concerned at the lack of teamwork from his fellow club members.
Episode 35
Break Through From the Front of Tests and Fathers
May 10, 2009
J's father is opposed to his son joining Numbers Elite, but doesn't know how to confront him about it.
Episode 36
Hot Blooded Batosupi Club at the Capital
May 17, 2009
The Toaru and Tonari Battle Spirits clubs combine, to face Numbers Elite in Kyoto.
Episode 37
The Spirit of Aibou's Group
May 24, 2009
While their owners are stuck taking tests, the pets decide to confront Okyou.
Episode 38
Rapid Loop Pool
May 31, 2009
When My Sunshine is frustrated over her movie, Meganeko comes to her for help.
Episode 39
Deep Close Contact with the Opposing Team- The Curtain Raised?
Jun 7, 2009
Bashin forms a team to get back J, but before the tournament, Seven defects.
Episode 40
Break Through- The Space Between Family and Team
Jun 14, 2009
Suspicious of Masako's true identity, Striker confronts Elliott.
Episode 41
Confrontation! Black Knight and Queen will Definitely be Finished
Jun 28, 2009
Bashin is set to face Jack Knight in the final round, but the order was suddenly changed.
Episode 42
Settlement- In Jack's Night, Death is Rebirth
Jul 5, 2009
At last Bashin and Jack Knight battle, but King Uchuuchouten brings real spirits into the match.
Episode 43
The Revived Master is a Blue Comet
Jul 19, 2009
Number Nine entrusts Number Eight the task of delivering invitations to the King Uchuuchouten Cup, as a test of loyalty.
Episode 44
Surfing, Sun and Striker
Jul 26, 2009
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
Break Through From the Front in Summer
Aug 2, 2009
Meganeko finds a photo of her grandfather with King Uchuuchouten, along with a new X-Rare.
Episode 46
The Cornerstone Six- Disappearance the Day Before the Finals
Aug 9, 2009
Realizing Number Nine's true intentions, Elliott and Kiano decide to try and stop him.
Episode 47
Break Through From the Front Showtime- The Curtain Raised!
Aug 16, 2009
Before the King Uchuuchouten Cup begins, Card Sensei and the others look for the disappeared Masako Sensei.
Episode 48
The Last Opponent Nine- The Last Battle
Aug 23, 2009
Striker and Suiren have one last secret weapon that could help defeat Number Nine.
Episode 49
Take it From the Life! Shine, Cornerstone's Settlement!!
Aug 30, 2009
Bashin and J reveal their new X-Rare to defeat Seven and Smile.
Episode 50
Miracle Card Battler- Bashin Breaks Through From the Front!
Sep 6, 2009
Both the real world and Isekai World are at risk in Bashin's battle with King Uchuuchouten.