"Weak Legs" Kenichi Shirahama would rather spend his time reading self improvement books than fighting.
Genre: Animation, Action, Comedy
Cast:Josh Grelle , Carrie Savage , Christopher Sabat , Kent Williams , Vic Mignogna , Sonny Strait , R. Bruce Elliott , Trina Nishimura , Tomokazu Seki , Tomoko Kawakami , Stephen Hoff , Chris Cason , Todd Haberkorn , J. Michael Tatum , Cherami Leigh , Mike McFarland , Travis Willingham , Colleen Clinkenbeard
Kenichi is off to a rough start during his first week of high school. His luck worsens when a bully challenges him to a fight. Now Kenichi must hone his fighting skills or risk getting pummeled.
Kenichi receives an anonymous love letter, but decides his ongoing feelings for Miu mean he must turn down the secret admirer. On his way to meet her, however, he's forced to defend the Shinpaku Alliance from a Ragnarok threat.
Kenichi becomes the target of suspicion after displaying great skill and ability during his fight. Meanwhile, Miu proves herself as an athlete.
Kenichi's spirits are pretty low after so many fights. Luckily, the masters have a plan: in order to boost his spirits, the Ryozanpaku back-breakers are going to play match-maker!
After each win, Kenichi encouters an even stronger opponent. Soon the teenager decides to move in to the dojo to intensify his training.
An opponent increases the stakes of a fight when he brandishes a knife. Kenichi soon turns to a special trainer to learn about weapons. Will these lessons come in handy during round two?
Apachai finally gets a chance to train Kenichi, and just in time - agents of Ragnarok are prowling the halls of his school, roughing up anyone unlucky enough to catch their eye.
Kenichi arrives to help his friends. But before he can take on his biggest enemy, Hermit steps in.
As Kenichi continues his epic rooftop fight against Takeda, the young fighter learns a secret from his opponent's past.
Kenichi hoped he'd catch a break after defeating Takeda, but his victory reveals a new enemy wants him dead.
Add a plot
Hermit returns for another round against Kenichi, but someone unexpected gets in his way. Believe it or not, it's Kenichi's feisty little sister, Honoka!
When Miu's teacher demands to know more about her living situation, the dojo members are forced to concoct a plan to fool her.
Everything's going great for Kenichi and Miu until a rival dojo attacks. Without the masters around, the two must face the intruders on their own.
The dojo gang embarks on a vacation. But fun turns into fear when the masters issue a challenge Kenichi isn't ready to take.
The leaders of the Ragnarok gang induct a new face to the organization's upper echelon. This can only mean trouble for Kenichi.
Now part of the Eight Fists, Kisara is determined to eliminate those who deserted her. When Kenichi learns that Takeda is in danger, he offers his help.
Kisara is determined to punish Takeda for his betrayal. Can Kenichi and Miu intervene in time?
Niijima plans to create the Shinpaku Alliance, a personal army that will help him secure power in Japan and around the world. He wants Kenichi's help, but first he'll need to find the dojo.
Chaos reigns as simultaneous battles put everyone in danger. Niijima, Kisara, and Miu go to combat with their deadliest foes.
Kenichi becomes jealous when the handsome president of the drama club asks Miu to act in an production. But the young fighter will have to put this rivalry on hold if he's going to protect the club from new bullies.
Kenichi learns Kisara and her gang are heading to school to enact revenge on Miu during her stage debut.
Kenichi was determined to protect the drama club's play from Kisara, but the biggest threat may be the club president, Tanimoto.