"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
When Kensei Ma starts acting suspiciously, Kenichi decides to follow him and learn his secrets.
The Shinpaku Alliance is weakened, surrounded, and outnumbered by the Ragnarok gang. When he learns of their plight, Kenichi drops everything to return home. But the young fighter worries if he can reach his friends in time.
Niijima is captured while spying. Miu and a reluctant Kenichi rush to his resuce, but wonder if they're headed into a trap.
As he and Miu try to save Niijima, Kenichi finds himself locked in a fierce battle with Siegfried, who has a reputation for being unbeatable.
Hermit returns for another round against Kenichi, but someone unexpected gets in his way.
Intense training nearly breaks Kenichi and he decides to run away. But when Hermit learns Honoka is Kenichi's sister, Loki takes the girl hostage and lures her brother into a deadly battle to save her.
Honoka has been kidnapped, and Kenichi must take down Hermit to rescue her. Then he learns a dark secret from his enemy's past.
Kenichi's battle against Hermit comes to an abrupt halt when Loki puts a knife to Honoka's throat. With his sister's life on the line, Kenichi finds himself rendered helpless.
Hermit can't abide Loki's threats against Honoka, and saves the girl by betraying Ragnarok. But nothing can stop his quest for revenge against Kenichi, and their battle rages anew.
Kensei Ma's tough-as-nails daughter, Renka, arrives at the dojo. But when her feelings for Kenichi become apparent, Miu gets jealous.
Kenichi learns about a Ragnarok's secret lair and, tired of waiting for the next attack from his enemies, decides to take matters into his own hands.
Kisara's soft spot for kittens may be her undoing as she teams with enemies to help a feline in need.
Kenichi learns he and an enemy are connected by a shared past.
Despite their common past, Odin refuses to let Kenichi escape without a fight. Meanwhile Niijima attempts to get Hermit into the Shinpaku Alliance.
The Elder agrees to train Kenichi personally if the young fighter can survive a treacherous test. Meanwhile Niijima receives unexpected help.
When his training in the mountains puts him in peril, Kenichi is rescued by a mysterious stranger. He soon discovers this stranger may hold the key to his destiny.
While Kenichi trains with the Elder, the Ragnarok leaders make a move back home.
Chaos reigns as simultaneous battles put everyone in danger. Niijima, Kisara, and Miu go to combat with their deadliest foes.
The Shinpaku Alliance is weakened, surrounded, and outnumbered by the Ragnarok gang. When he learns of their plight, Kenichi drops everything to return home. But the young fighter worries if he can reach his friends in time.
Kenichi arrives to help his friends. But before he can take on his biggest enemy, Hermit steps in.
It's the fight everyone has been waiting for: Kenichi versus Odin. But when the dojo's disciple starts to gain the upper hand, the First Fist of Ragnarok reveals an incredible and terrible power.
Kenichi is defenseless now that Odin can predict his every move. So instead of fighting his way, Kenichi decides to imitate the styles of his masters. Can his clever imitations keep Odin at bay?
Kenichi's strategy is working against Odin, but then the Ragnarok leader turns to a new fearsome power that may destroy both of them.