The Arkham Sessions, Episode 44 "Day of the Samurai"

Kyodai Ken has returned and this time, he plans to end Batman's life by discovering a 500-year-old scroll that holds the secret to the "Kiba no Hoko," a fighting style so lethal it can kill Batman with a single touch! This episode of The Arkham Sessions explores Batman's self-concept and how others influence his sense of self.