"Kubo's Mystery" is the eighth episode from the animated series, Shuriken School. It was aired on October 8, 2006.
Kubo has been so terribly boring lately that no one can listen to his classes. If this continues, the kids will end up a year behind. Our three heroes decide to intervene. They want to find out why is so deadly boring. They follow him, and learn that Kubo not only has a very boring life, but that he mutters the same name in his sleep every night, “Torofi”. They set off to discover the identity of this mysterious Torofi, travelling back into Kubo’s past. They learn about an old feud between Kubo and his sister.
Shuriken School Students