That evening, Hiroshi's precious computer went missing, and Matenro appears before him and his friends. Matenro says, "If you want me to return your computer, accept my challenge." The challenge leads the children to form their own detective squad called HadoGumi.
The series ran for a total of 50 episodes, and the group has subbed five episodes thus far. You can download the first batch by clicking the links found below. For more updates, follow their official blog or their official Twitter account.