Masi Oka, who plays the time-traveling hero Hiro Nakamura on NBC's Heroes, told reporters that the show has weathered its problems and will return to its roots with the upcoming volume entitled "Fugitives." Oka spoke to journalists during a conference call yesterday. During the conversation, the actor addressed the show's problems and creator-producer Tim Kring's solutions, previewed the upcoming "Fugitives" arc and discussed the departure of writer-producers Jesse Alexander and Jeph Loeb and the return of writer-producer Bryan Fuller.