Yes, Bryan Fuller has left Heroes again.
But star Greg Grunberg has told fans not to worry.
Via Twitter, Grunberg says the writer is "leaving [Heroes] in great hands... the scripts for season 4 and the stories we're about to tell will ROCK YOUR WORLD. BEST. SEASON. EVER."
Meanwhile, Entertainment Weekly reports that the show is casting for an 11-year old actor to play a younger version of Nathan.
How come? You tell us. Sound off now in our Heroes forum!