Tim Kring the creator has said of season 2

"We took too long to get to the big-picture story, The audience wanted adrenaline. We made a mistake."

and regarding Hiro going back in time

""It should have lasted three episodes. We didn't give the audience enough story to justify the time we allotted it.""

Giving clair a romance story

"I've seen more convincing romances on TV, In retrospect, I don't think romance is a natural fit for us."

So even he thinks it could of been better. Chapter 2 is set to end in a couple of weeks, after the break when it was due to return in the new year it would of started with Chapter 3. But with the strike going on at the moment it may be it until next september

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