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Prison Break:  season 5 alternate ending and season six talk

Warning: Spoilers ahead for the Prison Break season finale

Did Michael Scofield get his happily ever after? "Depends on your definition of 'happy,'" Miller writes in an email to ET. "Is he reunited with his loved ones? Yes. Is he at peace? With everything he's done and the man he's become? I don't know. That might not be available to him. Not after what he's been through."

"He's been living a nightmare, for years, and now he's back — back from the dead. He's reunited with his loved ones, but I think he would be haunted for a long time. I think there'd be paranoia, insomnia, anxiety... maybe a lingering taste for darker things, illegal things. If there are new stories to tell, we could probably start there: with Michael's not-so-smooth re-entry into civilian life."

“The other thing was, on the page, we had a slightly different ending,” show’s creator Paul Scheuring revealed. “With Sara saying, 'It's okay, you don't have to look over your shoulder anymore.' And that's exactly what he does; he looks over his shoulder, having experienced what he experienced and the history that he has. And implicit with that is there is probably something out there that will tap him on the shoulder again. That didn't end up getting shot like that. But that's one of those alternate endings that may be interesting to fans. The idea was he may have a life again, but there will always be something out there.

One key element that seemed to be missing was a final moment between Michael and Sara. "The whole episode was too fast really for them to sit down and commiserate," Scheuring explains, elaborating on why that scene with the couple never came to pass in the finale. "There’s plenty of time to do that after the season, so it was really a function of momentum.”

Even so, Miller and Scheuring agree that Michael and Sara's relationship, as well as being parents together for the first time, will be intact -- and it's going to take an outside force to threaten that for good.

"Absent. Til this point," Miller writes, in reference to Michael as a father. "Michael's been a kick-ass brother but as a father, he's a blank slate. But I think he'll get the hang of it. Eventually. Then one day his son will come to him and he'll be like, 'Dad? Can I get a tattoo?' I'd love to see the look on Michael's face."

“Michael at once is a lone wolf and he’s a guy who has his own agenda, but to become a part of a family unit, that doesn’t fly so well. You have to be there. He’s an extraordinarily loyal guy, as evidenced by the lengths he goes to get his brother out of prison. You can only imagine that he would be equally loyal to his son. Perhaps you’re finding some subject matter for what the plot of season six is," Scheuring says. “There’s no way in hell, going forward, that Michael will step out on his kid or Sara on his own volition. Something will have to come between them."

As for whether there's a chance Prison Break could return for a sixth season, Scheuring wouldn't commit. "Right now we don’t have another story. It’s really hard to come up with a new, original prison story because [of] the conceit -- on some level, we have to break out of prison. There’s a desire on a lot of different participants’ parts, but until that idea comes, there is no season six.”