"Noah" opens nationwide today. But it has already had folks talking including criticism from many who haven't seen it. There's speculation the director Darren aronofsky took dramatic license in... See More
"Noah" opens nationwide today. But it has already had folks talking including criticism from many who haven't seen it. There's speculation the director Darren aronofsky took dramatic license in telling this well-known tale. We'll talk to him about that and a whole lot more. But first here's ABC's Dan Harris. ? Reporter: In order to make a nearly 2 1/2-hour-long movie out of the relatively short story of Noah and ark embedded in the book of again nis, director Darren aronofsky knew he'd have to take some artistic liberties. There's a long, long tradition of looking what is there and trying to figure out and kind of puzzle together what it may have been like and there's a lot of clues. Reporter: He went to great lengths to build a realistic ark but admits that some details like fleshing out the character of Noah's wife mentioned but never heard from in the bible had to be imagined for the film. They're children. They're our children, Noah. Reporter: At its core it's about a family dealing with a difficult task in the face of a world gone Wixted. A story he's been drawn to since age 13. I wrote a poem called "The dove" about Noah and ended up winning a contest with the united nations so sent me down the path of creative writing and storytelling. Reporter: For "Good morning America," Dan Harris, ABC news, New York. I have been looking forward to talking to Darren aronofsky. Good to have you here. Thank you for having me. We heard Dan's piece, age of 13, congratulations on the award that you won for the paper. Thank you. Here is opening night. You've been thinking about this all these years. What are your emotions. It's insane. It's been a 32-year-long journey. The longest one and as a filmmaker, since I made "Pi" my first film I've been thinking about making this so it's been a long journey to see opening day with Russell Crowe and a billboard out in times square kind of blows my mind. He was here earlier in the week talking about it. We had Jennifer Connelly here. Oh, great. And as I told them, watching it with a group of people, not really knowing what to expect and going in with an open mind. Yes. There has been a lot of criticism as you know and paramount put out a disclaimer saying it's inspired by the story of Noah. What is literalism. Does it exist. When you're dealing with something like Noah where everything is a miracle from the deluge to all the animals two by two, everything that happens is a miracle. As soon as you start to interpret it and cast Russell Crowe it's an interpretation but it's about the spirit and the spirit is going back to those four chapters and trying to be very truthful to every single word, every sentence and to bring it to life for a 21st century audience. Talking about bringing it to life, the ark and being truthful, I want to lay a clip here. Here's "Noah." ? This is the part where we're all like this when we're watching it and feel like the flood was coming and the ark itself, the dimensions in the bible. It's one of the most specific things in the bible and gives you the exact cube bit, the measurements, 55 by 75 by 350 and with Hollywood's power and might we were able to build the actual full thing to scale and it's interesting, when you look at, you know, all religious art for the last few thousand years they always do something with the boat and the keel and a houseboat and that was the first thing I pitched him. You won't be standing there with a long white beard and two giraffes but new and fresh. It was huge. Not cgi. This was the real deal. Real deal. And you needed that for this type of film and Russell said how impressed he was when he came in the helicopter over the location and almost wept. With all the miracles you wanted something to ground the arcs because if they were fully on a green screen with everything how do you get that emotion and the emotion was so important to make the film. Darren, at heart it's about family, isn't it? Yeah, I think so. It's about a lot of things, it's about family and survival but it's also about how we all have original sin in us and what are we going to do with this second chance we've been given. We're living the second chance of Noah and a great cautionary tale to look watt ourselves and think of the world we're in today. That's what we did when we watched the film. Great themes. A little bit of everything. There's a bit of everything in the film. Yes. And I hope people will go to it. Please come on out and see it. With an open mind if you do that. Yeah, yeah, yeah. I think they'll be pleasantly surprised. Awe the best to you. Since the age of 13. Now it's here. "Noah" in theaters nationwide today.
This transcript has been automatically generated and may not be 100% accurate.