Transcript for Secrets revealed about final 'Star Wars' film
This is your fight. Back now with exclusive details on the new "Star wars," the teaser trailer. Nice job there Justin behind the camera with the -- the movement he did there. "The rise of Skywalker," viewed more than 20 million times online. Paula Faris sat down with two of the main players behind the highly anticipated film. We have passed on all we know. Reporter: This morning, the force is back and stronger than ever. The ninth and final film of the "Star wars" saga will be called "Star wars: The rise of Skywalker." The teaser raking up nearly 20 million views on YouTube. We will always be with you. Reporter: And this final film drawing inspiration from those who first brought us to a galaxy far, far away, including creator George Lucas. You know, we met with George and Ryan and talked with Larry. This was a lot of -- of thinking and trying not to overthink, but really considering what it meant. Reporter: Fans are digging for clues and buzzing about what to expect from director J.J. Abrams who returns after "Star wars: The force awakens." Why have you kept this one shrouded in secrecy? There was a series of "Star wars" that came out pretty close behind this one, and we didn't want to feel like we were getting lost in that. We felt like it was kind of better to wait until the right moment. Reporter: You almost didn't take the gig. Why? Well, the truth is when Kathleen Kennedy called to ask if I was interested to come on and direct episode nine, I was surprised how emotional I was about it. I didn't know I was going to want to help bring to a close this thing that we started with episode seven that was obviously a continuation of what George created. It was a visceral reaction of -- it was too good of an opportunity to refuse. Reporter: Also returning to episode nine is princess Leia. A role made famous by actress Carrie fisher who died suddenly in December of 2016. The film makers are using previously unreleased footage to keep her role alive. I noticed the challenges of wanting to continue her story and her legacy and just as you said, you felt her presence. You felt she was very much alive, but how much material were you working with? When we first started working on the story, we realized immediately we could not tell the story without her. There had been a number of scenes we had filmed and not used for episode seven, and I compiled the footage and watched it, and it was like finding this impossible answer to an impossible question. We could tell her story with these pieces that she had shot. When she is in the movie, it's she's in the film. She's performing these scenes. Reporter: The film's producer, Kathy Kennedy is one of the few that's read the entire script. Can you give me a word to sum it Hope. Hope? This is the epitome of good versus evil, and there is a lot of conflict in this movie, but I think where it goes and what the resolution is is very hopeful. There is a lot of pressure on this particular episode. This is the climax. Do you think it will live up to the hype? I think it will absolutely live up to the hype. I think we have all poured our heart and soul into making sure it lives up to the hype. I think the story's pretty great. Reporter: For "Good morning America," Paula Faris, ABC news, Chicago. "Star wars: The rise of Skywalker" hits theaters December 20th.
This transcript has been automatically generated and may not be 100% accurate.