'Frozen's' susunod Chapter: Anna, Elsa Take to the Ice 

\'Frozen\'s\' Next Chapter: Anna, Elsa Take to the Ice

Disney\'s "Frozen," now the top-grossing animated film of all time, is being turned into a live ice show.

Watch: \'Frozen\' Characters Come to Life in the Recording Studio

Transcript for \'Frozen\'s\' Next Chapter: Anna, Elsa Take to the Ice

The hit movie "Frozen" has turned into a merchandising bow unanimous is a. They are making toys, dolls, wedding dresses, even cans of soup, apparently. So, what\'s the next logical brand extension? An... See More

The hit movie "Frozen" has turned into a merchandising bow unanimous is a. They are making toys, dolls, wedding dresses, even cans of soup, apparently. So, what\'s the next logical brand extension? An ice show, of course. Here\'s ABC\'s gio Benitez. Reporter: You might think these people are waiting in line for a new iPhone 6. But look again. This is the Disney store. And these parents are here to buy anything and everything "Frozen." A new shipment of domes, dresses and toys gham overnight. And word quickly spread. ? Let it go ? ? let it go ? Reporter: "Frozen" just won\'t let audiences go. The movie from our parent company Disney is now the top-grossing animated film of all time. Here? Are you sure? Reporter: The animated tale about two fearless royal sisters has snowballed from a surprise hit to a cultural phenomenon to a megafranchise. In the works, a Broadway show. Theme park ride. A new animated short. And unveiled just today, an elsa-inspired wedding dress. ? Let it go ? ? let it go ? Reporter: So, no surprise Disney took the leap from the movie screen to the ice rink. I joined up with the new touring ice show on a recent stop in Providence, Rhode Island. The stadium was filled to capacity. Mini elsas and Anas, eager to be transported to the fan tas call land. How many times have you watched it? Ten times. I think it\'s more than that. 100. Is everyone excited? Reporter: The challenge for frozen on ice, recreating the intangible magic of the film, including that snowy landscape. We have all the special effects, like the -- Reporter: Right here. Patty Vincent took on the challenge. We needed snow. So, we have a lot of snow. This is one of our blizzards and it really -- you can really feel it. Reporter: Yeah. It\'s kind of like a soapy -- it is soap. Jimmy: It is. It\'s something that we had to get used to as it does get a little slippery on the ice which becomes a little bit of a challenge for the skater, but we love it. Reporter: Taylor leads the cast as a spunky princess Ana and Becky plays queen Elsa. When you went out to look for the skaters, to play these parts, what were you looking for? It\'s tricky. Because not only do they have to look like the character, we look for certain skating types and abilities. Reporter: In real life, the two skaters are former foes. They both vied for ai@dational title as competitive skaters. Now, they\'re reuniting on the ice, playing sisters. This really is a totally different world than that. Now you have -- you are acting while you\'re skating. Yeah. Reporter: It was a whole other skill set. Yeah, it\'s pretty different. No one\'s judging you, giving you this mark and that mark. It\'s little kids dressed up as you, wanting to wave and say hi. Reporter: They generously offered to teach me a few of their moves from the show. Okay. This is my second time ever on an ice rink. Ready? And go. Reporter: When you are doing this, I mean, it just looks so easy and it\'s just -- this is an extreme skill, it takes a lot of strength, a lot of focus, right? Oh, oh. Yay! Reporter: Kind of. But of course, I don\'t have to skate in elaborate costumes like the performers. These are heavy. Yes. They are. Reporter: Is it hard to skate with something like this on? It is. It takes a lot of practice. The rotation, when we\'re spinning, if you have a heavy skirt, the rotation really limits you and it throws you a off. Reporter: The show is now selling out stadiums across the country. What\'s the most exciting part of all of this for you? Always about the audience. I said to the skaters on opening night, I just wanted to be them for that night because I can\'t even imagine what it must feel like to go out there and have, you know, 9,000 to 12 thougs screaming fans all clamoring to see you perform. ? Do you want to build a snowman ? ? or ride a bike around the halls ? Reporter: Frozen\'s music has bols earled the movie\'s success. The soundtrack has been on the billboard charts for the last 44 weeks. A cultural phenomenon. Lots of little kids are singing the songs over and over and over again and they are playing pretend and pretending they are Elsa or Ana. That\'s the kind of thing that goes beyond box office success. Reporter: The smash success has Disney racing to meet demand, especially those hard to find queen Elsa dresses. At one point, they were only available through a lottery. And limited edition dolls are even listed on Ebay for upwards of $5,000. "Frozen" is now poised to join the cannon of Disney classics like "The lion king" which came out 20 years ago. We\'re pals right? Right. Really ties back to the great musicals of the \'90s that parents enjoyed. It brings back that spirit. Reporter: And there are no signs yet of "Frozen" fatigue. With Halloween and Christmas around the corner, the demand will continue to grow. And for those who still can\'t get their fill, Ana and Elsa come to storybrooke on this season of ABC\'s "Once upon a time." Reporter: The premiere hosted its highest ratings in two years. Because people love these girls so much from the movie, I think they\'re just excited to get to hang out with them a bit more. Reporter: And it could be the love for Ana and Elsa, their sisterly bond and their message of empowerment that is ultimately driving the success of the franchise. I guess it\'s, you know, just that relationship with the two sisters that was so powerful. I think a lot of people can relate to it. Because it\'s an incredible bond. Sister hood is an incredible bond. Reporter: It\'s clear this animated tale won\'t let go of audiences heartstrings any time soon. For "Nightline," I\'m gio Benitez

This transcript has been automatically generated and may not be 100% accurate.

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