"Lilo & Stitch" is officially a hit, and fans are getting a behind-the-scenes look at how the voice behind the chaos comes to life.

Chris Sanders, who also co-wrote and co-directed the 2002 animated classic, returns more than two decades later to voice the beloved alien, "Stitch" in Disney's latest blockbuster.

"I'm always nervous about the endurance of my voice," he says, motioning downward to show how "after about two hours, it begins to..." his hand dips, mimicking the cracks and squeaks that start to sneak in.

Stitch has been a fan favorite for more than 20 years, something Sanders still finds surreal. "I could not have predicted that Stitch would be embraced by people the way he has," he says. "I'm gonna do this voice for as long as I possibly can. It's just really fun."

The live

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