Dwayne Johnson takes TODAY inside ‘The Titan Games’

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Dwayne “The Rock” Johnson is one of the biggest movie stars on the planet, and now he’s turning his attention to television for NBC’s “The Titan Games.” So what do you get when you combine medieval-like physical challenges, passionate competitors and The Rock? TODAY correspondent Natalie Morales went to find out. "The Titan Games" premieres on NBC January 3.