** Note: This episode contains "Frozen 2" spoilers. Josh Gad, who is back as the lovable snowman, Olaf, in Disney's "Frozen 2," talks with ABC News' Ginger Zee about the growth of his character, and the hilarious recording sessions that help bring him to life. Zee also talks with "Frozen 2's" co-head of animation Becky Bresee, and supervising animator of "Elsa," Wayne Unten about the dizzying array of animated designs that make the film a moving work of art. - A rare behind-the-scenes look at the making of Frozen 2. For the first time, the Oscar-winning filmmakers of Walt Disney Animation Studios are pulling back the curtain, revealing the creative process that brought the next chapter in the Frozen saga to life! And step "Into the Unknown" with songwriters Kristen Anderson-Lopez and Robert Lopez for a sneak peek at Frozen 2's all-new soundtrack. Hosted by Ginger Zee of ABC News. A production of ABC Audio in collaboration with Walt Disney Animation Studios. Loving this series? Tell us with a rating and a quick review: http://bit.ly/2CZNQ4a