Lane Kiffin speaks out for the first time about his midseason decision to leave Ole Miss for rival LSU as the playoffs approach. Lara Spencer reports. | Good Morning America

Ever wondered what it takes to transform into an Avatar? Ginger Zee is taking us inside the making of ‘Avatar: Fire and Ash' as she becomes an Avatar and is even directed by James Cameron himself! | Good Morning America

A CDC vaccine panel is set to vote on changes to the childhood immunization schedule, including removing the recommendation for the hepatitis B vaccine for newborns. Steve Osunsami reports. | Good Morning America